Earthquake · Reviewed by USGS
M4.8 earthquake 55 km ESE of Koshima, Japan
A magnitude 4.8 earthquake struck 55 km ESE of Koshima, Japan at Aug 29, 2026, 21:00 UTC, at a depth of 35 km. The epicentre was 85 km (53 mi) S of Nishinoomote.
Details
| Magnitude | 4.8 mb |
|---|---|
| Time | Aug 29, 2026, 21:00 UTC |
| Depth | 35.0 km |
| Coordinates | 29.969, 131.028 |
| Felt reports | 0 |
| Tsunami flag | None |
| Source | USGS event page |
02 — Around it
Other earthquakes within 100 km
| Magnitude | Location | Distance | Depth | Time |
|---|---|---|---|---|
| 4.8 | 109 km S of Koshima, Japan | 87 km / 54 mi | depth 30 km | |
| 4.5 | 55 km SE of Koseda, Japan | 13 km / 8 mi | depth 38 km | |
| 4.3 | 107 km S of Yudomari, Japan | 94 km / 58 mi | depth 13 km | |
| 5.1 | 99 km S of Yudomari, Japan | 94 km / 58 mi | depth 35 km |
USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.