28 Dec 2025, 16:24 UTC · Dec 28, 11:24 AM ET

M3.5 earthquake 155 km SE of Nikolski, Alaska

A magnitude 3.5 earthquake struck 155 km SE of Nikolski, Alaska at Dec 28, 11:24 AM ET, 10 km deep, minor – felt by people near the epicenter.

under 33–44–55–66+

Magnitude	3.5 mb
Time	28 Dec 2025, 16:24 UTC
Location	51.931°, -167.269° – 155 km SE of Nikolski, Alaska
Depth	10.0 km
Felt reports	0
Max. estimated intensity (MMI)	1.0
USGS event	us7000rqun

Within 100 km

Other earthquakes nearby this year

Mag.	Where	When (ET)	Depth	Felt
4.8	73 km SSE of Nikolski, Alaska	Apr 23, 9:01 PM 176 d ago	32 km	–
4.0	85 km SSE of Nikolski, Alaska	Apr 23, 10:45 PM 176 d ago	26 km	–
3.8	167 km SE of Nikolski, Alaska	Dec 18, 10:06 PM 302 d ago	10 km	–
3.8	91 km SSE of Nikolski, Alaska	Oct 7, 9:33 PM 374 d ago	29 km	–
3.7	116 km ESE of Nikolski, Alaska	Sep 24, 7:34 AM 22 d ago	10 km	–
3.7	98 km S of Nikolski, Alaska	Feb 5, 12:04 PM 253 d ago	11 km	–
3.7	78 km ESE of Nikolski, Alaska	Dec 10, 5:18 AM 310 d ago	35 km	–
3.6	118 km S of Nikolski, Alaska	Jan 18, 3:54 AM 272 d ago	20 km	–
3.4	87 km SSE of Nikolski, Alaska	Apr 24, 8:12 AM 175 d ago	21 km	–
3.4	195 km S of Unalaska, Alaska	Jan 28, 6:49 PM 261 d ago	10 km	–
3.3	85 km E of Nikolski, Alaska	Jan 6, 12:30 AM 284 d ago	35 km	–
3.2	86 km SE of Nikolski, Alaska	Sep 25, 6:36 AM 21 d ago	57 km	–

FAQ

About this earthquake

How strong was the 155 km SE of Nikolski, Alaska earthquake?

Magnitude 3.5 (mb), minor – felt by people near the epicenter. Depth 10 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 M3.3.

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.