4.6
Earthquake Details: 57 km ESE of Koseda, Japan
Sep 19, 2026, 07:08:23
A magnitude 4.6 earthquake occurred near 57 km ESE of Koseda, Japan on Sep 19, 2026 at 07:08:23. The seismic event was recorded at a depth of 38.54 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth38.54 km
Significance326
Latitude30.1668
Longitude131.1901
Event IDus7000tii4
Magnitude4.6
Updated:Sep 19, 2026, 07:37:40 UTC
External Resources
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Time & depth
- Local time
- Sep 19, 2026, 16:08:23 GMT+9
- UTC
- Sep 19, 2026, 07:08:23 UTC
38.54 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M4.4Amakusanada SeaAfterM5.0Adjacent Sea of Amami-Oshima IslandAfterM4.8Hyuganada SeaAfterM3.5Kumamoto region, KumamotoAfterM3.0Kumamoto region, KumamotoAfterM3.4Adjacent Sea of Amami-Oshima IslandAfterM4.9Off the northwest Coast of Amami- Oshima IslandAfterM3.3Kumamoto region, KumamotoAfterM3.0Kumamoto region, KumamotoAfterM3.8Adjacent Sea of Okinawa Main IslandAfterM4.5Kumamoto region, KumamotoAfterM3.6Kumamoto region, KumamotoAfter
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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 19, 2026, 07:37 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.