M4.3 earthquake 185 km E of Atka, Alaska
A magnitude 4.3 earthquake struck 185 km E of Atka, Alaska at Nov 9, 9:20 AM ET, 50 km deep, light – felt by most people nearby, rattling windows, rarely damage.
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| Magnitude | 4.3 mb |
| Time | 9 Nov 2025, 14:20 UTC |
| Location | 52.355°, -171.494° – 185 km E of Atka, Alaska |
| Depth | 50.4 km |
| Felt reports | 0 |
| Max. estimated intensity (MMI) | 2.1 |
| USGS event | us6000rmhz |
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 |
| 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 | – |
| 4.8 | 174 km SW of Nikolski, Alaska | May 25, 1:18 AM 145 d ago | 21 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 | 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 | – |
| 4.4 | 121 km E of Atka, Alaska | Nov 30, 7:24 AM 320 d ago | 73 km | – |
| 4.2 | 197 km SW of Nikolski, Alaska | Feb 9, 12:37 AM 250 d ago | 21 km | – |
| 4.2 | 133 km E of Atka, Alaska | Jan 12, 5:28 PM 277 d ago | 41 km | – |
About this earthquake
How strong was the 185 km E of Atka, Alaska earthquake?
Magnitude 4.3 (mb), light – felt by most people nearby, rattling windows, rarely damage. Depth 50 km. Strongest estimated shaking: intensity 2.1 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.
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.