Earthquake · Reviewed by USGS
M4.1 earthquake 137 km NNW of Kameshima, Japan
A magnitude 4.1 earthquake struck 137 km NNW of Kameshima, Japan at Aug 15, 2025, 20:03 UTC, at a depth of 390 km. The epicentre was 134 km (83 mi) N of Kasumi.
Details
| Magnitude | 4.1 mb |
|---|---|
| Time | Aug 15, 2025, 20:03 UTC |
| Depth | 390.4 km |
| Coordinates | 36.832, 134.788 |
| Felt reports | 0 |
| Tsunami flag | None |
| Source | USGS event page |
02 — Around it
Other earthquakes within 100 km
| Magnitude | Location | Distance | Depth | Time |
|---|---|---|---|---|
| 4.0 | 146 km NW of Mikuni, Japan | 34 km / 21 mi | depth 379 km | |
| 4.1 | 95 km NW of Mikuni, Japan | 61 km / 38 mi | depth 359 km | |
| 4.0 | 178 km NW of Mikuni, Japan | 68 km / 42 mi | depth 365 km |
USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.