Earthquake Details: 207 km SE of Katsuura, Japan

8/14/2026, 9:58:43 AM

A magnitude 4.8 earthquake occurred near 207 km SE of Katsuura, Japan on 8/14/2026 at 9:58:43 AM. The seismic event was recorded at a depth of 10 km. No tsunami warning was issued.

No Tsunami WarningStatus: reviewedType: earthquake

Regional Seismicity

View recent seismic activity near this event:

Japan Chiba Isumi (Nearest City)

Technical Details

Depth10 km

Significance0

Latitude33.6150

Longitude141.6190

Event IDus6000tkmy

Magnitude4.8

Updated:8/14/2026, 10:25:28 AM

External Resources

View on USGS Official Site

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Time & depth

Local time: 8/14/2026, 6:58:43 PM GMT+9
UTC: 8/14/2026, 9:58:43 AM UTC

10 km · Shallow-focus

Less than 70 km deep. Shaking is often stronger near the epicentre.

Nearby major cities

Nearby event sequence · 3

M5.1Eastern Honshu, JapanBefore8/13/2026, 7:21:36 PM M4.5Off the Coast of Fukushima PrefectureAfter8/15/2026, 1:10:00 AM M3.2Northern Ibaraki PrefectureAfter8/15/2026, 5:59:00 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 14, 2026, 10:25 AM UTC. Data sources: USGS / EMSC / JMA / Geoscience Australia / GeoNet.