M4.3 earthquake 70 km SSE of Akutan, Alaska
A magnitude 4.3 earthquake struck 70 km SSE of Akutan, Alaska at Aug 20, 9:11 PM ET, 50 km deep, light – felt by most people nearby, rattling windows, rarely damage.
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| Magnitude | 4.3 mwr |
| Time | 21 Aug 2026, 01:11 UTC |
| Location | 53.572°, -165.270° – 70 km SSE of Akutan, Alaska |
| Depth | 50.1 km |
| Felt reports | 0 |
| Max. estimated intensity (MMI) | 2.8 |
| USGS event | us6000tmcf |
Other earthquakes nearby this year
| Mag. | Where | When (ET) | Depth | Felt |
|---|---|---|---|---|
| 5.5 | 88 km SE of Akutan, Alaska · PAGER green | Apr 25, 4:05 AM 175 d ago | 24 km | 12 reports |
| 5.1 | 49 km S of Akutan, Alaska · tsunami flag | Oct 17, 11:48 AM 364 d ago | 85 km | 20 reports |
| 4.7 | 78 km SSE of Akutan, Alaska | May 4, 10:38 PM 165 d ago | 44 km | – |
| 4.7 | 144 km SE of Akutan, Alaska | Dec 7, 6:13 AM 313 d ago | 35 km | – |
| 4.5 | 30 km SSW of Unalaska, Alaska | Jul 12, 7:23 AM 96 d ago | 96 km | 15 reports |
| 4.4 | 82 km SE of Akutan, Alaska | Apr 26, 12:26 AM 174 d ago | 42 km | 1 report |
| 4.4 | 140 km SE of Akutan, Alaska | Nov 25, 9:20 AM 325 d ago | 17 km | – |
| 4.2 | 70 km SSE of Akutan, Alaska | Feb 6, 6:32 PM 252 d ago | 43 km | – |
| 4.0 | 55 km SE of Unalaska, Alaska | Jan 18, 9:06 PM 271 d ago | 55 km | – |
| 4.0 | 125 km SSW of False Pass, Alaska | Oct 10, 10:46 AM 371 d ago | 10 km | – |
| 3.9 | 43 km S of Unalaska, Alaska | Jun 11, 12:53 PM 127 d ago | 92 km | – |
| 3.9 | 132 km SE of Akutan, Alaska | Mar 12, 7:42 AM 218 d ago | 35 km | – |
About this earthquake
How strong was the 70 km SSE of Akutan, Alaska earthquake?
Magnitude 4.3 (mwr), light – felt by most people nearby, rattling windows, rarely damage. Depth 50 km. Strongest estimated shaking: intensity 2.8 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.
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.