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2026 Kumamoto earthquake

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2026 Kumamoto earthquake
USGS ShakeMap
2026 Kumamoto earthquake is located in Japan
2026 Kumamoto earthquake
Location within Japan
UTC time
  • 2026-07-28 07:27:15
ISC event
USGS-ANSS
Local date
  • 28 July 2026 (2026-07-28)
Local time
Duration16 seconds
Magnitude
Depth
  • 10 km (6.2 mi)
Epicenter32°40′55″N 130°43′19″E / 32.682°N 130.722°E / 32.682; 130.722
FaultHinagu Fault
TypeStrike-slip
Areas affectedKumamoto, Nagasaki, Kagoshima, Ōita and Fukuoka Prefectures, Japan
Max. intensityJMA 7 (MMI IX)
Peak acceleration1.7 g
Peak velocity94.26 cm (3.093 ft)/s
Casualties36 deaths, 142 injuries
Map of the Futagawa-Hinagu fault zone, showing the location of the July 28 mainshock and the largest aftershock. The foreshock and mainshock of the April 2016 sequence are also shown

On 28 July 2026 at approximately 16:27:15 JST (07:27:15 UTC), an earthquake struck Kumamoto Prefecture in southern Japan with a magnitude of Mww 6.8 (MJMA 7.1) at a depth of 10 km (6.2 mi).[1][2] At least 36 people were killed and dozens more were injured.

The Japan Meteorological Agency (JMA) has officially named the earthquake the 2026 Kumamoto earthquake (Japanese: 令和8年熊本地震, Hepburn: Reiwa 8-nen Kumamoto jishin).[3]

Earthquake

[edit]

The earthquake occurred at 07:27 UTC on 28 July in Kumamoto Prefecture, Japan. According to the Japan Meteorological Agency (JMA), the earthquake had a magnitude of MJMA 7.1.[4] The United States Geological Survey (USGS) recorded an earthquake of Mww 6.8 with an epicenter 5 km (3.1 mi) east of the city of Uto. It was caused by strike‑slip faulting. The USGS focal mechanism solution suggested coseismic slip occurred on either a northwest-trending left‑lateral fault or a northeast-trending right‑lateral fault.[1]

Geology

[edit]

Kumamoto Prefecture is located on Kyushu, the most southerly of Japan's four main islands. It lies at the southern end of the Japan Median Tectonic Line, Japan's longest, where a system of active faults forks in two directions at the Beppu-Haneyama fault zone.[5] Earthquakes occur along the Beppu–Shimabara graben,[6] with epicenters moving from west to east over time.[7] To the southeast of Kumamoto, the continuation of the Japan Median Tectonic Line is a major southwest–northeast trending strike-slip of the Futagawa-Hinagu fault zone system, consisting of the Hinagu fault to the south and the Futugawa fault to the north, parts of which ruptured during the 2016 Kumamoto earthquakes.[8]

The Hinagu fault is 80 km (50 mi) long and can be divided into three segments; Takano-Shiraha, Hinagu and Yatsushiro. According to Shinji Tōda, a scientist at Tohoku University, the earthquake was caused by slip on the a section of the northeastern Hinagu segment. Tōda added that while the rupture relieved seismic strain on that segments, it loaded additional strain on adjacent ones. The Takano-Shirahata segment was previously involved in the 2016 Kumamoto earthquakes, hence the likelihood of another rupture on this segment remained low. However, the Yatsushiro and southwestern Hinagu segments which lie further south and also in the Yatsushiro Sea have a greater probability of rupturing, capable of producing a MJMA 7.3 event and tsunami.[9]

Similarly, the 2016 earthquakes which occurred on the northern segment of the Hinagu fault likely increased stress on its southern segments.[10][11] The 2016 earthquakes caused 0.6 m (2 ft 0 in) of slip on the northern Hinagu fault while during the 2026 earthquake, it produced 0.2 m (7.9 in) slip.[12] Prior to 2026, the Hinagu fault was identified as a potential source of large earthquakes. A national seismic hazard assessment report published in January 2026 identified the Hinagu segment as having a 6% probabilty of rupturing within the next 30 years; the greatest probability among all faults in the country.[13]

The USGS modelled an earthquake with slip across a 45 km (28 mi) long northeast-trending fault, extending down to 20 km (12 mi) depth. According to the model, the rupture propagated bilaterally, extending northeast and southwest from the epicenter and was completed in about 18 seconds. Slip extended about 10 km (6.2 mi) northeast of the epicenter and 35 km (22 mi) southwest, although most was confined to a 20 by 15 km (12.4 by 9.3 mi) area on the fault plane immediately southwest of the epicenter. A maximum slip of 2.40 m (7 ft 10 in) was inferred at a depth of about 5 km (3.1 mi) in this region of large slip beneath Uki. Towards the surface, the displacement was limited, ranging from negligible to about 0.1 m (3.9 in) along most of its length while peaking at 1.37 m (4 ft 6 in) at the shallowest portion of the main slip patch.[1]

Seismic intensity

[edit]

A maximum intensity of 7 on the Japan Meteorological Agency seismic intensity scale was recorded in Uki and Hikawa, the highest on the scale.[4] Intensity 6+ was recorded in Minami-ku, Yatsushiro, Uto, Misato, and Mashiki.[14] Aftershocks up to intensity 5- on the JMA seismic intensity scale were also felt.[15] According to the USGS, a seismic station in Mashiki recorded a peak ground acceleration of 0.705 g, while another station in Yatsushiro recorded a peak ground velocity of 94.26 cm (3.093 ft)/s.[16] Japan's strong-motion seismograph network recorded a peak acceleration value of about 1.7 g.[17] The Japan Meteorological Agency and Earthquake Research Headquarters said it recorded a peak ground acceleration of 2,437 gals in Toyono, Uki; this value exceeds the maximum recorded acceleration of 1,791 gals during the 2016 earthquake.[18]

