1 Sept 2026, 07:56 UTC · Sep 1, 3:56 AM ET

M3.5 earthquake 46 km SSW of Adak, Alaska

A magnitude 3.5 earthquake struck 46 km SSW of Adak, Alaska at Sep 1, 3:56 AM ET, 29 km deep, minor – felt by people near the epicenter.

M3.5 46 km SSW of Adak, AlaskaM4.5 92 km SSE of Adak, AlaskaM4.5 27 km S of Adak, AlaskaM4.6 137 km SW of Adak, AlaskaM4.9 43 km E of Adak, AlaskaM4.9 57 km SSE of Adak, AlaskaM4.9 47 km SE of Adak, AlaskaM4.9 71 km SSW 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, AlaskaM5.5 122 km SW of Adak, Alaska
under 33–44–55–66+
Magnitude3.5 ml
Time1 Sept 2026, 07:56 UTC
Location51.480°, -176.872° – 46 km SSW of Adak, Alaska
Depth28.5 km
Felt reports0
Max. estimated intensity (MMI)2.9
USGS eventus7000tdfn
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
327 d ago
33 km3 reports
5.5122 km SW of Adak, Alaska · tsunami flag · PAGER greenSep 21, 5:30 AM
390 d ago
30 km4 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
4.943 km E of Adak, AlaskaMay 27, 8:25 PM
142 d ago
64 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
4.971 km SSW of Adak, AlaskaOct 20, 2:45 PM
361 d ago
37 km2 reports
4.6137 km SW of Adak, AlaskaFeb 17, 6:12 PM
241 d ago
10 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
FAQ

About this earthquake

How strong was the 46 km SSW of Adak, Alaska earthquake?

Magnitude 3.5 (ml), minor – felt by people near the epicenter. Depth 29 km. Strongest estimated shaking: intensity 2.9 on the Modified Mercalli scale.

Was it felt?

No felt reports have been submitted to the USGS so far.

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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M3.5 earthquake 46 km SSW of Adak, Alaska — 77.today