29 Mar 2026, 00:22 UTC · Mar 28, 8:22 PM ET

M3.3 earthquake 173 km WNW of Nikolski, Alaska

A magnitude 3.3 earthquake struck 173 km WNW of Nikolski, Alaska at Mar 28, 8:22 PM ET, 225 km deep, minor – felt by people near the epicenter.

under 33–44–55–66+

Magnitude	3.3 ml
Time	29 Mar 2026, 00:22 UTC
Location	53.437°, -171.319° – 173 km WNW of Nikolski, Alaska
Depth	225.1 km
Felt reports	0
USGS event	us7000s8hx

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
4.4	90 km W of Nikolski, Alaska	Jun 25, 7:05 PM 113 d ago	64 km	–
4.1	171 km W of Nikolski, Alaska	Sep 17, 10:39 AM 29 d ago	104 km	–
3.9	142 km W of Nikolski, Alaska	Jul 23, 12:43 AM 86 d ago	226 km	–
3.9	135 km WNW of Nikolski, Alaska	Feb 2, 5:45 AM 256 d ago	194 km	–
3.8	169 km W of Nikolski, Alaska	Sep 17, 10:46 AM 29 d ago	100 km	–
3.8	92 km W of Nikolski, Alaska	Feb 23, 8:03 AM 235 d ago	9 km	–
3.5	163 km W of Nikolski, Alaska	Sep 17, 10:34 AM 29 d ago	95 km	–
3.5	165 km W of Nikolski, Alaska	May 31, 8:42 AM 138 d ago	107 km	–
3.4	166 km W of Nikolski, Alaska	Sep 17, 12:45 PM 29 d ago	100 km	–
3.4	119 km WNW of Nikolski, Alaska	Sep 4, 8:22 PM 42 d ago	159 km	–
3.4	120 km W of Nikolski, Alaska	Jan 24, 6:31 AM 265 d ago	105 km	–

FAQ

About this earthquake

How strong was the 173 km WNW of Nikolski, Alaska earthquake?

Magnitude 3.3 (ml), minor – felt by people near the epicenter. Depth 225 km.

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.