4 Oct 2025, 23:28 UTC · Oct 4, 7:28 PM ET
M3.7 earthquake 65 km SE of Unalaska, Alaska
A magnitude 3.7 earthquake struck 65 km SE of Unalaska, Alaska at Oct 4, 7:28 PM ET, 53 km deep, minor – felt by people near the epicenter.
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under 33–44–55–66+
| Magnitude | 3.7 mb |
| Time | 4 Oct 2025, 23:28 UTC |
| Location | 53.434°, -165.883° – 65 km SE of Unalaska, Alaska |
| Depth | 52.5 km |
| Felt reports | 0 |
| USGS event | us6000rj7t |
Within 100 km
Other earthquakes nearby this year
| Mag. | Where | When (ET) | Depth | Felt |
|---|---|---|---|---|
| 5.5 | 88 km SE of Akutan, Alaska · PAGER green | Apr 25, 4:05 AM 175 d ago | 24 km | 12 reports |
| 5.1 | 49 km S of Akutan, Alaska · tsunami flag | Oct 17, 11:48 AM 364 d ago | 85 km | 20 reports |
| 5.0 | 83 km SSW of Unalaska, Alaska | Jun 13, 6:38 AM 125 d ago | 53 km | 3 reports |
| 4.7 | 78 km SSE of Akutan, Alaska | May 4, 10:38 PM 165 d ago | 44 km | – |
| 4.5 | 30 km SSW of Unalaska, Alaska | Jul 12, 7:23 AM 96 d ago | 96 km | 15 reports |
| 4.4 | 82 km SE of Akutan, Alaska | Apr 26, 12:26 AM 174 d ago | 42 km | 1 report |
| 4.3 | 70 km SSE of Akutan, Alaska | Aug 20, 9:11 PM 57 d ago | 50 km | – |
| 4.2 | 70 km SSE of Akutan, Alaska | Feb 6, 6:32 PM 252 d ago | 43 km | – |
| 4.0 | 55 km SE of Unalaska, Alaska | Jan 18, 9:06 PM 271 d ago | 55 km | – |
| 3.9 | 43 km S of Unalaska, Alaska | Jun 11, 12:53 PM 127 d ago | 92 km | – |
| 3.8 | 41 km S of Unalaska, Alaska | Jul 14, 10:56 AM 94 d ago | 83 km | 1 report |
| 3.8 | 86 km SE of Akutan, Alaska | Apr 25, 11:31 PM 174 d ago | 35 km | – |
FAQ
About this earthquake
How strong was the 65 km SE of Unalaska, Alaska earthquake?
Magnitude 3.7 (mb), minor – felt by people near the epicenter. Depth 53 km.
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 M5.1.
Earthquakes
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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.