3 Aug 2026, 04:32 UTC · Aug 3, 12:32 AM ET

M3.8 earthquake 24 km NW of Atka, Alaska

A magnitude 3.8 earthquake struck 24 km NW of Atka, Alaska at Aug 3, 12:32 AM ET, 179 km deep, minor – felt by people near the epicenter.

under 33–44–55–66+

Magnitude	3.8 mb
Time	3 Aug 2026, 04:32 UTC
Location	52.356°, -174.453° – 24 km NW of Atka, Alaska
Depth	179.2 km
Felt reports	0
Max. estimated intensity (MMI)	1.0
USGS event	us6000tht0

Within 100 km

Other earthquakes nearby this year

Mag.	Where	When (ET)	Depth	Felt
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
4.3	104 km NNE of Atka, Alaska	Jun 19, 2:25 PM 119 d ago	233 km	–
4.1	93 km SW of Atka, Alaska	Oct 3, 12:06 PM 13 d ago	50 km	–
4.1	34 km ESE of Atka, Alaska	Feb 24, 2:06 PM 234 d ago	66 km	–
4.0	63 km ENE of Adak, Alaska	Apr 6, 8:55 PM 193 d ago	153 km	–
4.0	78 km N of Atka, Alaska	Jan 24, 11:01 AM 265 d ago	218 km	–
4.0	95 km SW of Atka, Alaska	Dec 27, 5:08 PM 293 d ago	45 km	–
3.9	66 km ENE of Adak, Alaska	Apr 17, 5:00 PM 182 d ago	145 km	–
3.9	79 km NE of Adak, Alaska	Oct 1, 6:40 PM 380 d ago	222 km	–
3.9	83 km SW of Atka, Alaska	Sep 28, 9:38 AM 383 d ago	35 km	–
3.8	65 km SSE of Atka, Alaska	Aug 11, 1:53 AM 67 d ago	60 km	–

FAQ

About this earthquake

How strong was the 24 km NW of Atka, Alaska earthquake?

Magnitude 3.8 (mb), minor – felt by people near the epicenter. Depth 179 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?

1 earthquakes within 100 km in the following two weeks are in our records, the strongest M3.8.

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.