21 Oct 2025, 23:46 UTC · Oct 21, 7:46 PM ET
M3.5 earthquake 56 km W of Karluk, Alaska
A magnitude 3.5 earthquake struck 56 km W of Karluk, Alaska at Oct 21, 7:46 PM ET, 0 km deep, minor – felt by people near the epicenter.
Share
under 33–44–55–66+
| Magnitude | 3.5 ml |
| Time | 21 Oct 2025, 23:46 UTC |
| Location | 57.648°, -155.393° – 56 km W of Karluk, Alaska |
| Depth | 0.0 km |
| Felt reports | 0 |
| Max. estimated intensity (MMI) | 2.7 |
| USGS event | ak025dilyvw7 |
Within 100 km
Other earthquakes nearby this year
| Mag. | Where | When (ET) | Depth | Felt |
|---|---|---|---|---|
| 4.6 | 57 km W of Karluk, Alaska | Oct 2, 3:13 AM 380 d ago | 4 km | 2 reports |
| 4.5 | 41 km SW of Karluk, Alaska | Aug 17, 4:35 PM 60 d ago | 58 km | 6 reports |
| 4.0 | 84 km W of Akhiok, Alaska | Apr 3, 10:27 PM 196 d ago | 20 km | – |
| 4.0 | 18 km N of Larsen Bay, Alaska | Mar 24, 1:36 AM 207 d ago | 29 km | 3 reports |
| 3.9 | 70 km SE of Ugashik, Alaska | Apr 18, 2:53 PM 181 d ago | 80 km | – |
| 3.9 | 45 km SE of Egegik, Alaska | Feb 13, 8:52 AM 245 d ago | 169 km | – |
| 3.9 | 58 km SSE of King Salmon, Alaska | Oct 16, 12:39 PM 365 d ago | 153 km | – |
| 3.7 | 37 km SW of Karluk, Alaska | Sep 22, 4:48 AM 24 d ago | 51 km | 1 report |
| 3.7 | 32 km SSW of Karluk, Alaska | Apr 8, 9:16 PM 191 d ago | 20 km | – |
| 3.6 | 76 km W of Akhiok, Alaska | Jul 14, 3:51 AM 95 d ago | 20 km | – |
| 3.5 | 52 km E of Egegik, Alaska | Apr 8, 3:12 AM 192 d ago | 3 km | – |
| 3.5 | 13 km WNW of Larsen Bay, Alaska | Mar 13, 7:00 AM 217 d ago | 47 km | 1 report |
FAQ
About this earthquake
How strong was the 56 km W of Karluk, Alaska earthquake?
Magnitude 3.5 (ml), minor – felt by people near the epicenter. Depth 0 km. Strongest estimated shaking: intensity 2.7 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.
Earthquakes
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.