M2.7 earthquake — 188 km SSE of Old Harbor, Alaska

An magnitude 2.7 earthquake occurred 188 km SSE of Old Harbor, Alaska on Oct 25, 2026 at 10:17 UTC. The epicenter was at a depth of 10 km — a shallow earthquake. Shallow quakes concentrate their energy near the surface, so they tend to produce stronger shaking close to the epicenter.
Event data
| Magnitude | M2.7 |
|---|---|
| Depth | 10.0 km |
| Coordinates | 55.690, -151.929 |
| Time | Oct 25, 10:17 UTC |
| Location | 188 km SSE of Old Harbor, Alaska |
| USGS event ID | us6000u4uz |
What this magnitude typically means
Very small earthquakes are usually only detected by instruments and are rarely felt. They are a normal part of background seismic activity. Tremor does not compute a single local shaking figure here, because how strong a quake feels at any address depends on distance, depth and local geology — open the interactive globe to explore the ShakeMap and estimated intensity.
Nearby recent earthquakes
| Magnitude | Distance | Time (UTC) | Location |
|---|---|---|---|
| M2.6 | 190 km | Oct 21, 20:29 UTC | 6 km SSE of Akhiok, Alaska |
| M3.3 | 198 km | Oct 26, 20:10 UTC | 272 km SE of Chiniak, Alaska |
| M2.5 | 202 km | Oct 21, 19:51 UTC | 64 km SW of Akhiok, Alaska |
| M2.8 | 261 km | Oct 27, 08:49 UTC | 247 km ESE of Chiniak, Alaska |
Earthquake activity in this area
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Source: USGS earthquake catalog. Automated readings may be revised. Not for emergency use.