An earthquake with a maximum intensity of 7 occurred in Kumamoto Prefecture, and its magnitude was estimated to be M7.1.



At approximately 4:27 PM on July 28, 2026, an earthquake occurred with its epicenter in Uki City, Kumamoto Prefecture. The earthquake's depth was estimated at 10 km, its magnitude at M7.1, and a seismic intensity of 7 was observed in Uki City and Hikawa Town, Kumamoto Prefecture. This earthquake has been named the 'Reiwa 8 Kumamoto Earthquake.'

Japan Meteorological Agency | Earthquake Information

https://www.jma.go.jp/bosai/map.html#7/33.073/132.836/&elem=int&contents=earthquake_map

[Earthquake Alert] Magnitude 7 earthquake in Kumamoto region, Kumamoto Prefecture; Tsunami warning issued by Japan Meteorological Agency | NHK News | Earthquake, Tsunami
https://news.web.nhk/newsweb/na/na-k10015188221000



According to the Japan Meteorological Agency's disaster prevention information, the earthquake was detected at 4:27 PM and announced at 4:31 PM.



Regarding '

long-period ground motion ,' which propagates over long distances, the highest level, 'Level 4,' was observed in Yatsushiro City and Uki City.

Japan Meteorological Agency | Long-period ground motion
https://www.jma.go.jp/bosai/map.html#7/33.397/132.395/&contents=ltpgm



Additionally, a tsunami warning of up to 1 meter has been issued for the Ariake and Yatsushiro Seas, and tsunami forecasts have been issued for the Amakusa Sea coast and western Nagasaki Prefecture.

Japan Meteorological Agency | Tsunami

https://www.jma.go.jp/bosai/map.html#8/32.755/129.523/&elem=warn&contents=tsunami

Ten years ago, in April 2016, Kumamoto Prefecture also experienced an earthquake that registered a maximum intensity of 7.

An earthquake with a maximum intensity of 7 was observed in Kumamoto Prefecture, but there is no risk of a tsunami - GIGAZINE



We are adding reactions and other information below.

Immediately after the earthquake, JR Kyushu suspended train operations on all lines within Kyushu, including conventional lines, the Kyushu Shinkansen, and the West Kyushu Shinkansen.

Train Service Information (Kumamoto) | JR Kyushu
https://www.jrkyushu.co.jp/trains/info/kuma.html



Subsequently, service has been gradually resumed on some sections, but as of 7 PM, the Kyushu Shinkansen, Kagoshima Main Line (Omuta to Yatsushiro and Sendai to Kagoshima), Nagasaki Main Line (Kohoku to Isahaya), Hohi Main Line (Kumamoto to Bungo-Taketa), Misumi Line, and Kitto Line remain suspended.

According to Kyushu Electric Power Company, the number of households affected by the power outage reached a maximum of 48,030 in Kumamoto Prefecture. Restoration efforts are underway.

Kyushu Electric Power Transmission and Distribution Power Outage Information
https://www.kyuden.co.jp/td_teiden/kyushu.html

Live camera footage of Kumamoto Castle, streamed on YouTube by Kumamoto Asahi Broadcasting (KBA), shows the camera being violently shaken by the earthquake, followed by a cloud of dust.

Live Camera | Kumamoto City and Kumamoto Castle - YouTube




A video posted on X reveals that the dust cloud at Kumamoto Castle was caused by the collapse of the stone walls.






Scenes from Kumamoto City where an earthquake intensity of 5-strong to 6-weak was observed.



This is a scene from Namco Wonder City Minami Kumamoto store, also located in Chuo Ward, Kumamoto City.



Scenes from Hitoyoshi City, Kumamoto Prefecture, where an earthquake of magnitude 5-minus was observed.



Scenes from Kurume City, Fukuoka Prefecture, where an earthquake of magnitude 3 to 4 was observed.



Scenes from JR Oita Station in Oita City, Oita Prefecture, where an earthquake of magnitude 3-4 was observed.



It appears that a water pipe is broken, causing water to gush out.



Scenes from Ashikita Town, Kumamoto Prefecture, where an earthquake with a seismic intensity of 6-minus was observed.



The fixed-point camera in Uki City, which recorded seismic intensity of 6+ to 7, was shaken violently when the earthquake struck, and the video feed eventually cut out.



This is what Uki City looks like.



In Ogawa-cho, Uki City, roads have been observed to be undulating and buildings topple.



In Toyono, Uki City, a crack appeared on a prefectural road, causing it to be closed to traffic.



Footage shows someone shopping in Tamana City, Kumamoto Prefecture, where an earthquake of magnitude 3 to 5 was observed.



The pet camera footage shows the cat noticing something was wrong even before the shaking started.



In Yumetown Hikarinomori, located in Kikuyo Town, Kumamoto Prefecture, where an earthquake with a seismic intensity of 5+ was observed, it can be seen that a crepe shop suffered significant damage.



Scenes from Satsumasendai City, Kagoshima Prefecture, where an earthquake of magnitude 4 to 5+ was observed.



Scenes from Yatsushiro City, Kumamoto Prefecture, where an earthquake intensity of 5-minus to 6-plus was observed.



Near the Yatsushiro Interchange on the Kyushu Expressway, a joint section shifted significantly vertically.



The Hagiwara Bridge on National Route 219, which crosses the Kuma River, was also damaged and is currently closed to traffic.



House collapses have also been confirmed in Yatsushiro City.








The ruins of Yatsushiro Castle and the scenic spot Matsuhama-ken were also damaged.



Water outages are also occurring.



At Yatsushiro Station, part of a freight train and an electric locomotive overturned.



In front of Sanko Bus Yatsushiro Depot



An earthquake with a seismic intensity of 4 was observed in Shimabara City, Nagasaki Prefecture, across the strait from Kumamoto Prefecture. The collapse of Mount Mayuyama has been confirmed.




This is a scene from the Costco Kumamoto Mifune warehouse store in Mifune Town, Kumamoto Prefecture, where an earthquake with a seismic intensity of 6-minus was observed. A sinkhole has occurred in the parking lot.



In the Kikuchi Valley , which stretches from Kikuchi City in Kumamoto Prefecture, where an earthquake intensity of 5-minus to 5-plus was observed, to Aso City, where an earthquake intensity of 5-minus was observed, the water flow has reportedly become muddy after the earthquake.



Building collapses were also observed in Hikawa Town, Kumamoto Prefecture, where an earthquake intensity of 6-7 was recorded.



At Aeon Mall Kumamoto in Kashima Town, Kumamoto Prefecture, where the seismic intensity was initially recorded as 'no transmission received,' a fire broke out after the earthquake, and it has also been reported that an explosion occurred.





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in Note, Posted by logc_nt