Tremors were also felt in parts of South Korea, with more than 789 reports of the tremor being received, including 291 in Busan alone.[19] The Korea Meteorological Administration reported a Modified Mercalli intensity of III (Weak) in Busan, South Gyeongsang Province, South Jeolla Province, Gwangju, and Jeju Province. Intensity II (Weak) was observed in Gangwon, Gyeonggi, North Gyeongsang Province, Daegu, Ulsan, North Jeolla Province, South Chungcheong Province, and North Chungcheong Province.[20] In China, residents in Shanghai said they felt tremors, while multiple people in Ningbo and Suzhou reported feeling disoriented.[21]

Locations with a seismic intensity of Shindo 5− and higher[4]
Intensity Prefecture Locations
7 Kumamoto Uki, Hikawa
6+ Kumamoto Kumamoto City (Minami-ku), Yatsushiro, Uto, Misato, Mashiki
6− Kumamoto Koshi, Ōzu, Nishihara, Mifune, Kamiamakusa, Ashikita
5+ Kumamoto Kumamoto City (Chūō, Higashi, Nishi, Kita), Yamaga, Kikuchi, Kikuyō, Minamata, Amakusa, Tsunagi
Nagasaki Minamishimabara
Kagoshima Satsumasendai, Satsuma, Nagashima
5− Kumamoto Tamana, Nagomi, Yamato, Reihoku, Aso, Takamori, Minamiaso, Hitoyoshi, Taragi, Yunomae, Yamae, Asagiri
Nagasaki Unzen, Isahaya
Kagoshima Akune, Izumi, Ichikikushikino, Isa, Yusui
Saga Kanzaki, Shiroishi
Fukuoka Yanagawa, Okawa
Miyazaki Nobeoka, Saito, Shiiba

Long period ground motion

[edit]

The JMA also reported that the Kumamoto Region of Kumamoto Prefecture registered the highest possible Long Period Ground Motion (LPGM) intensity of 4.

Locations with LPGM Class of II or higher observed[22]
Class Prefecture Locations
IV Kumamoto Kumamoto Region
III Kumamoto Amakusa and Ashikita
II Kumamoto Aso Region, Kuma Region
Oita Western Oita
Miyazaki Southern Miyazaki Mountains, Northern Miyazaki Plains
Kagoshima Satsuma Region
Saga Southern Saga

Aftershocks

[edit]
Scatter plot showing earthquake magnitude versus occurrence time for earthquakes observed in Kumamoto Prefecture, Japan, between 28 July 2026 and 31 July 2026

At least 259 aftershocks were recorded following the earthquake.[23] The JMA warned of the possible occurrence of earthquakes with a maximum seismic intensity of 7 for the next two to three days following the initial tremor.[24]

A list of major earthquakes that occurred in the vicinity of the epicenter following the mainshock (including the mainshock itself).

Date and time of occurrence (JST) Epicenter Depth of the earthquake's hypocenter Magnitude Maximum seismic intensity Maximum class of long-period ground motion Ref.
16:27, July 28, 2026 Kumamoto Region, Kumamoto Prefecture 16km M 7.1 7 Ⅳ [25][26][27]
16:29, July 28, 2026 Kumamoto Region, Kumamoto Prefecture Very shallow M 4.5 5− Ⅱ [28][29]
17:08, July 28, 2026 Amakusa and Ashikita regions, Kumamoto Prefecture Very shallow M 6.1 5− II [30][31]
19:03, July 28, 2026 Kumamoto Region, Kumamoto Prefecture 10km M 4.2 5− No observations [32][33]
22:19, July 29, 2026 Amakusa and Ashikita regions, Kumamoto Prefecture Very shallow M 5.8 5− I [34]
21:47, August 1, 2026 Kumamoto Region, Kumamoto Prefecture 10km M 4.7 5− No observations [35]

Ground effects

[edit]

Ground deformation was reported by the Geospatial Information Authority of Japan. In Yatsushiro, the Sencho geographic reference point was displaced 0.84 m (2 ft 9 in) northeast, and the Izumi station recorded a 0.17 m (6.7 in) shift southward. In Kumamoto, the Jonan station recorded 0.4 m (1 ft 4 in) of displacement to the north.[36] Surface ruptures were also reported on the ground surface caused by fault slip.[37]

Slip towards the ground surface along the Hinagu Fault caused ruptures that damaged overlying infrastructure such as roads, bridges, and buildings.[38] Satellite imagery analysis by NHK revealed 10 km (6.2 mi) of visible surface rupturing between Hikawa and Yatsushiro. Geologist Shinji Toda from Tohoku University said these ruptures only represented where the rupture breached the surface; for a significant portion of its length, the rupture did not reach the surface. An inference of crustal deformation data suggests a rupture length closer to 30 km (19 mi).[39] At Takaki, Mifune, surface ruptures were also reported after the 2016 earthquakes. In Ogawa, Uki, fault slip caused vertical ground displacement through an urbanized area. A surface rupture propagated under a viaduct near the junction of the Kyushu and South Kyushu expressways, breaking along a column and causing one side to drop vertically.[40] At a parking lot in Mifune, the ground shifted laterally to the right by 0.2 m (7.9 in) and caused a bulge.[38]

