18 May 2026, 22:36 UTC · May 18, 6:36 PM ET

M4.3 earthquake 116 km SSE of Attu Station, Alaska

A magnitude 4.3 earthquake struck 116 km SSE of Attu Station, Alaska at May 18, 6:36 PM ET, 10 km deep, light – felt by most people nearby, rattling windows, rarely damage.

under 33–44–55–66+

Magnitude	4.3 mb
Time	18 May 2026, 22:36 UTC
Location	51.948°, 174.055° – 116 km SSE of Attu Station, Alaska
Depth	10.0 km
Felt reports	0
USGS event	us6000symk

Within 100 km

Other earthquakes nearby this year

Mag.	Where	When (ET)	Depth	Felt
4.7	145 km ESE of Attu Station, Alaska	Apr 14, 8:45 AM 185 d ago	56 km	–
4.6	194 km SE of Attu Station, Alaska	Oct 12, 10:29 AM 4 d ago	10 km	–
4.5	206 km SSE of Attu Station, Alaska	Nov 10, 1:51 PM 340 d ago	10 km	–
4.4	182 km SSE of Attu Station, Alaska	May 21, 2:07 AM 149 d ago	10 km	–
4.2	198 km SSE of Attu Station, Alaska	May 12, 8:42 PM 157 d ago	10 km	–
4.2	174 km S of Attu Station, Alaska	May 10, 6:44 PM 159 d ago	10 km	–
4.2	180 km SSE of Attu Station, Alaska	Feb 18, 9:16 AM 240 d ago	10 km	–
4.0	195 km SSE of Attu Station, Alaska	Apr 22, 12:28 AM 178 d ago	10 km	–
4.0	196 km SE of Attu Station, Alaska	Feb 2, 5:34 AM 256 d ago	35 km	–
3.9	117 km SSE of Attu Station, Alaska	Sep 9, 6:53 AM 37 d ago	10 km	–
3.9	167 km SSE of Attu Station, Alaska	May 8, 4:25 PM 161 d ago	10 km	–
3.8	171 km SE of Attu Station, Alaska	Jun 12, 6:20 PM 126 d ago	20 km	–

FAQ

About this earthquake

How strong was the 116 km SSE of Attu Station, Alaska earthquake?

Magnitude 4.3 (mb), light – felt by most people nearby, rattling windows, rarely damage. Depth 10 km.

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 M4.4.

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.