28 Aug 2026, 18:59 UTC · Aug 28, 2:59 PM ET

M3.1 earthquake 162 km WSW of Adak, Alaska

A magnitude 3.1 earthquake struck 162 km WSW of Adak, Alaska at Aug 28, 2:59 PM ET, 33 km deep, minor – felt by people near the epicenter.

M3.1 162 km WSW of Adak, AlaskaM4.4 259 km WSW of Adak, AlaskaM4.4 255 km WSW of Adak, AlaskaM4.5 142 km WSW of Adak, AlaskaM4.5 240 km WSW of Adak, AlaskaM4.6 181 km WSW of Adak, AlaskaM4.6 137 km SW of Adak, AlaskaM4.7 225 km W of Adak, AlaskaM4.9 204 km WSW of Adak, AlaskaM5.0 212 km WSW of Adak, AlaskaM5.0 209 km WSW of Adak, AlaskaM5.1 149 km WSW of Adak, AlaskaM5.5 122 km SW of Adak, Alaska
under 33–44–55–66+
Magnitude3.1 ml
Time28 Aug 2026, 18:59 UTC
Location51.422°, -178.864° – 162 km WSW of Adak, Alaska
Depth32.9 km
Felt reports0
USGS eventus7000tcqa
Within 100 km

Other earthquakes nearby this year

Mag.WhereWhen (ET)DepthFelt
5.5122 km SW of Adak, Alaska · tsunami flag · PAGER greenSep 21, 5:30 AM
390 d ago
30 km4 reports
5.1149 km WSW of Adak, Alaska · tsunami flagSep 11, 6:47 AM
35 d ago
37 km–
5.0212 km WSW of Adak, Alaska · PAGER greenJun 18, 9:58 AM
120 d ago
31 km–
5.0209 km WSW of Adak, AlaskaApr 18, 9:15 AM
181 d ago
38 km–
4.9204 km WSW of Adak, AlaskaJun 13, 7:24 AM
125 d ago
48 km–
4.7225 km W of Adak, AlaskaFeb 19, 1:37 AM
240 d ago
127 km–
4.6181 km WSW of Adak, AlaskaApr 5, 5:19 AM
194 d ago
35 km–
4.6137 km SW of Adak, AlaskaFeb 17, 6:12 PM
241 d ago
10 km–
4.5142 km WSW of Adak, AlaskaJan 19, 7:32 PM
270 d ago
35 km–
4.5240 km WSW of Adak, AlaskaOct 11, 9:51 AM
370 d ago
35 km–
4.4259 km WSW of Adak, AlaskaSep 27, 6:30 AM
19 d ago
18 km–
4.4255 km WSW of Adak, AlaskaMar 5, 7:59 AM
225 d ago
10 km–
FAQ

About this earthquake

How strong was the 162 km WSW of Adak, Alaska earthquake?

Magnitude 3.1 (ml), minor – felt by people near the epicenter. Depth 33 km.

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 M5.1.

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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M3.1 earthquake 162 km WSW of Adak, Alaska — 77.today