1 Dec 2025, 22:21 UTC · Dec 1, 5:21 PM ET

M5.1 earthquake 79 km SE of Atka, Alaska

A magnitude 5.1 earthquake struck 79 km SE of Atka, Alaska at Dec 1, 5:21 PM ET, 35 km deep, moderate – felt widely, some damage to weak buildings. 2 people reported feeling it.

M4.3 87 km SSE of Atka, AlaskaM4.3 85 km SE of Atka, AlaskaM4.4 121 km E of Atka, AlaskaM4.5 76 km ESE of Atka, AlaskaM4.5 86 km S of Atka, AlaskaM4.6 89 km SE of Atka, AlaskaM4.6 98 km SE of Atka, AlaskaM4.9 86 km SSE of Atka, AlaskaM4.9 102 km SE of Atka, AlaskaM4.9 101 km SE of Atka, AlaskaM5.0 89 km SSW of Atka, AlaskaM5.1 79 km SE of Atka, AlaskaM5.8 103 km SE of Atka, Alaska
under 33–44–55–66+
Magnitude5.1 mww
Time1 Dec 2025, 22:21 UTC
Location51.648°, -173.459° – 79 km SE of Atka, Alaska
Depth35.0 km
Felt reports2
USGS eventus7000rez4
Within 100 km

Other earthquakes nearby this year

Mag.WhereWhen (ET)DepthFelt
5.8103 km SE of Atka, Alaska · PAGER greenJul 26, 4:35 AM
82 d ago
12 km–
5.089 km SSW of Atka, AlaskaFeb 27, 12:17 AM
232 d ago
34 km–
4.986 km SSE of Atka, AlaskaAug 1, 7:07 PM
76 d ago
35 km–
4.9102 km SE of Atka, AlaskaJul 25, 5:03 PM
83 d ago
20 km–
4.9101 km SE of Atka, AlaskaJul 23, 5:30 AM
85 d ago
35 km–
4.689 km SE of Atka, AlaskaAug 2, 1:18 AM
76 d ago
40 km–
4.698 km SE of Atka, AlaskaJul 23, 2:51 AM
86 d ago
43 km–
4.576 km ESE of Atka, AlaskaAug 8, 11:36 PM
69 d ago
52 km1 report
4.586 km S of Atka, AlaskaSep 25, 7:40 AM
386 d ago
16 km–
4.4121 km E of Atka, AlaskaNov 30, 7:24 AM
320 d ago
73 km–
4.387 km SSE of Atka, AlaskaAug 4, 10:57 AM
73 d ago
33 km–
4.385 km SE of Atka, AlaskaJul 26, 9:18 AM
82 d ago
39 km–
FAQ

About this earthquake

How strong was the 79 km SE of Atka, Alaska earthquake?

Magnitude 5.1 (mww), moderate – felt widely, some damage to weak buildings. Depth 35 km.

Was it felt?

2 people reported feeling it to the USGS "Did You Feel It?" survey; the highest reported intensity was 2.7.

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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M5.1 earthquake 79 km SE of Atka, Alaska — 77.today