17 Sept 2026, 14:46 UTC · Sep 17, 10:46 AM ET

M3.8 earthquake 169 km W of Nikolski, Alaska

A magnitude 3.8 earthquake struck 169 km W of Nikolski, Alaska at Sep 17, 10:46 AM ET, 100 km deep, minor – felt by people near the epicenter.

under 33–44–55–66+

Magnitude	3.8 ml
Time	17 Sept 2026, 14:46 UTC
Location	52.861°, -171.376° – 169 km W of Nikolski, Alaska
Depth	100.0 km
Felt reports	0
Max. estimated intensity (MMI)	1.9
USGS event	us7000ti2h

Within 100 km

Other earthquakes nearby this year

Mag.	Where	When (ET)	Depth	Felt
6.5	177 km W of Nikolski, Alaska · tsunami flag · PAGER green	Sep 17, 10:19 AM 29 d ago	98 km	8 reports
5.6	172 km ENE of Atka, Alaska · PAGER green	May 22, 8:16 AM 147 d ago	15 km	–
4.9	168 km E of Atka, Alaska · PAGER green	May 18, 5:37 PM 151 d ago	10 km	–
4.7	172 km E of Atka, Alaska	Apr 10, 8:39 PM 189 d ago	63 km	–
4.7	189 km WSW of Nikolski, Alaska · tsunami flag	Nov 9, 4:36 AM 341 d ago	54 km	–
4.5	101 km WSW of Nikolski, Alaska	Sep 20, 9:55 AM 26 d ago	92 km	–
4.4	90 km W of Nikolski, Alaska	Jun 25, 7:05 PM 113 d ago	64 km	–
4.4	171 km E of Atka, Alaska	May 22, 4:10 PM 147 d ago	21 km	–
4.4	167 km E of Atka, Alaska	May 22, 8:46 AM 147 d ago	10 km	–
4.3	185 km E of Atka, Alaska	Nov 9, 9:20 AM 341 d ago	50 km	–
4.1	171 km W of Nikolski, Alaska	Sep 17, 10:39 AM 29 d ago	104 km	–
3.9	165 km WSW of Nikolski, Alaska	Sep 21, 8:44 PM 25 d ago	121 km	–

FAQ

About this earthquake

How strong was the 169 km W of Nikolski, Alaska earthquake?

Magnitude 3.8 (ml), minor – felt by people near the epicenter. Depth 100 km. Strongest estimated shaking: intensity 1.9 on the Modified Mercalli scale.

Was it felt?

No felt reports have been submitted to the USGS so far.

Were there aftershocks?

2 earthquakes within 100 km in the following two weeks are in our records, the strongest M4.5.

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.