M4.0 earthquake — 203 km SE of Unalaska, Alaska
An magnitude 4.0 earthquake occurred 203 km SE of Unalaska, Alaska on Nov 7, 2026 at 19:45 UTC. The epicenter was at a depth of 28 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 | 27.9 km |
| Coordinates | 52.377, -164.782 |
| Time | Nov 7, 19:45 UTC |
| Location | 203 km SE of Unalaska, Alaska |
| USGS event ID | aka2026wcchuf |
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 |
|---|---|---|---|
| M2.5 | 120 km | Nov 5, 20:31 UTC | 91 km SE of Akutan, Alaska |
| M2.6 | 123 km | Nov 5, 20:29 UTC | 88 km SSE of Akutan, Alaska |
| M2.7 | 129 km | Nov 6, 06:32 UTC | 123 km SE of Akutan, Alaska |
| M3.9 | 129 km | Nov 11, 23:59 UTC | 95 km SE of Akutan, Alaska |
| M4.4 | 140 km | Nov 12, 00:00 UTC | 84 km SE of Akutan, Alaska |
| M3.1 | 168 km | Nov 6, 18:38 UTC | 122 km SSW of False Pass, Alaska |
Earthquake activity in this area
Source: USGS earthquake catalog. Automated readings may be revised. Not for emergency use.