M5.0 earthquake 209 km WSW of Adak, Alaska
A magnitude 5.0 earthquake struck 209 km WSW of Adak, Alaska at Apr 18, 9:15 AM ET, 38 km deep, moderate – felt widely, some damage to weak buildings.
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| Magnitude | 5.0 mww |
| Time | 18 Apr 2026, 13:15 UTC |
| Location | 51.456°, -179.584° – 209 km WSW of Adak, Alaska |
| Depth | 37.7 km |
| Felt reports | 0 |
| Max. estimated intensity (MMI) | 5.1 |
| USGS event | us6000sr43 |
Other earthquakes nearby this year
| Mag. | Where | When (ET) | Depth | Felt |
|---|---|---|---|---|
| 6.1 | Rat Islands, Aleutian Islands, Alaska | May 9, 12:42 AM 161 d ago | 16 km | – |
| 5.8 | 296 km WSW of Adak, Alaska · PAGER green | May 9, 12:42 AM 161 d ago | 37 km | – |
| 5.1 | 149 km WSW of Adak, Alaska · tsunami flag | Sep 11, 6:47 AM 35 d ago | 37 km | – |
| 5.0 | 212 km WSW of Adak, Alaska · PAGER green | Jun 18, 9:58 AM 120 d ago | 31 km | – |
| 4.9 | 204 km WSW of Adak, Alaska | Jun 13, 7:24 AM 125 d ago | 48 km | – |
| 4.7 | 295 km WSW of Adak, Alaska | May 8, 4:03 PM 161 d ago | 35 km | – |
| 4.7 | 294 km WSW of Adak, Alaska | Apr 20, 5:54 AM 179 d ago | 35 km | – |
| 4.7 | 225 km W of Adak, Alaska | Feb 19, 1:37 AM 240 d ago | 127 km | – |
| 4.6 | Rat Islands, Aleutian Islands, Alaska | Sep 27, 3:48 AM 20 d ago | 47 km | – |
| 4.6 | 181 km WSW of Adak, Alaska | Apr 5, 5:19 AM 194 d ago | 35 km | – |
| 4.5 | 142 km WSW of Adak, Alaska | Jan 19, 7:32 PM 270 d ago | 35 km | – |
| 4.5 | 240 km WSW of Adak, Alaska | Oct 11, 9:51 AM 370 d ago | 35 km | – |
About this earthquake
How strong was the 209 km WSW of Adak, Alaska earthquake?
Magnitude 5.0 (mww), moderate – felt widely, some damage to weak buildings. Depth 38 km. Strongest estimated shaking: intensity 5.1 on the Modified Mercalli scale.
Was it felt?
No felt reports have been submitted to the USGS so far.
Were there aftershocks?
1 earthquakes within 100 km in the following two weeks are in our records, the strongest M4.7.
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.