4.4
Earthquake Details: 12 km NNE of Onagawa Chō, Japan
10/15/2025, 8:50:21 AM
A magnitude 4.4 earthquake occurred near 12 km NNE of Onagawa Chō, Japan on 10/15/2025 at 8:50:21 AM. The seismic event was recorded at a depth of 87.939 km. No tsunami warning was issued.
No Tsunami WarningStatus: reviewedType: earthquake
Regional Seismicity
Technical Details
Depth87.939 km
Significance298
Latitude38.5547
Longitude141.4848
Event IDus6000rh8z
Magnitude4.4
Updated:1/9/2026, 3:38:36 PM
External Resources
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Time & depth
- Local time
- 10/15/2025, 5:50:21 PM GMT+9
- UTC
- 10/15/2025, 8:50:21 AM UTC
87.939 km · Intermediate-focus
Between 70 and 300 km deep.
Nearby major cities
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: Jan 9, 2026, 03:38 PM 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.