16 Nov 2025, 21:01 UTC · Nov 16, 4:01 PM ET

M4.3 earthquake Rat Islands, Aleutian Islands, Alaska

A magnitude 4.3 earthquake struck Rat Islands, Aleutian Islands, Alaska at Nov 16, 4:01 PM ET, 97 km deep, light – felt by most people nearby, rattling windows, rarely damage.

M4.3 Rat Islands, Aleutian Islands, AlaskaM4.4 275 km W of Adak, AlaskaM4.5 Rat Islands, Aleutian Islands, AlaskaM4.5 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 Rat Islands, Aleutian Islands, AlaskaM4.9 Rat Islands, Aleutian Islands, AlaskaM5.1 295 km ESE of Attu Station, 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+
Magnitude4.3 mb
Time16 Nov 2025, 21:01 UTC
Location51.755°, 178.569° – Rat Islands, Aleutian Islands, Alaska
Depth96.6 km
Felt reports0
Max. estimated intensity (MMI)2.5
USGS eventus6000rnms
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–
5.1295 km ESE of Attu Station, Alaska · tsunami flagJan 23, 3:25 AM
267 d ago
10 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–
4.7Rat Islands, Aleutian Islands, AlaskaDec 8, 11:29 PM
312 d ago
19 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–
4.4275 km W of Adak, AlaskaOct 11, 8:16 AM
5 d ago
95 km–
FAQ

About this earthquake

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

Magnitude 4.3 (mb), light – felt by most people nearby, rattling windows, rarely damage. Depth 97 km. Strongest estimated shaking: intensity 2.5 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

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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