15 Sept 2026, 21:49 UTC · Sep 15, 5:49 PM ET

M3.5 earthquake Rat Islands, Aleutian Islands, Alaska

A magnitude 3.5 earthquake struck Rat Islands, Aleutian Islands, Alaska at Sep 15, 5:49 PM ET, 57 km deep, minor – felt by people near the epicenter.

M3.5 Rat Islands, Aleutian Islands, AlaskaM4.5 Rat Islands, Aleutian Islands, AlaskaM4.5 Rat Islands, Aleutian Islands, AlaskaM4.6 Rat Islands, Aleutian Islands, AlaskaM4.6 Rat Islands, Aleutian Islands, AlaskaM4.7 295 km WSW of Adak, AlaskaM4.7 294 km WSW of Adak, AlaskaM4.7 225 km W of Adak, AlaskaM4.7 Rat Islands, Aleutian Islands, AlaskaM4.9 Rat Islands, Aleutian Islands, AlaskaM5.5 Rat Islands, Aleutian Islands, AlaskaM5.8 296 km WSW of Adak, AlaskaM6.1 Rat Islands, Aleutian Islands, Alaska
under 33–44–55–66+
Magnitude3.5 ml
Time15 Sept 2026, 21:49 UTC
Location51.485°, 178.951° – Rat Islands, Aleutian Islands, Alaska
Depth57.3 km
Felt reports0
Max. estimated intensity (MMI)2.6
USGS eventus7000ths2
Within 100 km

Other earthquakes nearby this year

Mag.WhereWhen (ET)DepthFelt
6.1Rat Islands, Aleutian Islands, AlaskaMay 9, 12:42 AM
161 d ago
16 km–
5.8296 km WSW of Adak, Alaska · PAGER greenMay 9, 12:42 AM
161 d ago
37 km–
5.5Rat Islands, Aleutian Islands, Alaska · PAGER greenDec 13, 5:51 AM
307 d ago
108 km–
4.9Rat Islands, Aleutian Islands, AlaskaFeb 14, 2:10 AM
245 d ago
117 km–
4.7295 km WSW of Adak, AlaskaMay 8, 4:03 PM
161 d ago
35 km–
4.7294 km WSW of Adak, AlaskaApr 20, 5:54 AM
179 d ago
35 km–
4.7225 km W of Adak, AlaskaFeb 19, 1:37 AM
240 d ago
127 km–
4.7Rat Islands, Aleutian Islands, AlaskaDec 8, 11:29 PM
312 d ago
19 km–
4.6Rat Islands, Aleutian Islands, AlaskaSep 27, 3:48 AM
20 d ago
47 km–
4.6Rat Islands, Aleutian Islands, AlaskaMay 27, 1:57 AM
143 d ago
28 km–
4.5Rat Islands, Aleutian Islands, AlaskaApr 4, 5:39 AM
195 d ago
22 km–
4.5Rat Islands, Aleutian Islands, AlaskaNov 2, 3:19 PM
348 d ago
42 km–
FAQ

About this earthquake

How strong was the Rat Islands, Aleutian Islands, Alaska earthquake?

Magnitude 3.5 (ml), minor – felt by people near the epicenter. Depth 57 km. Strongest estimated shaking: intensity 2.6 on the Modified Mercalli scale.

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 M4.6.

Earthquakes

More

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.

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M3.5 earthquake Rat Islands, Aleutian Islands, Alaska