Impact

[edit]
Rescuers searching the rubble of the partially-collapsed Aeon Mall Kumamoto in Kashima
Japan Self-Defense Forces (JSDF) personnel inspecting a collapsed house

Officials from Kumamoto Prefecture said that 36 deaths were recorded.[41][42] Among the dead were 20 in Yatsushiro, 7 in Kashima, 4 in Hikawa, 2 in Uki and 1 in Kōsa. A total of 142 people were injured; 139 in Kumamoto and three more in Fukuoka, Kagoshima and Ōita prefectures. Eleven of those injured were in serious condition. Across Kyushu, 181 homes collapsed, 245 others were partially destroyed, and 1,419 were damaged in Kumamoto, while eight additional homes were damaged in Fukuoka.[43] Around 10,000 people were displaced.[44]

The second floor of Aeon Mall Kumamoto in Kashima collapsed,[45] followed by an explosion.[46][47] Rescuers retrieved seven bodies and five survivors from the wreckage.[48] A person inside a pub 300 m (980 ft) from the mall said he heard an explosion after the earthquake and saw a large cloud of smoke rising above the building.[49] About 55 people were injured in the blast.[50][51][52] The cause of the explosion was not known although a government official told the press that there were reports of a gas leak.[53] The earthquake prompted an evacuation of 3,000 shoppers; after that, employees of the mall returned inside and were later caught in the blast.[54]

In Yatsushiro, the chimney of a factory owned by Nippon Paper Industries collapsed, killing nine people and injuring two.[55] Another person was killed by a collapsed house in the city.[56] The worship hall of the 19th-century Yatsushiro-gū shrine[24] and a section of a bridge also collapsed[57] and fires were reported in the city and in Matsubase. Two residents and a staff member at a nursing home in Hikawa were injured by a collapsed wall.[58] One Vietnamese national died after a crane collapsed on him in Kōsa,[59] and another was injured after a wall collapsed.[60]

At least 179 homes collapsed, and 1,269 others were damaged. All of the damaged houses were in Kumamoto Prefecture, with the exception of eight partially damaged houses in Fukuoka Prefecture.[43] In Hikawa, at least 125 homes and buildings collapsed, and 754 others were damaged.[61] In Uki, parts of the ceiling at Aeon Mall Uki also collapsed,[62] and one person was found dead under a collapsed wall.[63] Five people were initially trapped after two houses collapsed in the city.[64] According to JR Kyushu, a freight train derailed near Yatsushiro Station.[65] At least 12 people sustained arm or leg bruises inside a Kyushu Shinkansen train near Shin-Yatsushiro Station. The agency said there were more than 200 reports of snapped rails and collapsed sound barriers, but no Shinkansen trains derailed.[66] Bent rails were reported at a train depot in Kumamoto and between Matsubase and Ogawa stations on the Kagoshima Main Line.[67]

Landslides were reported on the slopes of Mount Mayuyama facing Shimabara, Nagasaki.[68] At nearby Mount Unzen, the earthquake caused a partial collapse of its lava dome. Authorities responded by saying that there was no indication of a future large-scale collapse at either mountain.[69]

Around 48,300 households in Kumamoto Prefecture lost power.[70] About 30 branches of 7-Eleven lost electricity in the affected areas.[71] Up to 84,000 households were left without water in Kumamoto and Nagasaki prefectures.[72]

Kumamoto Castle, already extensively damaged by the 2016 Kumamoto earthquakes, was reported to have sustained further damage,[65] with stone walls collapsing at some 40 locations.[72] At the time of the earthquake, it was undergoing restoration work expected to be completed in 2052.[73] The walls of several buildings collapsed in Saga Prefecture.[74] A high school student was injured by falling debris at the city hall of Yame, Fukuoka Prefecture.[75] Another person was injured in Ōita Prefecture.[43]

Response

[edit]

A tsunami advisory for waves of 1 m (3 ft 3 in) was issued by the JMA for the coastlines of the Ariake and Yatsushiro seas. However, no tsunami waves were recorded before the advisory was cancelled shortly after.[70][76]

Japanese prime minister Sanae Takaichi said more than 4,600 Japan Self-Defense Forces (SDF) personnel and 480 police officers from 11 prefectures had been deployed to help with rescue efforts, including 170 soldiers deployed at the collapsed Aeon mall.[72] Authorities also issued advice on heatstroke in the area as temperatures reached 35 °C (95 °F). Defence Minister Shinjirō Koizumi said about 300 air conditioning units would be sent to the worst-hit areas.[24] Some 230 members of the Hyogo Prefectural Police began a thorough search of Aeon Mall, where an explosion occurred, to look for possible people still trapped on 31 July. The Kumamoto Prefectural Police said on 30 July that all known individuals trapped in the building had been rescued dead or alive.[77] These operations ended on 1 August after they determined that no persons were in the building.[78] The Kagoshima Prefecture Emergency Fire Rescue Team and Kumamoto Prefectural Police conducted search and rescue operations at the Nippon Paper Industries;[79] all 11 people trapped were recovered by 31 July.[55] Rescue operations also occurred in Yatsushiro, where 32 homes collapsed, to find 4 missing people.[79]

