1 Aug 2026, 08:34 UTC · Aug 1, 4:34 AM ET

M3.1 earthquake 193 km SSE of Unalaska, Alaska

A magnitude 3.1 earthquake struck 193 km SSE of Unalaska, Alaska at Aug 1, 4:34 AM ET, 10 km deep, minor – felt by people near the epicenter.

under 33–44–55–66+

Magnitude	3.1 ml
Time	1 Aug 2026, 08:34 UTC
Location	52.171°, -165.942° – 193 km SSE of Unalaska, Alaska
Depth	10.0 km
Felt reports	0
USGS event	us6000tig5

Within 100 km

Other earthquakes nearby this year

Mag.	Where	When (ET)	Depth	Felt
3.8	167 km SE of Nikolski, Alaska	Dec 18, 10:06 PM 302 d ago	10 km	–
3.5	175 km SE of Unalaska, Alaska	May 11, 10:10 AM 158 d ago	19 km	–
3.5	155 km SE of Nikolski, Alaska	Dec 28, 11:24 AM 292 d ago	10 km	–
3.4	123 km S of Unalaska, Alaska	Jan 30, 10:40 AM 259 d ago	20 km	–
3.4	195 km S of Unalaska, Alaska	Jan 28, 6:49 PM 261 d ago	10 km	–
3.2	130 km ESE of Nikolski, Alaska	May 20, 2:02 AM 150 d ago	10 km	–
3.2	200 km ESE of Nikolski, Alaska	Oct 2, 12:58 PM 379 d ago	10 km	–
3.0	186 km SSE of Unalaska, Alaska	Sep 27, 5:23 AM 19 d ago	20 km	–
3.0	134 km S of Unalaska, Alaska	Aug 30, 1:24 AM 48 d ago	10 km	–
3.0	131 km S of Unalaska, Alaska	Aug 11, 8:43 AM 66 d ago	16 km	–
3.0	107 km SSE of Unalaska, Alaska	Jun 28, 11:16 PM 110 d ago	19 km	–
3.0	127 km S of Unalaska, Alaska	Apr 2, 1:45 AM 198 d ago	35 km	–

FAQ

About this earthquake

How strong was the 193 km SSE of Unalaska, Alaska earthquake?

Magnitude 3.1 (ml), minor – felt by people near the epicenter. Depth 10 km.

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 M3.0.

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.