18 Aug 2026, 04:33 UTC · Aug 18, 12:33 AM ET
M3.1 earthquake 97 km S of Atka, Alaska
A magnitude 3.1 earthquake struck 97 km S of Atka, Alaska at Aug 18, 12:33 AM ET, 10 km deep, minor – felt by people near the epicenter.
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under 33–44–55–66+
| Magnitude | 3.1 ml |
| Time | 18 Aug 2026, 04:33 UTC |
| Location | 51.316°, -174.209° – 97 km S of Atka, Alaska |
| Depth | 10.0 km |
| Felt reports | 0 |
| USGS event | us6000tllz |
Within 100 km
Other earthquakes nearby this year
| Mag. | Where | When (ET) | Depth | Felt |
|---|---|---|---|---|
| 5.8 | 103 km SE of Atka, Alaska · PAGER green | Jul 26, 4:35 AM 82 d ago | 12 km | – |
| 5.1 | 79 km SE of Atka, Alaska | Dec 1, 5:21 PM 319 d ago | 35 km | 2 reports |
| 5.0 | 89 km SSW of Atka, Alaska | Feb 27, 12:17 AM 232 d ago | 34 km | – |
| 4.9 | 86 km SSE of Atka, Alaska | Aug 1, 7:07 PM 76 d ago | 35 km | – |
| 4.9 | 102 km SE of Atka, Alaska | Jul 25, 5:03 PM 83 d ago | 20 km | – |
| 4.9 | 101 km SE of Atka, Alaska | Jul 23, 5:30 AM 85 d ago | 35 km | – |
| 4.8 | 118 km SSW of Atka, Alaska | Dec 24, 5:56 AM 296 d ago | 10 km | – |
| 4.6 | 89 km SE of Atka, Alaska | Aug 2, 1:18 AM 76 d ago | 40 km | – |
| 4.6 | 98 km SE of Atka, Alaska | Jul 23, 2:51 AM 86 d ago | 43 km | – |
| 4.5 | 76 km ESE of Atka, Alaska | Aug 8, 11:36 PM 69 d ago | 52 km | 1 report |
| 4.5 | 86 km S of Atka, Alaska | Sep 25, 7:40 AM 386 d ago | 16 km | – |
| 4.4 | 100 km SW of Atka, Alaska | Oct 8, 3:38 PM 373 d ago | 35 km | – |
FAQ
About this earthquake
How strong was the 97 km S of Atka, Alaska earthquake?
Magnitude 3.1 (ml), minor – felt by people near the epicenter. Depth 10 km.
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.
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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.