3.8
Earthquake Details: off the coast of Minamisōma-shi, Fukushima, Japan
Sep 4, 2026, 09:23:00
A magnitude 3.8 earthquake occurred near off the coast of Minamisōma-shi, Fukushima, Japan on Sep 4, 2026 at 09:23:00. The seismic event was recorded at a depth of 500 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth500 km
Significance0
Latitude37.8000
Longitude141.8000
Event IDjma:20260904182321
Magnitude3.8
Updated:Sep 4, 2026, 09:26:00 UTC
External Resources
View on JMA Official SiteLoading map...
Time & depth
- Local time
- Sep 4, 2026, 18:23:00 GMT+9
- UTC
- Sep 4, 2026, 09:23:00 UTC
500 km · Deep-focus
More than 300 km deep. Deep earthquakes can be felt across a wide area.
Nearby major cities
Nearby event sequence · 9
M4.136 km S of Shizunai-furukawachō, JapanBeforeM4.3Hokkaido, Japan regionBeforeM3.5eastern Honshu, JapanBeforeM3.0Hokkaido, Japan regionBeforeM3.5Aizu, FukushimaBeforeM3.8off the coast of FukushimaBeforeM3.9off the coast of IwateBeforeM4.0near the east coast of Honshu, JapanBeforeM3.8off the coast of MiyagiAfter
You may also find these tools useful
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: Sep 4, 2026, 09:26 UTC.
Data sources:
- USGS — Credit: U.S. Geological Survey.
- EMSC — Credit: EMSC/CSEM. Event catalogue data are provided under CC BY 4.0. CC BY 4.0
- JMA — Source: Japan Meteorological Agency (JMA).
- Geoscience Australia — Based on Australian Earthquakes data by Geoscience Australia. © Commonwealth of Australia. Licensed under CC BY 4.0; the section 5 disclaimer applies. CC BY 4.0
- GeoNet — We acknowledge the New Zealand GeoNet programme and its sponsors NHC, Earth Sciences NZ, LINZ, NEMA and MBIE for providing earthquake data.