M4.0 earthquake 63 km ENE of Adak, Alaska
A magnitude 4.0 earthquake struck 63 km ENE of Adak, Alaska at Apr 6, 8:55 PM ET, 153 km deep, light – felt by most people nearby, rattling windows, rarely damage.
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| Magnitude | 4.0 mb |
| Time | 7 Apr 2026, 00:55 UTC |
| Location | 52.035°, -175.755° – 63 km ENE of Adak, Alaska |
| Depth | 152.7 km |
| Felt reports | 0 |
| Max. estimated intensity (MMI) | 1.0 |
| USGS event | us6000sn5f |
Other earthquakes nearby this year
| Mag. | Where | When (ET) | Depth | Felt |
|---|---|---|---|---|
| 5.3 | 39 km E of Adak, Alaska · tsunami flag | Jan 24, 4:25 PM 265 d ago | 61 km | 3 reports |
| 5.1 | 40 km E of Adak, Alaska | Feb 1, 7:43 AM 257 d ago | 62 km | 1 report |
| 5.0 | 89 km SSW of Atka, Alaska | Feb 27, 12:17 AM 232 d ago | 34 km | – |
| 5.0 | 74 km NE of Adak, Alaska | Feb 10, 6:09 PM 248 d ago | 157 km | 1 report |
| 4.9 | 43 km E of Adak, Alaska | May 27, 8:25 PM 142 d ago | 64 km | 1 report |
| 4.9 | 57 km SSE of Adak, Alaska | Dec 15, 1:03 PM 305 d ago | 42 km | 6 reports |
| 4.9 | 47 km SE of Adak, Alaska | Oct 25, 6:13 AM 356 d ago | 57 km | 1 report |
| 4.5 | 82 km NNE of Adak, Alaska | Jul 7, 2:07 PM 101 d ago | 174 km | – |
| 4.5 | 27 km S of Adak, Alaska | Mar 24, 12:43 PM 206 d ago | 54 km | 1 report |
| 4.4 | 100 km SW of Atka, Alaska | Oct 8, 3:38 PM 373 d ago | 35 km | – |
| 4.2 | 28 km SSE of Adak, Alaska | Jan 15, 10:50 AM 274 d ago | 52 km | – |
| 4.1 | 93 km SW of Atka, Alaska | Oct 3, 12:06 PM 13 d ago | 50 km | – |
About this earthquake
How strong was the 63 km ENE of Adak, Alaska earthquake?
Magnitude 4.0 (mb), light – felt by most people nearby, rattling windows, rarely damage. Depth 153 km. Strongest estimated shaking: intensity 1.0 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.