11 Jun 2026, 16:53 UTC · Jun 11, 12:53 PM ET

M3.9 earthquake 43 km S of Unalaska, Alaska

A magnitude 3.9 earthquake struck 43 km S of Unalaska, Alaska at Jun 11, 12:53 PM ET, 92 km deep, minor – felt by people near the epicenter.

M3.7 97 km SSW of Unalaska, AlaskaM3.7 62 km SSW of Unalaska, AlaskaM3.7 100 km SSE of Akutan, AlaskaM3.8 41 km S of Unalaska, AlaskaM3.8 105 km S of Unalaska, AlaskaM3.9 43 km S of Unalaska, AlaskaM4.0 55 km SE of Unalaska, AlaskaM4.2 70 km SSE of Akutan, AlaskaM4.3 70 km SSE of Akutan, AlaskaM4.5 30 km SSW of Unalaska, AlaskaM4.7 78 km SSE of Akutan, AlaskaM5.0 83 km SSW of Unalaska, AlaskaM5.1 49 km S of Akutan, Alaska
under 33–44–55–66+
Magnitude3.9 mb
Time11 Jun 2026, 16:53 UTC
Location53.488°, -166.414° – 43 km S of Unalaska, Alaska
Depth91.7 km
Felt reports0
Max. estimated intensity (MMI)2.2
USGS eventus7000ss9y
Within 100 km

Other earthquakes nearby this year

Mag.WhereWhen (ET)DepthFelt
5.149 km S of Akutan, Alaska · tsunami flagOct 17, 11:48 AM
364 d ago
85 km20 reports
5.083 km SSW of Unalaska, AlaskaJun 13, 6:38 AM
125 d ago
53 km3 reports
4.778 km SSE of Akutan, AlaskaMay 4, 10:38 PM
165 d ago
44 km–
4.530 km SSW of Unalaska, AlaskaJul 12, 7:23 AM
96 d ago
96 km15 reports
4.370 km SSE of Akutan, AlaskaAug 20, 9:11 PM
57 d ago
50 km–
4.270 km SSE of Akutan, AlaskaFeb 6, 6:32 PM
252 d ago
43 km–
4.055 km SE of Unalaska, AlaskaJan 18, 9:06 PM
271 d ago
55 km–
3.841 km S of Unalaska, AlaskaJul 14, 10:56 AM
94 d ago
83 km1 report
3.8105 km S of Unalaska, AlaskaJan 24, 11:50 AM
265 d ago
43 km–
3.797 km SSW of Unalaska, AlaskaSep 16, 8:47 AM
30 d ago
35 km–
3.762 km SSW of Unalaska, AlaskaMay 25, 11:07 PM
144 d ago
1 km–
3.7100 km SSE of Akutan, AlaskaFeb 6, 3:58 PM
252 d ago
46 km–
FAQ

About this earthquake

How strong was the 43 km S of Unalaska, Alaska earthquake?

Magnitude 3.9 (mb), minor – felt by people near the epicenter. Depth 92 km. Strongest estimated shaking: intensity 2.2 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 M5.0.

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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