M4.0 earthquake 31 km E of Nikolski, Alaska
A magnitude 4.0 earthquake struck 31 km E of Nikolski, Alaska at Nov 5, 4:05 PM ET, 56 km deep, light – felt by most people nearby, rattling windows, rarely damage.
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| Magnitude | 4.0 mb |
| Time | 5 Nov 2025, 21:05 UTC |
| Location | 52.927°, -168.389° – 31 km E of Nikolski, Alaska |
| Depth | 55.8 km |
| Felt reports | 0 |
| Max. estimated intensity (MMI) | 2.3 |
| USGS event | us6000rlrn |
Other earthquakes nearby this year
| Mag. | Where | When (ET) | Depth | Felt |
|---|---|---|---|---|
| 5.5 | 92 km S of Nikolski, Alaska · tsunami flag · PAGER green | Mar 5, 2:25 PM 226 d ago | 17 km | 1 report |
| 5.2 | 83 km SSW of Nikolski, Alaska | Sep 2, 1:14 AM 46 d ago | 35 km | – |
| 5.1 | 85 km SSW of Nikolski, Alaska | Sep 3, 7:24 AM 44 d ago | 46 km | – |
| 5.0 | 67 km SSW of Nikolski, Alaska | Sep 3, 4:22 PM 44 d ago | 42 km | – |
| 5.0 | 83 km SSW of Unalaska, Alaska | Jun 13, 6:38 AM 126 d ago | 53 km | 3 reports |
| 5.0 | 54 km ENE of Nikolski, Alaska · tsunami flag | Nov 25, 12:16 PM 326 d ago | 66 km | 10 reports |
| 4.8 | 73 km SSE of Nikolski, Alaska | Apr 23, 9:01 PM 177 d ago | 32 km | – |
| 4.6 | 81 km SSW of Nikolski, Alaska | Sep 1, 9:47 AM 46 d ago | 35 km | – |
| 4.5 | 83 km SSW of Nikolski, Alaska | Sep 3, 11:42 AM 44 d ago | 35 km | – |
| 4.4 | 63 km SSE of Nikolski, Alaska | Jun 1, 12:40 PM 138 d ago | 37 km | – |
| 4.4 | 43 km ESE of Nikolski, Alaska | Dec 11, 11:23 AM 310 d ago | 35 km | – |
| 4.1 | 85 km E of Nikolski, Alaska | Feb 12, 10:35 PM 247 d ago | 35 km | – |
About this earthquake
How strong was the 31 km E of Nikolski, Alaska earthquake?
Magnitude 4.0 (mb), light – felt by most people nearby, rattling windows, rarely damage. Depth 56 km. Strongest estimated shaking: intensity 2.3 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.