Search and rescue were hampered by a heatwave which has raised air temperatures in the prefecture to 35 °C (95 °F). Officials instructed those participating in rescue and cleanup efforts to take breaks.[80] The extreme heat also prompted the SDF to airlift air coolers for 400 evacuation centers where some 15,000 were taking refuge.[54] The earthquake also disrupted water supply to 58,000 homes, prompting authorities to take measures. Warnings were issued for temperatures potentially reaching 40 °C (104 °F) over the weekend. In Yatsushiro, mobile toilets were installed over manholes, while SDF trucks carried water tanks into schools and community centres supplied by emergency reservoirs beneath city hall. Each resident was also limited to a supply of 3 litres (100 US fl oz).[81] Disabled gas stations also further worsened the condition by making deliveries difficult. Some displaced people who decided to live in their cars also experienced difficulties in maintaining their air conditioning due to the fuel shortage.[82]

Some transport lines were disrupted. Several sections of the Kyushu Expressway were closed to traffic.[83] The runway at Kumamoto Airport was closed for inspections on 28 July and was declared safe at 19:00 JST. All domestic flights to and from the airport on the day were cancelled.[84] Operations gradually resumed the following day for international flights,[85] but some domestic flights remained cancelled.[84]

JR Kyushu suspended services on all of its rail lines, including the Kyushu Shinkansen and local trains.[76][2] The Minamiaso Railway and Kumamoto Electric Railway also suspended service on their lines.[65] The Kyushu Shinkansen resumed operations between Hakata and Chikugo-Funagoya in Fukuoka Prefecture after 18:00 JST on 29 July.[66] Trains resumed operating between Chikugo-Funagoya and Kumamoto on the morning of 31 July, while services between Kumamoto and Kagoshima-Chuo remained closed.[86] JR Kyushu said that due to heavy railroad damage, services between Kumamoto and Shin-Minamata stations of the Kyushu Shinkansen is unlikely to reopen in August. Similarly, on the Kagoshima Main Line, extensive equipment damage between Uto and Yatsushiro also made an August reopening difficult.[87]

Kyushu Electric Power reported no abnormalities at the Sendai and Genkai nuclear power plants in adjacent prefectures.[15][88] While the earthquake disrupted power to thousands of homes, it was fully restored by 31 July.[82]

Several industries also shut down following the earthquake and subsequent logistical issues. Sony indefinitely halted operations at its semiconductor plant in Kikuyo, as did Renesas Electronics and Tokyo Electron at their facilities in Kumamoto Prefecture. Toyota suspended operations at three plants in Fukuoka Prefecture from 29 to 31 July, citing logistical issues and conditions at suppliers. Honda also halted operations at its factory in Ozu until 31 July, while Nissan partially suspended operations at two plants in Fukuoka Prefecture from 30 July due to delays in parts supplies. Japan Post Holdings suspended services at post offices across Kumamoto Prefecture. Yamato Transport also suspended package handling, while Sagawa Express suspended parcel collection and delivery services in some areas.[89]

International response

[edit]

See also

[edit]

