M4.9 earthquake 57 km SSE of Adak, Alaska
A magnitude 4.9 earthquake struck 57 km SSE of Adak, Alaska at Dec 15, 1:03 PM ET, 42 km deep, light – felt by most people nearby, rattling windows, rarely damage. 6 people reported feeling it.
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| Magnitude | 4.9 mww |
| Time | 15 Dec 2025, 18:03 UTC |
| Location | 51.383°, -176.376° – 57 km SSE of Adak, Alaska |
| Depth | 42.4 km |
| Felt reports | 6 |
| Max. estimated intensity (MMI) | 4.6 |
| USGS event | us6000rv18 |
Other earthquakes nearby this year
| Mag. | Where | When (ET) | Depth | Felt |
|---|---|---|---|---|
| 5.5 | 67 km SSW of Adak, Alaska · PAGER green | Nov 23, 3:21 AM 328 d ago | 33 km | 3 reports |
| 5.3 | 39 km E of Adak, Alaska · tsunami flag | Jan 24, 4:25 PM 265 d ago | 61 km | 3 reports |
| 5.1 | 93 km SSE of Adak, Alaska | Jul 23, 9:03 PM 85 d ago | 10 km | – |
| 5.1 | 40 km E of Adak, Alaska | Feb 1, 7:43 AM 257 d ago | 62 km | 1 report |
| 4.9 | 43 km E of Adak, Alaska | May 27, 8:25 PM 142 d ago | 64 km | 1 report |
| 4.9 | 47 km SE of Adak, Alaska | Oct 25, 6:13 AM 356 d ago | 57 km | 1 report |
| 4.9 | 71 km SSW of Adak, Alaska | Oct 20, 2:45 PM 361 d ago | 37 km | 2 reports |
| 4.5 | 92 km SSE of Adak, Alaska | Jun 4, 1:50 PM 134 d ago | 31 km | – |
| 4.5 | 27 km S of Adak, Alaska | Mar 24, 12:43 PM 206 d ago | 54 km | 1 report |
| 4.4 | 100 km SW of Atka, Alaska | Oct 8, 3:38 PM 373 d ago | 35 km | – |
| 4.2 | 28 km SSE of Adak, Alaska | Jan 15, 10:50 AM 274 d ago | 52 km | – |
| 4.1 | 93 km SW of Atka, Alaska | Oct 3, 12:06 PM 13 d ago | 50 km | – |
About this earthquake
How strong was the 57 km SSE of Adak, Alaska earthquake?
Magnitude 4.9 (mww), light – felt by most people nearby, rattling windows, rarely damage. Depth 42 km. Strongest estimated shaking: intensity 4.6 on the Modified Mercalli scale.
Was it felt?
6 people reported feeling it to the USGS "Did You Feel It?" survey; the highest reported intensity was 3.4.
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.