25 Sept 2026, 12:37 UTC · Sep 25, 8:37 AM ET
M3.8 earthquake 136 km SW of Nikolski, Alaska
A magnitude 3.8 earthquake struck 136 km SW of Nikolski, Alaska at Sep 25, 8:37 AM ET, 23 km deep, minor – felt by people near the epicenter.
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under 33–44–55–66+
| Magnitude | 3.8 ml |
| Time | 25 Sept 2026, 12:37 UTC |
| Location | 52.123°, -170.358° – 136 km SW of Nikolski, Alaska |
| Depth | 23.3 km |
| Felt reports | 0 |
| Max. estimated intensity (MMI) | 2.3 |
| USGS event | aka2026tadcql |
Within 100 km
Other earthquakes nearby this year
| Mag. | Where | When (ET) | Depth | Felt |
|---|---|---|---|---|
| 6.3 | 89 km SSW of Nikolski, Alaska · tsunami flag · PAGER green | Sep 3, 7:17 AM 43 d ago | 21 km | 3 reports |
| 6.0 | 96 km SW of Nikolski, Alaska · tsunami flag · PAGER green | Feb 23, 12:11 AM 236 d ago | 14 km | 10 reports |
| 5.5 | 92 km S of Nikolski, Alaska · tsunami flag · PAGER green | Mar 5, 2:25 PM 225 d ago | 17 km | 1 report |
| 5.5 | 93 km SW of Nikolski, Alaska · tsunami flag · PAGER green | Feb 23, 5:02 AM 235 d ago | 8 km | – |
| 5.4 | 105 km SSW of Nikolski, Alaska · PAGER green | Sep 3, 4:21 PM 43 d ago | 10 km | – |
| 5.3 | 108 km SSW of Nikolski, Alaska | Sep 3, 2:45 PM 43 d ago | 10 km | – |
| 5.3 | 83 km SSW of Nikolski, Alaska · tsunami flag | Sep 1, 2:44 AM 46 d ago | 37 km | 3 reports |
| 5.3 | 167 km SW of Nikolski, Alaska | May 23, 5:49 PM 146 d ago | 10 km | – |
| 5.2 | 102 km SSW of Nikolski, Alaska · tsunami flag | Sep 3, 9:03 AM 43 d ago | 10 km | – |
| 5.2 | 88 km SSW of Nikolski, Alaska | Sep 2, 8:32 AM 44 d ago | 35 km | 1 report |
| 5.2 | 83 km SSW of Nikolski, Alaska | Sep 2, 1:14 AM 45 d ago | 35 km | – |
| 5.1 | 85 km SSW of Nikolski, Alaska | Sep 3, 7:24 AM 43 d ago | 46 km | – |
FAQ
About this earthquake
How strong was the 136 km SW of Nikolski, Alaska earthquake?
Magnitude 3.8 (ml), minor – felt by people near the epicenter. Depth 23 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.
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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.