References

[edit]
  1. 1 2 3 ANSS. "M 6.8 – 5 km E of Uto, Japan 2026". Comprehensive Catalog. U.S. Geological Survey.
  2. 1 2 Okutsu, Akane. "7.1 magnitude quake rocks Japan's Kumamoto prefecture". Nikkei Asia. Archived from the original on 28 July 2026. Retrieved 28 July 2026.
  3. ↑ "「令和8年熊本地震」と命名 気象庁". mainichi.jp (in Japanese). Retrieved 28 July 2026.
  4. 1 2 3 "Earthquake information : Detail information". Japan Meteorological Agency. Retrieved 28 July 2026.
  5. ↑ "Unusual quake cluster worries Japan – Nikkei Asian Review". asia.nikkei.com. Archived from the original on 19 April 2016. Retrieved 12 January 2022.
  6. ↑ "Kyushu". Introduction to the Landforms and Geology of Japan. GLGArcs. Archived from the original on 10 April 2016. Retrieved 16 April 2016.
  7. ↑ "Seismic activity could move east, trigger quakes in active faults". The Asahi Shimbun. The Asahi Shimbun Company. Archived from the original on 17 April 2016. Retrieved 16 April 2016.
  8. ↑ Hallo, M.; Asano, K.; Gallovič, F. (2017). "Bayesian inference and interpretation of centroid moment tensors of the 2016 Kumamoto earthquake sequence, Kyushu, Japan". Earth, Planets and Space. 69 (1) 134. Bibcode:2017EP&S...69..134H. doi:10.1186/s40623-017-0721-4.
  9. ↑ "周辺の活断層に"ひずみ"加わった可能性 専門家が分析" [Experts analyze that "strain" may have been added to surrounding active faults] (in Japanese). NHK One. 1 August 2026. Retrieved 1 August 2026.
  10. ↑ "専門家「日奈久断層帯の南部分が動いた可能性」" [Experts suggest "the southern part of the Hinagu fault zone may have moved."] (in Japanese). NHK One. 28 July 2026. Retrieved 28 July 2026.
  11. ↑ "10年前から警戒されていた活断層、熊本の「日奈久断層帯」とは？：朝日新聞". 朝日新聞 (in Japanese). 28 July 2026. Retrieved 28 July 2026.
  12. ↑ "10年前の活断層、再び動く　広島大教授らが現地調査" [Active fault that was active 10 years ago is moving again: Hiroshima University professors conduct on-site investigation] (in Japanese). Kyodo News. 29 July 2026. Retrieved 1 August 2026.
  13. ↑ "熊本で震度７、１０年前の「割れ残り」断層がずれて発生か…専門家「前震の後に本震が来る可能性に注意」" [A magnitude 7 earthquake struck Kumamoto; it may have been caused by a shift in a fault line that remained ruptured 10 years ago. Experts warn, "Be aware of the possibility of a main shock following a foreshock."] (in Japanese). The Yomiuri Shimbun. 29 July 2026. Retrieved 1 August 2026.
  14. ↑ "熊本県で最大震度7の強い地震 熊本県・宇城市、氷川町" [A strong earthquake with a maximum seismic intensity of 7 struck Kumamoto Prefecture, affecting Uki City and Hikawa Town.] (in Japanese). TBS News Dig. 28 July 2026. Archived from the original on 28 July 2026. Retrieved 28 July 2026.
  15. 1 2 "M7.1 earthquake strikes Southern Japan". NHK. 28 July 2026. Archived from the original on 28 July 2026. Retrieved 28 July 2026.
  16. ↑ ANSS. "M 6.8 – 5 km E of Uto, Japan – ShakeMap 2026". Comprehensive Catalog. U.S. Geological Survey.
  17. ↑ "Strong-Motion Seismograph Networks K-NET & KiK-net". National Research Institute for Earth Science and Disaster Resilience. Archived from the original on 16 June 2026. Retrieved 28 July 2026.
  18. ↑ "【独自】『揺れの大きさ』１０年前の熊本地震を大きく上回る 宇城市豊野町【令和８年熊本地震】" [[Exclusive] The magnitude of the shaking far exceeds that of the Kumamoto earthquake 10 years ago in Toyono-cho, Uki City [2026 Kumamoto Earthquake]] (in Japanese). Television Kumamoto. 31 July 2026. Retrieved 31 July 2026.
  19. ↑ Ahn Gwang-ho; Kim Jun-yong; Park Mi-ra (28 July 2026). ""집 전체가 흔들렸다" 일본 규슈 지진에 부산·제주·인천서도 신고···일부 시민들 대피 소동도". Kyunghyang Shinmun (in Korean). Retrieved 28 July 2026.
  20. ↑ Seol-rae-on (28 July 2026). "[속보] 日 진도 7.1 강진 발생⋯규모 6.1 여진까지 이어져" [[Breaking] Magnitude 7.1 Earthquake Strikes Japan... Magnitude 6.1 Aftershock Follows] (in Korean). I-News 24. Retrieved 1 August 2026.
  21. ↑ "熊本7.1級地震︱上海網民稱震感明顯 蘇州頭暈民眾誤以為低血糖" (in Chinese). Sing Tao Daily. 28 July 2026. Retrieved 28 July 2026.
  22. ↑ "気象庁｜長周期地震動の観測結果". www.data.jma.go.jp. Archived from the original on 28 July 2026. Retrieved 28 July 2026.
  23. ↑ "Death toll from Kumamoto quake rises to 30". NHK. 30 July 2026. Retrieved 30 July 2026.
  24. 1 2 3 "More than 100 aftershocks hit Japan after powerful quake that killed 13". BBC News. 29 July 2026. Archived from the original on 29 July 2026. Retrieved 29 July 2026.
  25. ↑ "地震情報 : 詳細情報 2026/07/28 16:35 発表". 気象庁 (in Japanese). 28 July 2026. Retrieved 28 July 2026.
  26. ↑ "【速報】気象庁が震源の深さ16キロに更新". 28 July 2026. Retrieved 28 July 2026 – via 共同通信.
  27. ↑ "長周期地震動の観測結果". Archived from the original on 28 July 2026. Retrieved 28 July 2026.
  28. ↑ "地震情報 : 詳細情報 2026/07/28 16:39 発表". 気象庁 (in Japanese). 28 July 2026. Retrieved 28 July 2026.
