M4.0 earthquake 287 km SE of Attu Station, Alaska
A magnitude 4.0 earthquake struck 287 km SE of Attu Station, Alaska at Apr 3, 5:21 AM ET, 21 km deep, light – felt by most people nearby, rattling windows, rarely damage.
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| Magnitude | 4.0 mb |
| Time | 3 Apr 2026, 09:21 UTC |
| Location | 50.770°, 175.658° – 287 km SE of Attu Station, Alaska |
| Depth | 20.8 km |
| Felt reports | 0 |
| Max. estimated intensity (MMI) | 1.3 |
| USGS event | us6000smbc |
Other earthquakes nearby this year
| Mag. | Where | When (ET) | Depth | Felt |
|---|---|---|---|---|
| 4.8 | Rat Islands, Aleutian Islands, Alaska | Jan 6, 5:57 AM 285 d ago | 12 km | – |
| 4.6 | 194 km SE of Attu Station, Alaska | Oct 12, 10:29 AM 5 d ago | 10 km | – |
| 4.5 | 206 km SSE of Attu Station, Alaska | Nov 10, 1:51 PM 341 d ago | 10 km | – |
| 4.4 | 296 km SE of Attu Station, Alaska | Jan 6, 6:14 AM 284 d ago | 8 km | – |
| 4.2 | 198 km SSE of Attu Station, Alaska | May 12, 8:42 PM 158 d ago | 10 km | – |
| 4.0 | 217 km SSE of Attu Station, Alaska | Jun 27, 1:52 AM 113 d ago | 10 km | – |
| 4.0 | Rat Islands, Aleutian Islands, Alaska | Jan 11, 10:04 PM 279 d ago | 10 km | 1 report |
| 3.9 | 232 km SE of Attu Station, Alaska | Jun 14, 1:24 PM 125 d ago | 35 km | – |
| 3.9 | 288 km SE of Attu Station, Alaska | Feb 19, 10:41 PM 240 d ago | 10 km | – |
| 3.8 | 240 km SE of Attu Station, Alaska | Aug 1, 12:35 PM 77 d ago | 42 km | – |
| 3.7 | 244 km SE of Attu Station, Alaska | Jul 17, 7:45 AM 92 d ago | 22 km | – |
| 3.7 | 214 km SE of Attu Station, Alaska | May 30, 1:03 AM 141 d ago | 10 km | – |
About this earthquake
How strong was the 287 km SE of Attu Station, Alaska earthquake?
Magnitude 4.0 (mb), light – felt by most people nearby, rattling windows, rarely damage. Depth 21 km. Strongest estimated shaking: intensity 1.3 on the Modified Mercalli scale.
Was it felt?
No felt reports have been submitted to the USGS so far.
Were there aftershocks?
No earthquakes within 100 km have followed so far in our records.
More
Source: U.S. Geological Survey (USGS) earthquake catalog, real-time feeds and FDSN event service; magnitudes and locations are revised by seismologists for hours after an event. Times are Eastern (ET) unless marked UTC. Not an alert service: for warnings follow local authorities and tsunami centers.