M3.9 earthquake — 128 km SSE of Atka, Alaska
An magnitude 3.9 earthquake occurred 128 km SSE of Atka, Alaska on Jul 27, 2026 at 10:12 UTC. The epicenter was at a depth of 35 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 | M3.9 |
|---|---|
| Depth | 35.0 km |
| Coordinates | 51.235, -173.158 |
| Time | Jul 27, 10:12 UTC |
| Location | 128 km SSE of Atka, Alaska |
| USGS event ID | us7000t3mg |
What this magnitude typically means
Minor earthquakes are often felt close to the epicenter but almost never cause damage. Whether you feel one at all depends on how near and how shallow it is. 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 | 8 km | Jul 26, 09:39 UTC | 120 km SSE of Atka, Alaska |
| M2.5 | 11 km | Jul 26, 01:21 UTC | 118 km SSE of Atka, Alaska |
| M4.0 | 15 km | Jul 25, 23:31 UTC | 136 km SSE of Atka, Alaska |
| M3.3 | 16 km | Jul 26, 08:55 UTC | 112 km SE of Atka, Alaska |
| M2.6 | 18 km | Jul 27, 00:26 UTC | 111 km SE of Atka, Alaska |
| M2.8 | 20 km | Jul 25, 06:30 UTC | 119 km SE of Atka, Alaska |
Earthquake activity in this area
Source: USGS earthquake catalog. Automated readings may be revised. Not for emergency use.