M4.2 earthquake Rat Islands, Aleutian Islands, Alaska
A magnitude 4.2 earthquake struck Rat Islands, Aleutian Islands, Alaska at Oct 5, 5:11 AM ET, 18 km deep, light – felt by most people nearby, rattling windows, rarely damage.
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| Magnitude | 4.2 mb |
| Time | 5 Oct 2025, 09:11 UTC |
| Location | 51.077°, 178.816° – Rat Islands, Aleutian Islands, Alaska |
| Depth | 17.5 km |
| Felt reports | 0 |
| Max. estimated intensity (MMI) | 1.0 |
| USGS event | us6000rey2 |
Other earthquakes nearby this year
| Mag. | Where | When (ET) | Depth | Felt |
|---|---|---|---|---|
| 6.1 | Rat Islands, Aleutian Islands, Alaska | May 9, 12:42 AM 161 d ago | 16 km | – |
| 5.8 | 296 km WSW of Adak, Alaska · PAGER green | May 9, 12:42 AM 161 d ago | 37 km | – |
| 4.7 | 295 km WSW of Adak, Alaska | May 8, 4:03 PM 161 d ago | 35 km | – |
| 4.7 | 294 km WSW of Adak, Alaska | Apr 20, 5:54 AM 179 d ago | 35 km | – |
| 4.7 | Rat Islands, Aleutian Islands, Alaska | Dec 8, 11:29 PM 312 d ago | 19 km | – |
| 4.6 | Rat Islands, Aleutian Islands, Alaska | Sep 27, 3:48 AM 20 d ago | 47 km | – |
| 4.6 | Rat Islands, Aleutian Islands, Alaska | May 27, 1:57 AM 143 d ago | 28 km | – |
| 4.5 | Rat Islands, Aleutian Islands, Alaska | Apr 4, 5:39 AM 195 d ago | 22 km | – |
| 4.5 | Rat Islands, Aleutian Islands, Alaska | Nov 2, 3:19 PM 348 d ago | 42 km | – |
| 4.5 | 240 km WSW of Adak, Alaska | Oct 11, 9:51 AM 370 d ago | 35 km | – |
| 4.4 | 275 km W of Adak, Alaska | Oct 11, 8:16 AM 5 d ago | 95 km | – |
| 4.4 | 259 km WSW of Adak, Alaska | Sep 27, 6:30 AM 19 d ago | 18 km | – |
About this earthquake
How strong was the Rat Islands, Aleutian Islands, Alaska earthquake?
Magnitude 4.2 (mb), light – felt by most people nearby, rattling windows, rarely damage. Depth 18 km. Strongest estimated shaking: intensity 1.0 on the Modified Mercalli scale.
Was it felt?
No felt reports have been submitted to the USGS so far.
Were there aftershocks?
1 earthquakes within 100 km in the following two weeks are in our records, the strongest M4.5.
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.