2.7
Earthquake Details: Adjacent Sea of Niijima Island, Kozushima Island
Sep 15, 2026, 18:17:00
A magnitude 2.7 earthquake occurred near Adjacent Sea of Niijima Island, Kozushima Island on Sep 15, 2026 at 18:17:00. The seismic event was recorded at a depth of 100 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth100 km
Significance0
Latitude34.2000
Longitude139.2000
Event IDjma:20260916031750
Magnitude2.7
Updated:Sep 15, 2026, 18:20:00 UTC
External Resources
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Time & depth
- Local time
- Sep 16, 2026, 03:17:00 GMT+9
- UTC
- Sep 15, 2026, 18:17:00 UTC
100 km · Intermediate-focus
Between 70 and 300 km deep.
Nearby major cities
Nearby event sequence · 9
M4.3Adjacent Sea of Miyakejima IslandBeforeM4.124 km E of Owase, JapanBeforeM4.4off the coast of FukushimaBeforeM4.3off the coast of FukushimaBeforeM3.3near the south coast of Honshu, JapanAfterM2.7northern TochigiAfterM4.8near the east coast of Honshu, JapanAfterM3.5off the coast of IbarakiAfterM3.1southern IbarakiAfter
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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 15, 2026, 18:20 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.