M4.0 earthquake — 8 km SE of Port Clarence, Alaska
An magnitude 4.0 earthquake occurred 8 km SE of Port Clarence, Alaska on Sep 10, 2026 at 23:03 UTC. The epicenter was at a depth of 5 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 | M4.0 |
|---|---|
| Depth | 5.0 km |
| Coordinates | 65.211, -166.721 |
| Time | Sep 10, 23:03 UTC |
| Location | 8 km SE of Port Clarence, Alaska |
| USGS event ID | aka2026rzfqpv |
What this magnitude typically means
Light earthquakes are felt by most people nearby but rarely cause damage. Distance, depth, and soil type determine whether a quake feels sharp or barely noticeable. 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 |
|---|---|---|---|
| M2.8 | 178 km | Sep 8, 04:04 UTC | 62 km NNE of White Mountain, Alaska |
Earthquake activity in this area
Source: USGS earthquake catalog. Automated readings may be revised. Not for emergency use.