21 Sept 2026, 10:00 UTC · Sep 21, 6:00 AM ET
M3.5 earthquake 167 km WSW of Nikolski, Alaska
A magnitude 3.5 earthquake struck 167 km WSW of Nikolski, Alaska at Sep 21, 6:00 AM ET, 110 km deep, minor – felt by people near the epicenter.
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under 33–44–55–66+
| Magnitude | 3.5 ml |
| Time | 21 Sept 2026, 10:00 UTC |
| Location | 52.156°, -170.974° – 167 km WSW of Nikolski, Alaska |
| Depth | 109.8 km |
| Felt reports | 0 |
| Max. estimated intensity (MMI) | 1.3 |
| USGS event | us7000tiy5 |
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 | 115 km SSW of Nikolski, Alaska | Feb 19, 9:38 AM 239 d ago | 10 km | – |
| 4.7 | 151 km SSW of Nikolski, Alaska | Jan 19, 9:33 PM 270 d ago | 10 km | – |
| 4.7 | 189 km WSW of Nikolski, Alaska · tsunami flag | Nov 9, 4:36 AM 341 d ago | 54 km | – |
FAQ
About this earthquake
How strong was the 167 km WSW of Nikolski, Alaska earthquake?
Magnitude 3.5 (ml), minor – felt by people near the epicenter. Depth 110 km. Strongest estimated shaking: intensity 1.3 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.