  29. ↑ "長周期地震動の観測結果". Retrieved 28 July 2026.
  30. ↑ "地震情報 : 詳細情報 2026/07/28 17:12 発表". 気象庁 (in Japanese). 28 July 2026. Retrieved 28 July 2026.
  31. ↑ "長周期地震動の観測結果". Retrieved 28 July 2026.
  32. ↑ "地震情報 : 詳細情報 2026/07/28 19:06 発表". 気象庁 (in Japanese). 28 July 2026. Archived from the original on 28 July 2026. Retrieved 28 July 2026.
  33. ↑ "長周期地震動の観測結果". Retrieved 28 July 2026.
  34. ↑ "地震情報 : 詳細情報2026/07/29 22:25 発表". 気象庁 (in Japanese). 29 July 2026. Retrieved 29 July 2026.
  35. ↑ "地震情報 : 詳細情報 2026/08/01 21:51 発表". 気象庁 (in Japanese). 1 August 2026. Retrieved 1 August 2026. {{cite web}}: line feed character in |title= at position 12 (help)
  36. ↑ "熊本の地震、八代市で最大84センチの地殻変動 国土地理院の観測で確認" [Kumamoto earthquake: Crustal deformation of up to 84 centimeters confirmed by observations of the Geospatial Information Authority of Japan in Yatsushiro City.] (in Japanese). TV Asahi. 29 July 2026. Archived from the original on 28 July 2026. Retrieved 29 July 2026.
  37. ↑ "【熊本震度7】地表に"地震断層"が出現 高速道路に亀裂 足下に潜む活断層リスク 真夏の「震度7」は初 災害級の暑さで避難ポイントは？" [[Kumamoto Earthquake, Magnitude 7] Earthquake faults appear on the surface; cracks in highways; risk of active faults lurking beneath the ground; first ever magnitude 7 earthquake in midsummer; where are the evacuation points amidst the disaster-level heat?] (in Japanese). TBS News Dig. RCC Broadcasting. 29 July 2026. Retrieved 29 July 2026.
  38. 1 2 "日奈久断層帯が活動か 道路や高架橋に複数か所食い違い" [The Hinagu Fault Zone may be active, causing discrepancies in roads and overpasses in multiple locations.] (in Japanese). NHK One. 29 July 2026. Retrieved 30 July 2026.
  39. ↑ "熊本地震 約10キロの範囲で地表にずれや段差 衛星画像を分析" [Kumamoto Earthquake: Ground displacement and elevation changes within a 10-kilometer radius, according to satellite image analysis.] (in Japanese). NHK One. 30 July 2026. Retrieved 31 July 2026.
  40. ↑ Torii, Masayuki (29 July 2026). "日奈久断層帯沿いに現れた地表地震断層（速報）" [Surface earthquake fault appearing along the Hinagu Fault Zone (Preliminary Report)] (PDF). Japanese Society for Active Fault Studies (in Japanese). Kumamoto University. Retrieved 30 July 2026.
  41. ↑ "【被害状況】熊本地震 関連調査中含め36人死亡 熊本県発表" [[Damage Report] 36 people have died, including those under investigation, in connection with the Kumamoto earthquake, according to Kumamoto Prefecture] (in Japanese). NHK One. 31 July 2026. Retrieved 31 July 2026.
  42. ↑ "【速報】熊本地震の死者は３５人、最高気温４０度の「酷暑日」予想で熱中症に要警戒" [[Breaking News] 35 deaths in Kumamoto earthquake; heatstroke warnings advised as temperatures are expected to reach 40 degrees Celsius ("extreme heat day")] (in Japanese). The Yomiuri Shimbun. 30 July 2026. Retrieved 31 July 2026.
  43. 1 2 3 令和８年熊本地震による被害及び消防機関等の対応状況（第２８報） [Damage caused by the 2026 Kumamoto Earthquake and the response of fire departments and other organizations (Report No. 28)] (PDF). Fire and Disaster Management Agency (Report) (in Japanese). 1 August 2026. Retrieved 1 August 2026.
  44. ↑ "Death toll from M7.1 Kumamoto earthquake rises to 30, search efforts continue". Kyodo News. 30 July 2026. Retrieved 30 July 2026.
  45. ↑ Ami, Miyazaki (30 July 2026). "熊本地震の死者は調査中含め28人、経済活動への影響を注視＝木原官房長官" [Chief Cabinet Secretary Kihara: The death toll from the Kumamoto earthquake, including those under investigation, is 28, and the impact on economic activity is being closely monitored.]. Reuters (in Japanese). Retrieved 30 July 2026.
  46. ↑ "イオンモール熊本で「爆発音」と複数の通報…２階部分が崩落、多数の人が閉じ込められたか" [Multiple reports of an "explosion" at Aeon Mall Kumamoto... The second floor collapsed, and many people are believed to be trapped.] (in Japanese). The Yomiuri Shimbun. 28 July 2026. Archived from the original on 28 July 2026. Retrieved 28 July 2026.
  47. ↑ "【熊本で震度7】嘉島町のイオンモール熊本で大きな被害 「爆発音が聞こえた」" [[Magnitude 7 earthquake in Kumamoto] Severe damage at Aeon Mall Kumamoto in Kashima Town. "An explosion was heard."] (in Japanese). TBS NEWS DIG. 28 July 2026. Retrieved 28 July 2026.
  48. ↑ "イオンモール熊本 7人死亡 5人けが 捜索続く 熊本県" [Seven people died and five were injured at Aeon Mall Kumamoto; search continues in Kumamoto Prefecture] (in Japanese). NHK One. 30 July 2026. Archived from the original on 30 July 2026. Retrieved 30 July 2026.
  49. ↑ "'Considerable number' of people dead, many trapped in shopping mall after magnitude 7.1 quake hits Japan's Kyushu". Channel News Asia. Agence France-Presse. 28 July 2026. Archived from the original on 28 July 2026. Retrieved 28 July 2026.
