20 Sept 2026, 23:43 UTC · Sep 20, 7:43 PM ET
M3.1 earthquake 146 km WSW of Nikolski, Alaska
A magnitude 3.1 earthquake struck 146 km WSW of Nikolski, Alaska at Sep 20, 7:43 PM ET, 51 km deep, minor – felt by people near the epicenter.
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under 33–44–55–66+
| Magnitude | 3.1 ml |
| Time | 20 Sept 2026, 23:43 UTC |
| Location | 52.479°, -170.896° – 146 km WSW of Nikolski, Alaska |
| Depth | 51.3 km |
| Felt reports | 0 |
| USGS event | us6000txqr |
Within 100 km
Other earthquakes nearby this year
| Mag. | Where | When (ET) | Depth | Felt |
|---|---|---|---|---|
| 6.5 | 177 km W of Nikolski, Alaska · tsunami flag · PAGER green | Sep 17, 10:19 AM 29 d ago | 98 km | 8 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 |
| 5.6 | 172 km ENE of Atka, Alaska · PAGER green | May 22, 8:16 AM 147 d ago | 15 km | – |
| 5.5 | 93 km SW of Nikolski, Alaska · tsunami flag · PAGER green | Feb 23, 5:02 AM 235 d ago | 8 km | – |
| 5.3 | 167 km SW of Nikolski, Alaska | May 23, 5:49 PM 146 d ago | 10 km | – |
| 5.0 | 92 km SSW of Nikolski, Alaska | Sep 3, 8:39 AM 43 d ago | 35 km | 2 reports |
| 4.9 | 168 km E of Atka, Alaska · PAGER green | May 18, 5:37 PM 151 d ago | 10 km | – |
| 4.8 | 174 km SW of Nikolski, Alaska | May 25, 1:18 AM 145 d ago | 21 km | – |
| 4.8 | 163 km SW of Nikolski, Alaska | May 24, 5:45 AM 145 d ago | 10 km | – |
| 4.7 | 172 km E of Atka, Alaska | Apr 10, 8:39 PM 189 d ago | 63 km | – |
| 4.7 | 189 km WSW of Nikolski, Alaska · tsunami flag | Nov 9, 4:36 AM 341 d ago | 54 km | – |
| 4.6 | 89 km SW of Nikolski, Alaska | Sep 1, 3:46 AM 46 d ago | 45 km | – |
FAQ
About this earthquake
How strong was the 146 km WSW of Nikolski, Alaska earthquake?
Magnitude 3.1 (ml), minor – felt by people near the epicenter. Depth 51 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.
Earthquakes
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.