Earthquake · Reviewed by USGS
M4.3 earthquake 44 km S of Koshima, Japan
A magnitude 4.3 earthquake struck 44 km S of Koshima, Japan at Dec 27, 2025, 09:35 UTC, at a depth of 52 km. The epicentre was 106 km (66 mi) SSW of Nishinoomote.
Details
| Magnitude | 4.3 mb |
|---|---|
| Time | Dec 27, 2025, 09:35 UTC |
| Depth | 51.6 km |
| Coordinates | 29.843, 130.617 |
| 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 | 66 km / 41 mi | depth 30 km | |
| 4.5 | 55 km SE of Koseda, Japan | 53 km / 33 mi | depth 38 km | |
| 4.3 | 107 km S of Yudomari, Japan | 65 km / 41 mi | depth 13 km | |
| 5.1 | 99 km S of Yudomari, Japan | 61 km / 38 mi | depth 35 km | |
| 4.8 | 55 km ESE of Koshima, Japan | 42 km / 26 mi | depth 35 km | |
| 4.9 | 97 km SE of Koshima, Japan | 69 km / 43 mi | depth 10 km | |
| 4.4 | 92 km NE of Tatsugō, Japan | 93 km / 58 mi | depth 35 km | |
| 4.1 | 51 km ESE of Koseda, Japan | 71 km / 44 mi | depth 41 km | |
| 4.5 | 59 km SE of Koseda, Japan | 57 km / 35 mi | depth 10 km | |
| 4.8 | 62 km ESE of Koseda, Japan | 63 km / 39 mi | depth 28 km | |
| 4.5 | 103 km S of Koshima, Japan | 59 km / 37 mi | depth 35 km | |
| 4.4 | 43 km SE of Koseda, Japan | 51 km / 31 mi | depth 27 km | |
| 4.5 | 59 km S of Koshima, Japan | 19 km / 12 mi | depth 46 km | |
| 4.3 | 81 km SSW of Yudomari, Japan | 49 km / 30 mi | depth 62 km | |
| 4.2 | 90 km SSE of Koshima, Japan | 46 km / 29 mi | depth 35 km | |
| 4.5 | 88 km NNE of Tatsugō, Japan | 95 km / 59 mi | depth 37 km | |
| 4.2 | 74 km ESE of Koseda, Japan | 71 km / 44 mi | depth 10 km | |
| 4.0 | 97 km S of Koshima, Japan | 54 km / 33 mi | depth 42 km | |
| 4.6 | 118 km ESE of Koshima, Japan | 97 km / 60 mi | depth 10 km | |
| 4.6 | 52 km SE of Koseda, Japan | 51 km / 32 mi | depth 42 km | |
| 4.3 | 101 km S of Yudomari, Japan | 64 km / 40 mi | depth 35 km | |
| 4.3 | 16 km ESE of Koshima, Japan | 36 km / 23 mi | depth 53 km | |
| 4.6 | 93 km S of Koshima, Japan | 50 km / 31 mi | depth 38 km | |
| 4.1 | 94 km S of Koshima, Japan | 51 km / 32 mi | depth 42 km | |
| 4.6 | 92 km S of Koshima, Japan | 49 km / 30 mi | depth 40 km |
USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.