M4.5 earthquake 76 km ESE of Atka, Alaska
A magnitude 4.5 earthquake struck 76 km ESE of Atka, Alaska at Aug 8, 11:36 PM ET, 52 km deep, light – felt by most people nearby, rattling windows, rarely damage. 1 people reported feeling it.
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| Magnitude | 4.5 mwr |
| Time | 9 Aug 2026, 03:36 UTC |
| Location | 51.848°, -173.231° – 76 km ESE of Atka, Alaska |
| Depth | 51.8 km |
| Felt reports | 1 |
| Max. estimated intensity (MMI) | 4.0 |
| USGS event | us6000tjcn |
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 |
| 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 | – |
| 4.6 | 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 | 86 km S of Atka, Alaska | Sep 25, 7:40 AM 386 d ago | 16 km | – |
| 4.4 | 93 km ENE of Atka, Alaska | Feb 24, 10:34 PM 234 d ago | 157 km | 2 reports |
| 4.4 | 121 km E of Atka, Alaska | Nov 30, 7:24 AM 320 d ago | 73 km | – |
| 4.3 | 87 km SSE of Atka, Alaska | Aug 4, 10:57 AM 73 d ago | 33 km | – |
| 4.3 | 85 km SE of Atka, Alaska | Jul 26, 9:18 AM 82 d ago | 39 km | – |
About this earthquake
How strong was the 76 km ESE of Atka, Alaska earthquake?
Magnitude 4.5 (mwr), light – felt by most people nearby, rattling windows, rarely damage. Depth 52 km. Strongest estimated shaking: intensity 4.0 on the Modified Mercalli scale.
Was it felt?
1 people reported feeling it to the USGS "Did You Feel It?" survey; the highest reported intensity was 2.7.
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.