28 Jul 2026, 22:18 UTC · Jul 28, 6:18 PM ET

M3.6 earthquake 265 km SW of Adak, Alaska

A magnitude 3.6 earthquake struck 265 km SW of Adak, Alaska at Jul 28, 6:18 PM ET, 10 km deep, minor – felt by people near the epicenter.

under 33–44–55–66+

Magnitude	3.6 mb
Time	28 Jul 2026, 22:18 UTC
Location	50.109°, -179.173° – 265 km SW of Adak, Alaska
Depth	10.0 km
Felt reports	0
Max. estimated intensity (MMI)	3.5
USGS event	us6000tgie

Within 100 km

Other earthquakes nearby this year

Mag.	Where	When (ET)	Depth	Felt
4.2	199 km WSW of Adak, Alaska	Dec 3, 6:39 AM 317 d ago	13 km	–
3.9	265 km SSW of Adak, Alaska	Mar 10, 2:13 AM 221 d ago	10 km	–
3.9	249 km WSW of Adak, Alaska	Feb 23, 5:58 AM 235 d ago	9 km	–
3.9	226 km SW of Adak, Alaska	Jan 28, 6:47 PM 261 d ago	7 km	–
3.9	Rat Islands, Aleutian Islands, Alaska	Dec 12, 12:22 PM 308 d ago	10 km	–
3.6	Andreanof Islands, Aleutian Islands, Alaska	May 19, 5:55 PM 150 d ago	10 km	–
3.5	276 km SW of Adak, Alaska	Jul 3, 1:09 AM 106 d ago	10 km	–
3.5	Rat Islands, Aleutian Islands, Alaska	Feb 13, 9:39 PM 245 d ago	20 km	–
3.4	188 km WSW of Adak, Alaska	Jul 5, 12:21 PM 103 d ago	10 km	–
3.4	213 km WSW of Adak, Alaska	Nov 26, 10:08 AM 324 d ago	18 km	–
3.1	290 km SW of Adak, Alaska	May 7, 5:34 AM 162 d ago	10 km	–
3.1	217 km WSW of Adak, Alaska	Apr 21, 1:12 PM 178 d ago	10 km	–

FAQ

About this earthquake

How strong was the 265 km SW of Adak, Alaska earthquake?

Magnitude 3.6 (mb), minor – felt by people near the epicenter. Depth 10 km. Strongest estimated shaking: intensity 3.5 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.