M5.1 earthquake 231 km ESE of Attu Station, Alaska
A magnitude 5.1 earthquake struck 231 km ESE of Attu Station, Alaska at Aug 23, 7:20 PM ET, 15 km deep, moderate – felt widely, some damage to weak buildings. 1 people reported feeling it.
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| Magnitude | 5.1 mww |
| Time | 23 Aug 2026, 23:20 UTC |
| Location | 52.217°, 176.431° – 231 km ESE of Attu Station, Alaska |
| Depth | 14.8 km |
| Felt reports | 1 |
| Max. estimated intensity (MMI) | 3.8 |
| USGS event | us6000tn19 |
Other earthquakes nearby this year
| Mag. | Where | When (ET) | Depth | Felt |
|---|---|---|---|---|
| 6.4 | 223 km ESE of Attu Station, Alaska · tsunami flag · PAGER green | Mar 4, 12:54 PM 226 d ago | 10 km | – |
| 5.9 | 280 km ESE of Attu Station, Alaska · tsunami flag · PAGER green | Jan 15, 3:52 AM 274 d ago | 19 km | – |
| 5.8 | 233 km ESE of Attu Station, Alaska · PAGER green | May 6, 10:15 AM 163 d ago | 10 km | – |
| 5.7 | 231 km ESE of Attu Station, Alaska · tsunami flag · PAGER green | Mar 6, 4:08 PM 224 d ago | 8 km | 1 report |
| 5.4 | 227 km ESE of Attu Station, Alaska · tsunami flag · PAGER green | Mar 4, 8:26 AM 226 d ago | 10 km | – |
| 5.3 | 229 km ESE of Attu Station, Alaska | Mar 17, 12:21 PM 213 d ago | 10 km | – |
| 5.3 | 229 km ESE of Attu Station, Alaska · tsunami flag | Mar 3, 5:44 AM 227 d ago | 10 km | – |
| 5.3 | 227 km ESE of Attu Station, Alaska · tsunami flag | Mar 2, 6:46 PM 228 d ago | 10 km | – |
| 5.2 | 226 km ESE of Attu Station, Alaska | Mar 24, 4:59 PM 206 d ago | 10 km | – |
| 5.1 | 233 km ESE of Attu Station, Alaska · tsunami flag | Mar 8, 6:41 PM 222 d ago | 4 km | – |
| 5.1 | 295 km ESE of Attu Station, Alaska · tsunami flag | Jan 23, 3:25 AM 266 d ago | 10 km | – |
| 5.0 | 221 km ESE of Attu Station, Alaska | Apr 3, 4:22 AM 196 d ago | 10 km | – |
About this earthquake
How strong was the 231 km ESE of Attu Station, Alaska earthquake?
Magnitude 5.1 (mww), moderate – felt widely, some damage to weak buildings. Depth 15 km. Strongest estimated shaking: intensity 3.8 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 3.1.
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.