30 Sept 2025, 20:55 UTC · Sep 30, 4:55 PM ET
M3.7 earthquake 89 km E of Nikolski, Alaska
A magnitude 3.7 earthquake struck 89 km E of Nikolski, Alaska at Sep 30, 4:55 PM ET, 82 km deep, minor – felt by people near the epicenter.
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under 33–44–55–66+
| Magnitude | 3.7 mb |
| Time | 30 Sept 2025, 20:55 UTC |
| Location | 53.030°, -167.544° – 89 km E of Nikolski, Alaska |
| Depth | 81.7 km |
| Felt reports | 0 |
| USGS event | us6000rdx0 |
Within 100 km
Other earthquakes nearby this year
| Mag. | Where | When (ET) | Depth | Felt |
|---|---|---|---|---|
| 5.0 | 83 km SSW of Unalaska, Alaska | Jun 13, 6:38 AM 125 d ago | 53 km | 3 reports |
| 5.0 | 54 km ENE of Nikolski, Alaska · tsunami flag | Nov 25, 12:16 PM 325 d ago | 66 km | 10 reports |
| 4.8 | 73 km SSE of Nikolski, Alaska | Apr 23, 9:01 PM 176 d ago | 32 km | – |
| 4.5 | 30 km SSW of Unalaska, Alaska | Jul 12, 7:23 AM 96 d ago | 96 km | 15 reports |
| 4.4 | 43 km ESE of Nikolski, Alaska | Dec 11, 11:23 AM 309 d ago | 35 km | – |
| 4.1 | 85 km E of Nikolski, Alaska | Feb 12, 10:35 PM 246 d ago | 35 km | – |
| 4.0 | 81 km E of Nikolski, Alaska | Jan 6, 7:18 AM 283 d ago | 42 km | – |
| 4.0 | 31 km E of Nikolski, Alaska | Nov 5, 4:05 PM 345 d ago | 56 km | – |
| 3.9 | 43 km S of Unalaska, Alaska | Jun 11, 12:53 PM 127 d ago | 92 km | – |
| 3.9 | 56 km ENE of Nikolski, Alaska | Jan 2, 2:45 PM 287 d ago | 62 km | – |
| 3.9 | 40 km ESE of Nikolski, Alaska | Jan 2, 9:34 AM 287 d ago | 44 km | – |
| 3.8 | 41 km S of Unalaska, Alaska | Jul 14, 10:56 AM 94 d ago | 83 km | 1 report |
FAQ
About this earthquake
How strong was the 89 km E of Nikolski, Alaska earthquake?
Magnitude 3.7 (mb), minor – felt by people near the epicenter. Depth 82 km.
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.
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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.