Earthquake · Reviewed by USGS
M4.8 earthquake 62 km ESE of Koseda, Japan
A magnitude 4.8 earthquake struck 62 km ESE of Koseda, Japan at Aug 4, 2026, 19:56 UTC, at a depth of 28 km. The epicentre was 74 km (46 mi) SSE of Nishinoomote. 1 people reported feeling it to USGS.
Details
| Magnitude | 4.8 mww |
|---|---|
| Time | Aug 4, 2026, 19:56 UTC |
| Depth | 28.1 km |
| Coordinates | 30.095, 131.202 |
| Felt reports | 1 |
| 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 | 10 km / 7 mi | depth 38 km | |
| 4.8 | 55 km ESE of Koshima, Japan | 22 km / 14 mi | depth 35 km | |
| 4.9 | 97 km SE of Koshima, Japan | 50 km / 31 mi | depth 10 km | |
| 4.1 | 51 km ESE of Koseda, Japan | 19 km / 12 mi | depth 41 km | |
| 4.5 | 59 km SE of Koseda, Japan | 6 km / 4 mi | depth 10 km |
USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.