Earthquake · Reviewed by USGS
M4.6 earthquake 161 km SSE of Koshima, Japan
A magnitude 4.6 earthquake struck 161 km SSE of Koshima, Japan at Jun 30, 2026, 12:39 UTC, at a depth of 10 km. The epicentre was 189 km (117 mi) ENE of Amami.
Details
| Magnitude | 4.6 mb |
|---|---|
| Time | Jun 30, 2026, 12:39 UTC |
| Depth | 10.0 km |
| Coordinates | 28.947, 131.316 |
| 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 | 73 km / 45 mi | depth 30 km | |
| 4.3 | 107 km S of Yudomari, Japan | 87 km / 54 mi | depth 13 km | |
| 4.4 | 133 km ESE of Tatsugō, Japan | 91 km / 57 mi | depth 10 km | |
| 4.9 | 97 km SE of Koshima, Japan | 79 km / 49 mi | depth 10 km | |
| 4.5 | 103 km S of Koshima, Japan | 77 km / 48 mi | depth 35 km |
USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.