20 Sept 2026, 05:02 UTC · Sep 20, 1:02 AM ET
M3.8 earthquake 159 km WSW of Nikolski, Alaska
A magnitude 3.8 earthquake struck 159 km WSW of Nikolski, Alaska at Sep 20, 1:02 AM ET, 106 km deep, minor – felt by people near the epicenter.
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under 33–44–55–66+
| Magnitude | 3.8 mb |
| Time | 20 Sept 2026, 05:02 UTC |
| Location | 52.437°, -171.078° – 159 km WSW of Nikolski, Alaska |
| Depth | 105.7 km |
| Felt reports | 0 |
| Max. estimated intensity (MMI) | 1.5 |
| USGS event | us6000txhz |
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 | – |
| 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 | – |
| 4.5 | 101 km WSW of Nikolski, Alaska | Sep 20, 9:55 AM 26 d ago | 92 km | – |
FAQ
About this earthquake
How strong was the 159 km WSW of Nikolski, Alaska earthquake?
Magnitude 3.8 (mb), minor – felt by people near the epicenter. Depth 106 km. Strongest estimated shaking: intensity 1.5 on the Modified Mercalli scale.
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 M4.5.
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.