  50. ↑ "爆発・崩落のイオンモール熊本で2人死亡、1人心肺停止 県が発表". The Asahi Shimbun. 28 July 2026. Archived from the original on 28 July 2026. Retrieved 28 July 2026 – via Yahoo! News Japan.
  51. ↑ "爆発のイオンモールから4人搬送、意識あり" [Four people were taken to the hospital from the Aeon Mall where the explosion occurred; they were conscious.] (in Japanese). Kyodo News. 28 July 2026. Retrieved 28 July 2026 – via Livedoor.
  52. ↑ "Several feared trapped in collapsed shopping mall after 7.1-magnitude earthquake in Japan". WMAQ-TV. 28 July 2026. Retrieved 28 July 2026.
  53. ↑ "イオンモール熊本「ガスが漏れていたとの報告」政権幹部" [Aeon Mall Kumamoto: "Reports indicate gas leak," says government official.] (in Japanese). NHK One. 28 July 2026. Archived from the original on 29 July 2026. Retrieved 29 July 2026.
  54. 1 2 Blair, Gavin (30 July 2026). "Death toll in Japan earthquake rises to 30 as aftershock and heat hamper rescue efforts". The Guardian. Retrieved 31 July 2026.
  55. 1 2 "【速報】熊本県内死者「35人」に 日本製紙は全員の救助完了" [[Breaking News] Death toll in Kumamoto Prefecture reaches 35; Nippon Paper Industries reports all rescued] (in Japanese). Kumamoto Nichinichi Shimbun. 31 July 2026. Retrieved 31 July 2026.
  56. ↑ "熊本・八代市で家屋倒壊 病院搬送の1人が死亡" [House collapses in Yatsushiro City, Kumamoto Prefecture; one person dies after being taken to hospital.] (in Japanese). The Sankei Shimbun. 28 July 2026. Retrieved 28 July 2026.
  57. ↑ "[Aerial Footage] Part of a bridge over the sea appears to have collapsed in Yatsushiro, Kumamoto ..." TBS NEWS DIG. 28 July 2026. Retrieved 28 July 2026.
  58. ↑ "熊本の地震による被害状況 家屋倒壊12件、家屋閉じ込め4件など 警察庁 ※午後5時現在" [Damage situation following the Kumamoto earthquake: 12 houses collapsed, 4 people trapped inside houses, etc. (National Police Agency, as of 5 PM)] (in Japanese). Kab Online. 28 July 2026. Retrieved 28 July 2026.
  59. ↑ "【熊本で震度7】イオンモール熊本"爆発"2人死亡 複数の安否不明など" [[Magnitude 7 earthquake in Kumamoto] Explosion at Aeon Mall Kumamoto leaves 2 dead, several missing] (in Japanese). NTV News24. 29 July 2026. Archived from the original on 29 July 2026. Retrieved 29 July 2026.
  60. ↑ "Một lao động người Việt thiệt mạng trong động đất mạnh 7,1 độ ở Nhật" (in Vietnamese). Tuổi Trẻ. 29 July 2026. Retrieved 29 July 2026.
  61. ↑ "震度7の熊本 氷川町 125棟の家屋全壊 800棟以上被害【30日】" (in Japanese). NHK. 30 July 2026. Archived from the original on 30 July 2026. Retrieved 30 July 2026.
  62. ↑ "熊本・宇城のイオンモール「天井が一部落ちた」「全館で営業停止」" [Aeon Mall in Uki, Kumamoto: "Part of the ceiling collapsed," "The entire mall is closed for business."] (in Japanese). The Sankei Shimbun. 28 July 2026. Archived from the original on 28 July 2026. Retrieved 28 July 2026.
  63. ↑ "休業中の商業施設で心肺停止の状態で男性を救助　崩落した壁の下敷きになったか　熊本・宇城市【中継】" [A man was rescued in cardiac arrest at a closed commercial facility in Uki City, Kumamoto Prefecture. He may have been trapped under a collapsed wall. [Live Report]] (in Japanese). Nippon Television Network. 1 August 2026. Retrieved 1 August 2026.
  64. ↑ "震度7 熊本 宇城の住宅倒壊 "住人家族4人と連絡とれず"警察". NHK (in Japanese). 28 July 2026. Retrieved 28 July 2026.
  65. 1 2 3 4 "【更新中】「10年前より揺れた」熊本で震度7 熊本城の"石垣が崩れた"情報も 宇城市では火事が発生 津波注意報は解除" [[Live Updates] 'It shook more than 10 years ago': Magnitude 7 earthquake in Kumamoto; reports of 'stone walls collapsing' at Kumamoto Castle; fire breaks out in Uki City; tsunami warning lifted.] (in Japanese). TV Asahi. 28 July 2026. Retrieved 28 July 2026.
  66. 1 2 "九州新幹線 レール破断など200か所以上の被害を確認 JR九州" [JR Kyushu confirms damage at over 200 locations, including broken rails, on the Kyushu Shinkansen line.] (in Japanese). NHK One. 29 July 2026. Retrieved 30 July 2026.
  67. ↑ "地震の揺れの影響とみられる線路の変形を確認 国交省" [Ministry of Land, Infrastructure, Transport and Tourism confirms deformation of railway tracks, believed to be caused by earthquake tremors.] (in Japanese). NHK One. 29 July 2026. Retrieved 30 July 2026.
  68. ↑ "長崎県島原市の眉山で山肌崩壊を確認 防災ヘリが現場確認へ" [A landslide has been confirmed on Mount Mayuyama in Shimabara City, Nagasaki Prefecture; a disaster relief helicopter is heading to the site for inspection] (in Japanese). Nagasaki Broadcasting. 28 July 2026. Archived from the original on 28 July 2026. Retrieved 28 July 2026.
  69. ↑ "【熊本地震】「雲仙普賢岳溶岩ドーム 一部崩落」「眉山は表層剥離が広範囲に発生」島原市が発表《長崎》" [[Kumamoto Earthquake] "Partial collapse of the Unzen-Fugen-dake lava dome" and "widespread surface peeling occurring on Mayuyama" - Shimabara City announces (Nagasaki)] (in Japanese). Nagasaki International Television. 31 July 2026. Retrieved 31 July 2026.
  70. 1 2 "Tsunami alert issued after powerful magnitude 7.1 quake strikes Kumamoto". The Japan Times. 28 July 2026. Retrieved 28 July 2026.
