Earthquake · Reviewed by USGS
M4.5 earthquake 103 km S of Koshima, Japan
A magnitude 4.5 earthquake struck 103 km S of Koshima, Japan at Aug 4, 2026, 09:29 UTC, at a depth of 35 km. The epicentre was 152 km (94 mi) NE of Amami.
Details
| Magnitude | 4.5 mb |
|---|---|
| Time | Aug 4, 2026, 09:29 UTC |
| Depth | 35.0 km |
| Coordinates | 29.308, 130.635 |
| 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 | 6 km / 4 mi | depth 30 km | |
| 4.5 | 55 km SE of Koseda, Japan | 96 km / 60 mi | depth 38 km | |
| 4.3 | 107 km S of Yudomari, Japan | 15 km / 9 mi | depth 13 km | |
| 5.1 | 99 km S of Yudomari, Japan | 25 km / 15 mi | depth 35 km | |
| 4.8 | 55 km ESE of Koshima, Japan | 83 km / 51 mi | depth 35 km | |
| 4.9 | 97 km SE of Koshima, Japan | 74 km / 46 mi | depth 10 km | |
| 4.4 | 92 km NE of Tatsugō, Japan | 47 km / 29 mi | depth 35 km | |
| 4.5 | 59 km SE of Koseda, Japan | 98 km / 61 mi | depth 10 km |
USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.