Earthquake · Reviewed by USGS
M4.6 earthquake 52 km SE of Koseda, Japan
A magnitude 4.6 earthquake struck 52 km SE of Koseda, Japan at Apr 4, 2026, 16:14 UTC, at a depth of 42 km. The epicentre was 72 km (45 mi) S of Nishinoomote.
Details
| Magnitude | 4.6 mb |
|---|---|
| Time | Apr 4, 2026, 16:14 UTC |
| Depth | 41.9 km |
| Coordinates | 30.087, 131.065 |
| Felt reports | 0 |
| 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 | 4 km / 2 mi | depth 38 km | |
| 4.8 | 55 km ESE of Koshima, Japan | 14 km / 9 mi | depth 35 km | |
| 4.9 | 97 km SE of Koshima, Japan | 53 km / 33 mi | depth 10 km | |
| 4.1 | 51 km ESE of Koseda, Japan | 22 km / 13 mi | depth 41 km | |
| 4.5 | 59 km SE of Koseda, Japan | 8 km / 5 mi | depth 10 km | |
| 4.8 | 62 km ESE of Koseda, Japan | 13 km / 8 mi | depth 28 km | |
| 4.5 | 103 km S of Koshima, Japan | 96 km / 60 mi | depth 35 km | |
| 4.4 | 43 km SE of Koseda, Japan | 9 km / 6 mi | depth 27 km | |
| 4.5 | 59 km S of Koshima, Japan | 68 km / 42 mi | depth 46 km | |
| 4.3 | 43 km E of Nishinoomote, Japan | 87 km / 54 mi | depth 44 km | |
| 4.1 | 29 km E of Nishinoomote, Japan | 74 km / 46 mi | depth 45 km | |
| 5.3 | 43 km E of Nishinoomote, Japan | 81 km / 50 mi | depth 35 km | |
| 4.3 | 81 km SSW of Yudomari, Japan | 99 km / 62 mi | depth 62 km | |
| 4.2 | 90 km SSE of Koshima, Japan | 80 km / 49 mi | depth 35 km | |
| 4.2 | 74 km ESE of Koseda, Japan | 25 km / 15 mi | depth 10 km | |
| 4.0 | 97 km S of Koshima, Japan | 91 km / 57 mi | depth 42 km | |
| 4.6 | 118 km ESE of Koshima, Japan | 66 km / 41 mi | depth 10 km |
USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.