M4.8 Earthquake — 139 km SSE of Koshima, Japan
M4.8 Earthquake — 139 km SSE of Koshima, Japan is one of 9,000 earthquakes in the SeismicGuard dataset. Key details — Magnitude: 4.8; Location: 139 km SSE of Koshima, Japan; Date/time (UTC): 2025-11-28 22:40 UTC.
| Magnitude | 4.8 |
|---|---|
| Location | 139 km SSE of Koshima, Japan |
| Date/time (UTC) | 2025-11-28 22:40 UTC |
| Depth (km) | 9.766 |
| Felt reports | 0 |
| Tsunami flag | No |
| USGS event ID | us7000reif |
| Official record | https://earthquake.usgs.gov/earthquakes/eventpage/us7000reif |