13 Oct 2025, 02:52 UTC · Oct 12, 10:52 PM ET · PAGER green

M4.2 earthquake 30 km ESE of Kasilof, Alaska

A magnitude 4.2 earthquake struck 30 km ESE of Kasilof, Alaska at Oct 12, 10:52 PM ET, 46 km deep, light – felt by most people nearby, rattling windows, rarely damage. 62 people reported feeling it.

M3.7 45 km W of Happy Valley, AlaskaM3.7 9 km ENE of Ninilchik, AlaskaM3.8 14 km SE of Tyonek, AlaskaM3.8 32 km E of Halibut Cove, AlaskaM3.8 38 km WNW of Ninilchik, AlaskaM3.9 25 km NW of Anchor Point, AlaskaM3.9 1 km WSW of Hope, AlaskaM4.0 44 km W of Happy Valley, AlaskaM4.0 33 km S of Funny River, AlaskaM4.2 30 km ESE of Kasilof, AlaskaM4.2 27 km WNW of Hope, AlaskaM4.9 13 km SSE of Clam Gulch, AlaskaM5.4 48 km ESE of Fox River, Alaska
under 33–44–55–66+
Magnitude4.2 ml
Time13 Oct 2025, 02:52 UTC
Location60.220°, -150.783° – 30 km ESE of Kasilof, Alaska
Depth45.9 km
Felt reports62
Max. estimated intensity (MMI)3.0
PAGER alertgreen
USGS eventak025d517bzx
Within 100 km

Other earthquakes nearby this year

Mag.WhereWhen (ET)DepthFelt
5.448 km ESE of Fox River, Alaska · tsunami flag · PAGER greenOct 30, 1:33 PM
351 d ago
24 km2,179 reports
4.913 km SSE of Clam Gulch, Alaska · PAGER greenJun 26, 9:15 PM
112 d ago
55 km420 reports
4.227 km WNW of Hope, Alaska · PAGER greenJun 27, 1:25 AM
112 d ago
48 km983 reports
4.044 km W of Happy Valley, AlaskaJul 6, 1:36 AM
103 d ago
108 km71 reports
4.033 km S of Funny River, Alaska · PAGER greenMar 6, 10:31 AM
224 d ago
52 km36 reports
3.925 km NW of Anchor Point, AlaskaAug 29, 8:02 AM
48 d ago
90 km19 reports
3.91 km WSW of Hope, AlaskaAug 22, 3:42 AM
56 d ago
31 km273 reports
3.832 km E of Halibut Cove, AlaskaAug 17, 1:07 AM
61 d ago
35 km6 reports
3.838 km WNW of Ninilchik, AlaskaMay 20, 10:03 AM
149 d ago
89 km6 reports
3.814 km SE of Tyonek, AlaskaDec 6, 4:03 PM
314 d ago
51 km4 reports
3.745 km W of Happy Valley, AlaskaAug 19, 3:51 PM
58 d ago
108 km2 reports
3.79 km ENE of Ninilchik, AlaskaApr 25, 8:36 AM
174 d ago
51 km37 reports
FAQ

About this earthquake

How strong was the 30 km ESE of Kasilof, Alaska earthquake?

Magnitude 4.2 (ml), light – felt by most people nearby, rattling windows, rarely damage. Depth 46 km. Strongest estimated shaking: intensity 3.0 on the Modified Mercalli scale.

Was it felt?

62 people reported feeling it to the USGS "Did You Feel It?" survey; the highest reported intensity was 3.8.

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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M4.2 earthquake 30 km ESE of Kasilof, Alaska — 77.today