Earthquake Details: 6 km from Omigawa, Chiba, Japan

8/13/2026, 10:50:00 PM

A magnitude 2.8 earthquake occurred near 6 km from Omigawa, Chiba, Japan on 8/13/2026 at 10:50:00 PM. The seismic event was recorded at a depth of 400 km. No tsunami warning was issued.

No Tsunami WarningStatus: reviewedType: earthquake

Regional Seismicity

View recent seismic activity near this event:

Japan Chiba Omigawa (Nearest City)

Technical Details

Depth400 km

Significance0

Latitude35.9000

Longitude140.6000

Event IDjma:20260814074943

Magnitude2.8

Updated:8/13/2026, 10:52:00 PM

External Resources

View on JMA Official Site

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Time & depth

Local time: 8/14/2026, 7:50:00 AM GMT+9
UTC: 8/13/2026, 10:50:00 PM UTC

400 km · Deep-focus

More than 300 km deep. Deep earthquakes can be felt across a wide area.

Nearby major cities

Nearby event sequence · 12

M2.5Chuetsu, Niigata PrefectureBefore8/12/2026, 12:19:00 AM M3.5Off the Coast of Iwate PrefectureBefore8/13/2026, 2:29:00 AM M2.8Off the Coast of Iwate PrefectureBefore8/13/2026, 6:01:00 PM M5.1Eastern Honshu, JapanBefore8/13/2026, 7:21:36 PM M4.2Eastern Mino, Gifu PrefectureBefore8/13/2026, 7:22:00 PM M3.4Off the Coast of Noto PeninsulaBefore8/13/2026, 8:31:00 PM M2.8Northern Tochigi PrefectureAfter8/14/2026, 8:29:00 AM M4.8207 km SE of Katsuura, JapanAfter8/14/2026, 9:58:43 AM M3.6Southern Gunma PrefectureAfter8/14/2026, 9:58:00 PM M4.5Off the Coast of Fukushima PrefectureAfter8/15/2026, 1:10:00 AM M3.2Northern Ibaraki PrefectureAfter8/15/2026, 5:59:00 PM M3.7Off the Coast of Iwate PrefectureAfter8/15/2026, 9:18:00 PM

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 13, 2026, 10:52 PM UTC. Data sources: USGS / EMSC / JMA / Geoscience Australia / GeoNet.