Earthquake · Reviewed by USGS
M4.3 earthquake 37 km ENE of Codrington, Antigua and Barbuda
A magnitude 4.3 earthquake struck 37 km ENE of Codrington, Antigua and Barbuda at Oct 21, 2025, 03:36 UTC, at a depth of 26 km. The epicentre was 85 km (53 mi) NNE of Saint John's.
Details
| Magnitude | 4.3 mb |
|---|---|
| Time | Oct 21, 2025, 03:36 UTC |
| Depth | 26.5 km |
| Coordinates | 17.821, -61.521 |
| Felt reports | 0 |
| Tsunami flag | None |
| Source | USGS event page |
02 — Around it
Other earthquakes within 100 km
| Magnitude | Location | Distance | Depth | Time |
|---|---|---|---|---|
| 6.0 | 61 km ESE of Codrington, Antigua and Barbuda | 51 km / 31 mi | depth 47 km |
USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.