13 Mar 2026, 11:00 UTC · Mar 13, 7:00 AM ET

M3.5 earthquake 13 km WNW of Larsen Bay, Alaska

A magnitude 3.5 earthquake struck 13 km WNW of Larsen Bay, Alaska at Mar 13, 7:00 AM ET, 47 km deep, minor – felt by people near the epicenter. 1 people reported feeling it.

M3.4 83 km W of Karluk, AlaskaM3.5 13 km WNW of Larsen Bay, AlaskaM3.5 77 km WSW of Karluk, AlaskaM3.5 56 km W of Karluk, AlaskaM3.6 76 km W of Akhiok, AlaskaM3.6 23 km NW of Old Harbor, AlaskaM3.7 37 km SW of Karluk, AlaskaM3.7 32 km SSW of Karluk, AlaskaM3.8 34 km W of Aleneva, AlaskaM4.0 18 km N of Larsen Bay, AlaskaM4.2 10 km N of Old Harbor, AlaskaM4.5 41 km SW of Karluk, AlaskaM4.6 57 km W of Karluk, Alaska
under 33–44–55–66+
Magnitude3.5 ml
Time13 Mar 2026, 11:00 UTC
Location57.575°, -154.194° – 13 km WNW of Larsen Bay, Alaska
Depth47.2 km
Felt reports1
Max. estimated intensity (MMI)2.7
USGS eventaka2026fbella
Within 100 km

Other earthquakes nearby this year

Mag.WhereWhen (ET)DepthFelt
4.657 km W of Karluk, AlaskaOct 2, 3:13 AM
380 d ago
4 km2 reports
4.541 km SW of Karluk, AlaskaAug 17, 4:35 PM
60 d ago
58 km6 reports
4.210 km N of Old Harbor, AlaskaApr 23, 3:12 AM
177 d ago
41 km38 reports
4.018 km N of Larsen Bay, AlaskaMar 24, 1:36 AM
207 d ago
29 km3 reports
3.834 km W of Aleneva, AlaskaAug 23, 3:42 AM
55 d ago
65 km4 reports
3.737 km SW of Karluk, AlaskaSep 22, 4:48 AM
24 d ago
51 km1 report
3.732 km SSW of Karluk, AlaskaApr 8, 9:16 PM
191 d ago
20 km–
3.676 km W of Akhiok, AlaskaJul 14, 3:51 AM
95 d ago
20 km–
3.623 km NW of Old Harbor, AlaskaOct 29, 3:12 PM
352 d ago
29 km–
3.577 km WSW of Karluk, AlaskaJan 19, 8:41 AM
270 d ago
58 km–
3.556 km W of Karluk, AlaskaOct 21, 7:46 PM
360 d ago
0 km–
3.483 km W of Karluk, AlaskaOct 5, 12:55 PM
11 d ago
5 km–
FAQ

About this earthquake

How strong was the 13 km WNW of Larsen Bay, Alaska earthquake?

Magnitude 3.5 (ml), minor – felt by people near the epicenter. Depth 47 km. Strongest estimated shaking: intensity 2.7 on the Modified Mercalli scale.

Was it felt?

1 people reported feeling it to the USGS "Did You Feel It?" survey; the highest reported intensity was 2.0.

Were there aftershocks?

1 earthquakes within 100 km in the following two weeks are in our records, the strongest M4.0.

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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