Earthquake · Reviewed by USGS
M4.5 earthquake 121 km SE of Atka, Alaska
A magnitude 4.5 earthquake struck 121 km SE of Atka, Alaska at Oct 31, 2026, 18:50 UTC, at a depth of 1 km.
Details
| Magnitude | 4.5 ml |
|---|---|
| Time | Oct 31, 2026, 18:50 UTC |
| Depth | 1.0 km |
| Coordinates | 51.521, -172.815 |
| Felt reports | 0 |
| Tsunami flag | None |
| Source | USGS event page |
01 — Around it
Other earthquakes within 100 km
| Magnitude | Location | Distance | Depth | Time |
|---|---|---|---|---|
| 4.5 | 111 km ESE of Atka, Alaska | 20 km / 12 mi | depth 45 km |
USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.