Earthquake · Reviewed by USGS
M4.3 earthquake 221 km SE of Katsuura, Japan
A magnitude 4.3 earthquake struck 221 km SE of Katsuura, Japan at May 23, 2026, 03:34 UTC, at a depth of 10 km. The epicentre was 221 km (138 mi) SE of Katsuura.
Details
| Magnitude | 4.3 mb |
|---|---|
| Time | May 23, 2026, 03:34 UTC |
| Depth | 10.0 km |
| Coordinates | 33.827, 142.125 |
| Felt reports | 0 |
| Tsunami flag | None |
| Source | USGS event page |
02 — Around it
Other earthquakes within 100 km
| Magnitude | Location | Distance | Depth | Time |
|---|---|---|---|---|
| 4.7 | 202 km SSE of Katsuura, Japan | 70 km / 43 mi | depth 41 km | |
| 4.5 | 128 km SE of Katsuura, Japan | 93 km / 58 mi | depth 10 km | |
| 4.4 | off the east coast of Honshu, Japan | 95 km / 59 mi | depth 10 km | |
| 4.5 | off the east coast of Honshu, Japan | 97 km / 60 mi | depth 10 km |
USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.