11 Aug 2026, 09:26 UTC · Aug 11, 5:26 AM ET

M3.9 earthquake 32 km WSW of Attu Station, Alaska

A magnitude 3.9 earthquake struck 32 km WSW of Attu Station, Alaska at Aug 11, 5:26 AM ET, 35 km deep, minor – felt by people near the epicenter.

under 33–44–55–66+

Magnitude	3.9 mb
Time	11 Aug 2026, 09:26 UTC
Location	52.708°, 172.757° – 32 km WSW of Attu Station, Alaska
Depth	35.0 km
Felt reports	0
Max. estimated intensity (MMI)	2.4
USGS event	us6000tjyx

Within 100 km

Other earthquakes nearby this year

Mag.	Where	When (ET)	Depth	Felt
4.3	84 km WNW of Attu Station, Alaska	Dec 27, 4:56 PM 293 d ago	38 km	–
4.0	75 km SSW of Attu Station, Alaska	Mar 27, 4:43 AM 204 d ago	10 km	–
3.9	125 km SSW of Attu Station, Alaska	Mar 1, 5:13 AM 229 d ago	10 km	–
3.9	61 km WSW of Attu Station, Alaska	Nov 15, 7:53 AM 335 d ago	36 km	–
3.2	84 km W of Attu Station, Alaska	Aug 8, 12:10 AM 70 d ago	35 km	–

FAQ

About this earthquake

How strong was the 32 km WSW of Attu Station, Alaska earthquake?

Magnitude 3.9 (mb), minor – felt by people near the epicenter. Depth 35 km. Strongest estimated shaking: intensity 2.4 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

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.