21 Mar 2026, 17:30 UTC · Mar 21, 1:30 PM ET
M3.8 earthquake 146 km S of False Pass, Alaska
A magnitude 3.8 earthquake struck 146 km S of False Pass, Alaska at Mar 21, 1:30 PM ET, 25 km deep, minor – felt by people near the epicenter.
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under 33–44–55–66+
| Magnitude | 3.8 mb |
| Time | 21 Mar 2026, 17:30 UTC |
| Location | 53.553°, -163.027° – 146 km S of False Pass, Alaska |
| Depth | 25.1 km |
| Felt reports | 0 |
| Max. estimated intensity (MMI) | 1.3 |
| USGS event | us6000si89 |
Within 100 km
Other earthquakes nearby this year
| Mag. | Where | When (ET) | Depth | Felt |
|---|---|---|---|---|
| 5.4 | 93 km SE of False Pass, Alaska · PAGER green | Jul 14, 2:51 PM 94 d ago | 49 km | 7 reports |
| 5.2 | 105 km SSE of False Pass, Alaska | Jul 14, 8:12 AM 94 d ago | 35 km | 6 reports |
| 5.1 | 93 km S of King Cove, Alaska | Apr 12, 4:14 PM 187 d ago | 35 km | 6 reports |
| 5.0 | 244 km SSE of False Pass, Alaska · PAGER green | Sep 20, 5:06 PM 26 d ago | 10 km | – |
| 4.9 | 89 km SE of False Pass, Alaska | Apr 10, 8:50 AM 189 d ago | 27 km | – |
| 4.8 | 127 km S of False Pass, Alaska | Oct 1, 10:46 AM 15 d ago | 35 km | – |
| 4.8 | 201 km SE of Akutan, Alaska | Aug 27, 10:30 AM 50 d ago | 10 km | – |
| 4.7 | 84 km S of King Cove, Alaska | May 13, 10:53 PM 156 d ago | 48 km | – |
| 4.7 | 144 km SE of Akutan, Alaska | Dec 7, 6:13 AM 313 d ago | 35 km | – |
| 4.6 | 85 km SSE of False Pass, Alaska | May 3, 3:20 PM 166 d ago | 41 km | 2 reports |
| 4.5 | 89 km S of False Pass, Alaska | Sep 11, 3:31 AM 36 d ago | 50 km | – |
| 4.4 | 140 km SE of Akutan, Alaska | Nov 25, 9:20 AM 325 d ago | 17 km | – |
FAQ
About this earthquake
How strong was the 146 km S of False Pass, Alaska earthquake?
Magnitude 3.8 (mb), minor – felt by people near the epicenter. Depth 25 km. Strongest estimated shaking: intensity 1.3 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.
Earthquakes
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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.