16 Dec 2025, 17:43 UTC · Dec 16, 12:43 PM ET

M3.5 earthquake 45 km SSW of Ugashik, Alaska

A magnitude 3.5 earthquake struck 45 km SSW of Ugashik, Alaska at Dec 16, 12:43 PM ET, 3 km deep, minor – felt by people near the epicenter.

under 33–44–55–66+

Magnitude	3.5 ml
Time	16 Dec 2025, 17:43 UTC
Location	57.122°, -157.625° – 45 km SSW of Ugashik, Alaska
Depth	2.6 km
Felt reports	0
Max. estimated intensity (MMI)	3.6
USGS event	ak2025yrzrvc

Within 100 km

Other earthquakes nearby this year

Mag.	Where	When (ET)	Depth	Felt
3.9	70 km SE of Ugashik, Alaska	Apr 18, 2:53 PM 181 d ago	80 km	–
3.9	45 km SE of Egegik, Alaska	Feb 13, 8:52 AM 245 d ago	169 km	–
3.8	116 km SSE of Ugashik, Alaska	Jan 22, 6:11 AM 267 d ago	76 km	–
3.6	15 km NNW of Chignik Lagoon, Alaska	Aug 2, 5:05 AM 75 d ago	5 km	2 reports
3.4	86 km ENE of Chignik, Alaska	Aug 2, 6:03 PM 75 d ago	69 km	–
3.4	120 km E of Chignik, Alaska	Jan 9, 1:12 PM 280 d ago	71 km	–
3.3	64 km E of Chignik, Alaska	Dec 3, 7:38 PM 317 d ago	32 km	–
3.2	91 km SE of Ugashik, Alaska	Jun 18, 3:27 PM 120 d ago	1 km	–
3.1	83 km E of Chignik, Alaska	Mar 5, 2:27 AM 226 d ago	85 km	–
3.1	100 km ENE of Chignik, Alaska	Feb 10, 3:49 AM 249 d ago	31 km	–
3.1	111 km SE of Ugashik, Alaska	Jan 9, 2:45 AM 281 d ago	78 km	–
3.0	79 km E of Chignik, Alaska	Oct 9, 6:15 PM 7 d ago	82 km	–

FAQ

About this earthquake

How strong was the 45 km SSW of Ugashik, Alaska earthquake?

Magnitude 3.5 (ml), minor – felt by people near the epicenter. Depth 3 km. Strongest estimated shaking: intensity 3.6 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.