Earthquake · Reviewed by USGS
M4.1 earthquake 51 km ESE of Koseda, Japan
A magnitude 4.1 earthquake struck 51 km ESE of Koseda, Japan at Aug 5, 2026, 20:24 UTC, at a depth of 41 km. The epicentre was 55 km (34 mi) SSE of Nishinoomote.
Details
| Magnitude | 4.1 mb |
|---|---|
| Time | Aug 5, 2026, 20:24 UTC |
| Depth | 40.6 km |
| Coordinates | 30.261, 131.168 |
| Felt reports | 0 |
| Tsunami flag | None |
| Source | USGS event page |
02 — Around it
Other earthquakes within 100 km
| Magnitude | Location | Distance | Depth | Time |
|---|---|---|---|---|
| 4.5 | 55 km SE of Koseda, Japan | 22 km / 14 mi | depth 38 km | |
| 4.8 | 55 km ESE of Koshima, Japan | 35 km / 22 mi | depth 35 km | |
| 4.9 | 97 km SE of Koshima, Japan | 69 km / 43 mi | depth 10 km |
USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.