3.8

Earthquake Details: 4 km from Uki, Kumamoto, Japan

8/11/2026, 11:50:00 PM

A magnitude 3.8 earthquake occurred near 4 km from Uki, Kumamoto, Japan on 8/11/2026 at 11:50:00 PM. The seismic event was recorded at a depth of 100 km. No tsunami warning was issued.

No Tsunami WarningStatus: reviewedType: earthquake

Regional Seismicity

View recent seismic activity near this event:

JapanKumamotoUki (Nearest City)

Technical Details

Depth100 km
Significance0
Latitude32.6000
Longitude130.7000
Event IDjma:20260812085053
Magnitude3.8
Updated:8/11/2026, 11:54:00 PM

External Resources

View on JMA Official Site

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Time & depth

Local time
8/12/2026, 8:50:00 AM GMT+9
UTC
8/11/2026, 11:50:00 PM UTC
100 km · Intermediate-focus

Between 70 and 300 km deep.

Nearby major cities

Uki
4 km NW
Matsubase
6 km NW
Uto
10 km N
Honmachi
14 km SW
Nearby event sequence · 12
M3.1central TottoriAfterM4.9Amakusa and Ashikita region, KumamotoAfterM4.5Kumamoto region, KumamotoAfterM4.0Kumamoto region, KumamotoAfterM3.2Amakusa and Ashikita region, KumamotoAfterM3.4Amakusa and Ashikita region, KumamotoAfterM3.2Bungo ChannelAfterM3.3Kumamoto region, KumamotoAfterM3.4Kumamoto region, KumamotoAfterM3.6Kumamoto region, KumamotoAfterM4.1Hyuganada SeaAfterM3.3Amakusanada SeaAfter

Earthquake information is automatically aggregated from the official seismic agencies listed below. Preliminary measurements can change as agencies review an event; use local emergency authorities for safety decisions. Latest successful data update: Aug 11, 2026, 11:54 PM UTC. Data sources: USGS / EMSC / JMA / Geoscience Australia / GeoNet.