4.1

Earthquake Details: 9 km from Honmachi, Kumamoto, Japan

8/10/2026, 5:47:00 PM

A magnitude 4.1 earthquake occurred near 9 km from Honmachi, Kumamoto, Japan on 8/10/2026 at 5:47:00 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:

JapanKumamotoHonmachi (Nearest City)

Technical Details

Depth100 km
Significance0
Latitude32.5000
Longitude130.5000
Event IDjma:20260811024721
Magnitude4.1
Updated:8/10/2026, 5:51:00 PM

External Resources

View on JMA Official Site

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Time & depth

Local time
8/11/2026, 2:47:00 AM GMT+9
UTC
8/10/2026, 5:47:00 PM UTC
100 km · Intermediate-focus

Between 70 and 300 km deep.

Nearby major cities

Honmachi
9 km E
Uki
20 km NE
Matsubase
23 km NE
Uto
26 km NE
Nearby event sequence · 12
M3.7Amakusa and Ashikita region, KumamotoAfterM4.3Kumamoto region, KumamotoAfterM3.8Kumamoto region, KumamotoAfterM4.9Amakusa and Ashikita region, KumamotoAfterM4.5Kumamoto region, KumamotoAfterM4.0Kumamoto region, KumamotoAfterM3.4Amakusa and Ashikita region, KumamotoAfterM3.6Kumamoto region, KumamotoAfterM4.1Hyuganada SeaAfterM4.4Fukuoka region, FukuokaAfterM4.1Hyuganada SeaAfterM3.5Kumamoto region, KumamotoAfter

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 10, 2026, 05:51 PM UTC. Data sources: USGS / EMSC / JMA / Geoscience Australia / GeoNet.