21 Dec 2025, 04:46 UTC · Dec 20, 11:46 PM ET
M3.6 earthquake 29 km W of Elfin Cove, Alaska
A magnitude 3.6 earthquake struck 29 km W of Elfin Cove, Alaska at Dec 20, 11:46 PM ET, 10 km deep, minor – felt by people near the epicenter.
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under 33–44–55–66+
| Magnitude | 3.6 ml |
| Time | 21 Dec 2025, 04:46 UTC |
| Location | 58.227°, -136.849° – 29 km W of Elfin Cove, Alaska |
| Depth | 10.0 km |
| Felt reports | 0 |
| Max. estimated intensity (MMI) | 3.0 |
| USGS event | ak2025zaeosi |
Within 100 km
Other earthquakes nearby this year
| Mag. | Where | When (ET) | Depth | Felt |
|---|---|---|---|---|
| 4.0 | 26 km WSW of Pelican, Alaska | Apr 10, 12:43 PM 189 d ago | 8 km | 9 reports |
| 4.0 | 28 km WNW of Elfin Cove, Alaska · tsunami flag · PAGER green | Dec 18, 7:53 PM 302 d ago | 5 km | – |
| 3.8 | 41 km WNW of Elfin Cove, Alaska | Jan 16, 1:35 PM 273 d ago | 5 km | – |
| 3.7 | 24 km WSW of Pelican, Alaska | Apr 17, 6:04 PM 182 d ago | 13 km | 5 reports |
| 3.6 | 86 km NW of Elfin Cove, Alaska | Nov 28, 5:00 PM 322 d ago | 10 km | – |
| 3.5 | 29 km WNW of Elfin Cove, Alaska | Dec 30, 1:00 AM 291 d ago | 3 km | – |
| 3.4 | 63 km WSW of Elfin Cove, Alaska | Sep 15, 9:10 AM 31 d ago | 5 km | – |
| 3.4 | 32 km WNW of Elfin Cove, Alaska | Dec 30, 12:23 AM 291 d ago | 5 km | – |
| 3.3 | 78 km SW of Covenant Life, Alaska | Aug 29, 7:10 AM 48 d ago | 5 km | 1 report |
| 3.2 | 61 km WSW of Pelican, Alaska | Jul 28, 3:19 PM 80 d ago | 17 km | – |
| 3.2 | 113 km WSW of Pelican, Alaska | Apr 26, 10:57 PM 173 d ago | 4 km | – |
| 3.1 | 48 km SSW of Covenant Life, Alaska | Aug 20, 12:14 PM 57 d ago | 2 km | – |
FAQ
About this earthquake
How strong was the 29 km W of Elfin Cove, Alaska earthquake?
Magnitude 3.6 (ml), minor – felt by people near the epicenter. Depth 10 km. Strongest estimated shaking: intensity 3.0 on the Modified Mercalli scale.
Was it felt?
No felt reports have been submitted to the USGS so far.
Were there aftershocks?
2 earthquakes within 100 km in the following two weeks are in our records, the strongest M3.5.
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.