  71. ↑ "セブン、熊本県内の約30店で停電 人的被害や建物の大きな被害は確認されず". The Sankei Shimbun (in Japanese). 28 July 2026. Retrieved 28 July 2026.
  72. 1 2 3 "14 confirmed dead after M7.1 quake in southwestern Japan". Kyodo News. 29 July 2026. Retrieved 30 July 2026.
  73. ↑ "熊本県で震度7 イオンモール熊本で爆発、2階崩落で多数閉じ込めか" [An earthquake with a magnitude of 7 struck Kumamoto Prefecture. An explosion occurred at Aeon Mall Kumamoto, and many people may be trapped when the second floor collapsed.] (in Japanese). The Nikkei. 28 July 2026. Archived from the original on 28 July 2026. Retrieved 28 July 2026.
  74. ↑ "佐賀で最大震度5弱 県内にけが人なしも余震への不安広がる【佐賀県】" [An earthquake with a maximum intensity of 5-minus was recorded in Saga Prefecture. No injuries were reported within the prefecture, but concerns about aftershocks are spreading. [Saga Prefecture]] (in Japanese). Fuji News Network. 29 July 2026. Retrieved 29 July 2026.
  75. ↑ "【地震】福岡 八女市の高校生 落下物で頭に軽いケガ". Nippon Television (in Japanese). 28 July 2026. Retrieved 28 July 2026.
  76. 1 2 Bridge, Anton; Komiya, Kantaro; Katsumura, Mariko; Suzuki, Hina. "Magnitude 7.1 earthquake hits Japan's Kyushu region, JMA says". Reuters. Retrieved 28 July 2026.
  77. ↑ "警察約230人が大規模捜索 爆発のイオンモール熊本 「72時間」前に取り残された人の有無確認 ＜2026年熊本地震＞" [Approximately 230 police officers conduct large-scale search at Aeon Mall Kumamoto, which exploded, to check for any people trapped inside 72 hours ago. <2026 Kumamoto Earthquake>] (in Japanese). Kumamoto Nichinichi Shimbun. 31 July 2026. Retrieved 31 July 2026.
  78. ↑ "イオンモール熊本での捜索活動が終了 7人が死亡 5人がけが" [Search operations at Aeon Mall Kumamoto have ended; 7 people are dead and 5 are injured] (in Japanese). NHK One. 1 August 2026. Retrieved 1 August 2026.
  79. 1 2 "＜2026年熊本地震＞迫る「72時間」、懸命の捜索活動 イオン、日本製紙、倒壊家屋…見守る親族ら「どんな形でも見つかれば」" [<2026 Kumamoto Earthquake> With "72 hours" approaching, desperate search efforts continue. Aeon, Nippon Paper Industries, collapsed houses... Relatives watch over the scene: "We just want them to be found in any form."] (in Japanese). Kumamoto Nichinichi Shimbun. 30 July 2026. Retrieved 31 July 2026.
  80. ↑ "Dangerous heatwave persists across much of Japan". NHK. 30 July 2026. Retrieved 31 July 2026.
  81. ↑ "Japan quake survivors battle thirst, heat as death toll rises to 25". The Straits Times. Reuters. 30 July 2026. Retrieved 31 July 2026.
  82. 1 2 Yamaguchi, Mari; Ono, Mayuko (31 July 2026). "Quake survivors in southwestern Japan sleep in cars in sweltering heat as death toll rises to 34". Associated Press News. Retrieved 31 July 2026.
  83. ↑ "熊本地震・九州道などで通行止め" [Kumamoto Earthquake: Road closures on Kyushu Expressway and other routes.] (in Japanese). TV Asahi. 28 July 2026. Retrieved 28 July 2026. この地震による影響で、九州の高速道路では通行止めが発生しています。 NEXCO西日本などによりますと、午後5時現在、通行止めとなっているのは、九州道の植木インターチェンジと栗野インターチェンジ間、南九州道の八代インターチェンジと水俣インターチェンジ間、宮崎道のえびのジャンクションと高原インターチェンジ間です。 [Due to the effects of this earthquake, some expressways in Kyushu are closed to traffic. According to NEXCO West Japan and other sources, as of 5 PM, the following sections of the expressway are closed: the Kyushu Expressway between Ueki Interchange and Kurino Interchange, the Minami-Kyushu Expressway between Yatsushiro Interchange and Minamata Interchange, and the Miyazaki Expressway between Ebino Junction and Takahara Interchange.]
  84. 1 2 "熊本空港の滑走路運用再開 国内線はすべて欠航【熊本で震度7】" [Kumamoto Airport resumes runway operations; all domestic flights cancelled [Magnitude 7 earthquake in Kumamoto]] (in Japanese). TBS News Dig. 28 July 2026. Retrieved 30 July 2026.
  85. ↑ "熊本空港再開。国際線は通常通り、貨物への影響は限定的" [Kumamoto Airport has reopened. International flights are operating as usual, and the impact on cargo is limited] (in Japanese). The Japan Maritime Daily. 30 July 2026. Retrieved 30 July 2026.
  86. ↑ "博多―熊本間で新幹線再開 JR九州、3日ぶり" (in Japanese). Yahoo! Japan. Kyodo News. 31 July 2026. Retrieved 31 July 2026.
  87. ↑ "九州新幹線 熊本～新水俣間「8月中の運転再開は困難」JR九州" [JR Kyushu: "Resumption of service on the Kyushu Shinkansen between Kumamoto and Shin-Minamata in August is unlikely"] (in Japanese). NHK One. 31 July 2026. Retrieved 31 July 2026.
  88. ↑ "M7.1 quake rocks southwestern Japan, tsunami advisory issued". Mainichi Shimbun. 28 July 2026. Retrieved 28 July 2026.
  89. ↑ "Factory shutdowns spread after Kumamoto quake, chip sector hit". Kyodo News. 30 July 2026. Retrieved 30 July 2026.
  90. ↑ Chao Yen-hsiang (31 July 2026). "MOFA to donate NT$5 million for Japan earthquake relief". Focus Taiwan. Retrieved 31 July 2026.
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