Earthquake Details: 1 km from Honmachi, Kumamoto, Japan

8/12/2026, 9:21:00 PM

A magnitude 4.5 earthquake occurred near 1 km from Honmachi, Kumamoto, Japan on 8/12/2026 at 9:21:00 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:

Japan Kumamoto Honmachi (Nearest City)

Technical Details

Depth100 km

Significance0

Latitude32.5000

Longitude130.6000

Event IDjma:20260813062132

Magnitude4.5

Updated:8/12/2026, 9:25:00 PM

External Resources

View on JMA Official Site

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Time & depth

Local time: 8/13/2026, 6:21:00 AM GMT+9
UTC: 8/12/2026, 9:21:00 PM UTC

100 km · Intermediate-focus

Between 70 and 300 km deep.

Nearby major cities

Nearby event sequence · 12

M4.1Amakusa and Ashikita region, KumamotoBefore8/10/2026, 5:47:00 PM M3.7Amakusa and Ashikita region, KumamotoBefore8/10/2026, 6:12:00 PM M4.3Kumamoto region, KumamotoBefore8/10/2026, 10:59:00 PM M3.8Kumamoto region, KumamotoBefore8/11/2026, 11:50:00 PM M4.9Amakusa and Ashikita region, KumamotoBefore8/12/2026, 4:05:00 AM M4.0Kumamoto region, KumamotoAfter8/12/2026, 11:56:00 PM M3.4Amakusa and Ashikita region, KumamotoAfter8/13/2026, 7:52:00 PM M3.6Kumamoto region, KumamotoAfter8/16/2026, 3:04:00 AM M4.1Hyuganada SeaAfter8/16/2026, 4:37:00 AM M4.4Fukuoka region, FukuokaAfter8/16/2026, 9:37:00 PM M4.1Hyuganada SeaAfter8/17/2026, 3:06:00 AM M3.5Kumamoto region, KumamotoAfter8/17/2026, 6:39:00 AM

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 12, 2026, 09:25 PM UTC. Data sources: USGS / EMSC / JMA / Geoscience Australia / GeoNet.