9 May 2026, 04:42 UTC · May 9, 12:42 AM ET · PAGER green

M5.8 earthquake 296 km WSW of Adak, Alaska

A magnitude 5.8 earthquake struck 296 km WSW of Adak, Alaska at May 9, 12:42 AM ET, 37 km deep, moderate – felt widely, some damage to weak buildings.

under 33–44–55–66+

Magnitude	5.8 mww
Time	9 May 2026, 04:42 UTC
Location	51.059°, 179.310° – 296 km WSW of Adak, Alaska
Depth	37.4 km
Felt reports	0
Max. estimated intensity (MMI)	4.3
PAGER alert	green
USGS event	us6000swf4

Within 100 km

Other earthquakes nearby this year

Mag.	Where	When (ET)	Depth	Felt
6.1	Rat Islands, Aleutian Islands, Alaska	May 9, 12:42 AM 161 d ago	16 km	–
5.0	212 km WSW of Adak, Alaska · PAGER green	Jun 18, 9:58 AM 120 d ago	31 km	–
5.0	209 km WSW of Adak, Alaska	Apr 18, 9:15 AM 181 d ago	38 km	–
4.9	204 km WSW of Adak, Alaska	Jun 13, 7:24 AM 125 d ago	48 km	–
4.7	295 km WSW of Adak, Alaska	May 8, 4:03 PM 161 d ago	35 km	–
4.7	294 km WSW of Adak, Alaska	Apr 20, 5:54 AM 179 d ago	35 km	–
4.7	Rat Islands, Aleutian Islands, Alaska	Dec 8, 11:29 PM 312 d ago	19 km	–
4.6	Rat Islands, Aleutian Islands, Alaska	Sep 27, 3:48 AM 20 d ago	47 km	–
4.6	Rat Islands, Aleutian Islands, Alaska	May 27, 1:57 AM 143 d ago	28 km	–
4.5	Rat Islands, Aleutian Islands, Alaska	Apr 4, 5:39 AM 195 d ago	22 km	–
4.5	Rat Islands, Aleutian Islands, Alaska	Nov 2, 3:19 PM 348 d ago	42 km	–
4.5	240 km WSW of Adak, Alaska	Oct 11, 9:51 AM 370 d ago	35 km	–

FAQ

About this earthquake

How strong was the 296 km WSW of Adak, Alaska earthquake?

Magnitude 5.8 (mww), moderate – felt widely, some damage to weak buildings. Depth 37 km. Strongest estimated shaking: intensity 4.3 on the Modified Mercalli scale.

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.