10 Mar 2026, 06:13 UTC · Mar 10, 2:13 AM ET

M3.9 earthquake 265 km SSW of Adak, Alaska

A magnitude 3.9 earthquake struck 265 km SSW of Adak, Alaska at Mar 10, 2:13 AM ET, 10 km deep, minor – felt by people near the epicenter.

under 33–44–55–66+

Magnitude	3.9 mb
Time	10 Mar 2026, 06:13 UTC
Location	49.881°, -178.697° – 265 km SSW of Adak, Alaska
Depth	10.0 km
Felt reports	0
Max. estimated intensity (MMI)	3.7
USGS event	us7000s3e5

Within 100 km

Other earthquakes nearby this year

Mag.	Where	When (ET)	Depth	Felt
3.6	265 km SW of Adak, Alaska	Jul 28, 6:18 PM 80 d ago	10 km	–
3.6	Andreanof Islands, Aleutian Islands, Alaska	May 19, 5:55 PM 150 d ago	10 km	–
3.5	215 km SSW of Adak, Alaska	Jul 3, 11:48 AM 105 d ago	10 km	–
3.5	276 km SW of Adak, Alaska	Jul 3, 1:09 AM 106 d ago	10 km	–
3.1	290 km SW of Adak, Alaska	May 7, 5:34 AM 163 d ago	10 km	–
3.1	256 km SSW of Adak, Alaska	Mar 27, 5:15 PM 203 d ago	10 km	–
3.0	230 km SSW of Adak, Alaska	Sep 8, 2:59 PM 38 d ago	10 km	–
2.9	south of the Aleutian Islands	Sep 12, 2:26 PM 34 d ago	20 km	–
2.9	234 km SW of Adak, Alaska	May 8, 5:50 AM 162 d ago	10 km	–
2.9	289 km SW of Adak, Alaska	Mar 13, 1:05 AM 218 d ago	25 km	–
2.9	229 km SW of Adak, Alaska	Mar 10, 1:17 AM 221 d ago	10 km	–
2.8	261 km SSW of Adak, Alaska	Sep 14, 9:27 PM 32 d ago	10 km	–

FAQ

About this earthquake

How strong was the 265 km SSW of Adak, Alaska earthquake?

Magnitude 3.9 (mb), minor – felt by people near the epicenter. Depth 10 km. Strongest estimated shaking: intensity 3.7 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 M2.9.

Earthquakes

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.