M4.3 earthquake — 73 km SSE of Akutan, Alaska
An magnitude 4.3 earthquake occurred 73 km SSE of Akutan, Alaska on Aug 21, 2026 at 01:11 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 | M4.3 |
|---|---|
| Depth | 35.0 km |
| Coordinates | 53.524, -165.331 |
| Time | Aug 21, 01:11 UTC |
| Location | 73 km SSE of Akutan, Alaska |
| USGS event ID | us6000tmcf |
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 | 13 km | Aug 21, 01:28 UTC | 87 km SSE of Akutan, Alaska |
| M2.9 | 16 km | Aug 25, 10:06 UTC | 90 km SSE of Akutan, Alaska |
| M2.5 | 30 km | Aug 26, 00:34 UTC | 55 km SE of Akutan, Alaska |
| M2.7 | 40 km | Aug 21, 12:43 UTC | 81 km SE of Unalaska, Alaska |
| M2.7 | 42 km | Aug 23, 15:08 UTC | 77 km SE of Akutan, Alaska |
| M2.5 | 72 km | Aug 24, 19:37 UTC | 74 km SSE of Unalaska, Alaska |
Earthquake activity in this area
Source: USGS earthquake catalog. Automated readings may be revised. Not for emergency use.