19 Dec 2025, 03:06 UTC · Dec 18, 10:06 PM ET

M3.8 earthquake 167 km SE of Nikolski, Alaska

A magnitude 3.8 earthquake struck 167 km SE of Nikolski, Alaska at Dec 18, 10:06 PM ET, 10 km deep, minor – felt by people near the epicenter.

under 33–44–55–66+

Magnitude	3.8 mb
Time	19 Dec 2025, 03:06 UTC
Location	51.815°, -167.216° – 167 km SE of Nikolski, Alaska
Depth	10.0 km
Felt reports	0
Max. estimated intensity (MMI)	1.0
USGS event	us7000rpf6

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	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	–
3.6	118 km S of Nikolski, Alaska	Jan 18, 3:54 AM 272 d ago	20 km	–
3.5	155 km SE of Nikolski, Alaska	Dec 28, 11:24 AM 292 d ago	10 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	–
3.2	86 km SE of Nikolski, Alaska	Sep 25, 6:36 AM 21 d ago	57 km	–
3.2	89 km SSE of Nikolski, Alaska	Jun 25, 8:58 AM 113 d ago	10 km	–
3.2	130 km ESE of Nikolski, Alaska	May 20, 2:02 AM 150 d ago	10 km	–
3.2	202 km SSE of Nikolski, Alaska	Feb 6, 9:40 PM 252 d ago	10 km	–

FAQ

About this earthquake

How strong was the 167 km SE of Nikolski, Alaska earthquake?

Magnitude 3.8 (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 M3.5.

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.