M6.5 earthquake 177 km W of Nikolski, Alaska
A magnitude 6.5 earthquake struck 177 km W of Nikolski, Alaska at Sep 17, 10:19 AM ET, 98 km deep, strong – damage in populated areas near the epicenter. 8 people reported feeling it.
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| Magnitude | 6.5 mww |
| Time | 17 Sept 2026, 14:19 UTC |
| Location | 52.956°, -171.503° – 177 km W of Nikolski, Alaska |
| Depth | 98.0 km |
| Felt reports | 8 |
| Max. estimated intensity (MMI) | 4.8 |
| PAGER alert | green |
| USGS event | us7000ti1p |
Other earthquakes nearby this year
| Mag. | Where | When (ET) | Depth | Felt |
|---|---|---|---|---|
| 5.6 | 172 km ENE of Atka, Alaska · PAGER green | May 22, 8:16 AM 147 d ago | 15 km | – |
| 4.9 | 168 km E of Atka, Alaska · PAGER green | May 18, 5:37 PM 151 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 | – |
| 4.5 | 101 km WSW of Nikolski, Alaska | Sep 20, 9:55 AM 26 d ago | 92 km | – |
| 4.4 | 90 km W of Nikolski, Alaska | Jun 25, 7:05 PM 113 d ago | 64 km | – |
| 4.4 | 171 km E of Atka, Alaska | May 22, 4:10 PM 147 d ago | 21 km | – |
| 4.4 | 167 km E of Atka, Alaska | May 22, 8:46 AM 147 d ago | 10 km | – |
| 4.3 | 185 km E of Atka, Alaska | Nov 9, 9:20 AM 341 d ago | 50 km | – |
| 4.1 | 171 km W of Nikolski, Alaska | Sep 17, 10:39 AM 29 d ago | 104 km | – |
| 3.9 | 165 km WSW of Nikolski, Alaska | Sep 21, 8:44 PM 25 d ago | 121 km | – |
| 3.9 | 168 km WSW of Nikolski, Alaska | Sep 16, 4:28 AM 30 d ago | 95 km | – |
About this earthquake
How strong was the 177 km W of Nikolski, Alaska earthquake?
Magnitude 6.5 (mww), strong – damage in populated areas near the epicenter. Depth 98 km. Strongest estimated shaking: intensity 4.8 on the Modified Mercalli scale.
Was it felt?
8 people reported feeling it to the USGS "Did You Feel It?" survey; the highest reported intensity was 3.4.
Were there aftershocks?
3 earthquakes within 100 km in the following two weeks are in our records, the strongest M4.5.
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.