28 May 2026, 00:25 UTC · May 27, 8:25 PM ET

M4.9 earthquake 43 km E of Adak, Alaska

A magnitude 4.9 earthquake struck 43 km E of Adak, Alaska at May 27, 8:25 PM ET, 64 km deep, light – felt by most people nearby, rattling windows, rarely damage. 1 people reported feeling it.

M4.4 100 km SW of Atka, AlaskaM4.5 82 km NNE of Adak, AlaskaM4.5 92 km SSE of Adak, AlaskaM4.5 27 km S of Adak, AlaskaM4.9 43 km E of Adak, AlaskaM4.9 57 km SSE of Adak, AlaskaM4.9 47 km SE of Adak, AlaskaM5.0 89 km SSW of Atka, AlaskaM5.0 74 km NE of Adak, AlaskaM5.1 93 km SSE of Adak, AlaskaM5.1 40 km E of Adak, AlaskaM5.3 39 km E of Adak, AlaskaM5.5 67 km SSW of Adak, Alaska
under 33–44–55–66+
Magnitude4.9 mb
Time28 May 2026, 00:25 UTC
Location51.936°, -176.015° – 43 km E of Adak, Alaska
Depth64.3 km
Felt reports1
Max. estimated intensity (MMI)4.1
USGS eventus7000snz9
Within 100 km

Other earthquakes nearby this year

Mag.WhereWhen (ET)DepthFelt
5.567 km SSW of Adak, Alaska · PAGER greenNov 23, 3:21 AM
328 d ago
33 km3 reports
5.339 km E of Adak, Alaska · tsunami flagJan 24, 4:25 PM
265 d ago
61 km3 reports
5.193 km SSE of Adak, AlaskaJul 23, 9:03 PM
85 d ago
10 km–
5.140 km E of Adak, AlaskaFeb 1, 7:43 AM
257 d ago
62 km1 report
5.089 km SSW of Atka, AlaskaFeb 27, 12:17 AM
232 d ago
34 km–
5.074 km NE of Adak, AlaskaFeb 10, 6:09 PM
248 d ago
157 km1 report
4.957 km SSE of Adak, AlaskaDec 15, 1:03 PM
305 d ago
42 km6 reports
4.947 km SE of Adak, AlaskaOct 25, 6:13 AM
356 d ago
57 km1 report
4.582 km NNE of Adak, AlaskaJul 7, 2:07 PM
101 d ago
174 km–
4.592 km SSE of Adak, AlaskaJun 4, 1:50 PM
134 d ago
31 km–
4.527 km S of Adak, AlaskaMar 24, 12:43 PM
206 d ago
54 km1 report
4.4100 km SW of Atka, AlaskaOct 8, 3:38 PM
373 d ago
35 km–
FAQ

About this earthquake

How strong was the 43 km E of Adak, Alaska earthquake?

Magnitude 4.9 (mb), light – felt by most people nearby, rattling windows, rarely damage. Depth 64 km. Strongest estimated shaking: intensity 4.1 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 3.4.

Were there aftershocks?

1 earthquakes within 100 km in the following two weeks are in our records, the strongest M4.5.

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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