23 May 2026, 21:49 UTC · May 23, 5:49 PM ET

M5.3 earthquake 167 km SW of Nikolski, Alaska

A magnitude 5.3 earthquake struck 167 km SW of Nikolski, Alaska at May 23, 5:49 PM ET, 10 km deep, moderate – felt widely, some damage to weak buildings.

M4.9 85 km SSW of Nikolski, AlaskaM5.0 92 km SSW of Nikolski, AlaskaM5.1 85 km SSW of Nikolski, AlaskaM5.2 102 km SSW of Nikolski, AlaskaM5.2 88 km SSW of Nikolski, AlaskaM5.2 83 km SSW of Nikolski, AlaskaM5.3 167 km SW of Nikolski, AlaskaM5.3 108 km SSW of Nikolski, AlaskaM5.3 83 km SSW of Nikolski, AlaskaM5.4 105 km SSW of Nikolski, AlaskaM5.5 93 km SW of Nikolski, AlaskaM6.0 96 km SW of Nikolski, AlaskaM6.3 89 km SSW of Nikolski, Alaska
under 33–44–55–66+
Magnitude5.3 mww
Time23 May 2026, 21:49 UTC
Location51.736°, -170.331° – 167 km SW of Nikolski, Alaska
Depth10.1 km
Felt reports0
Max. estimated intensity (MMI)3.3
USGS eventus6000szt5
Within 100 km

Other earthquakes nearby this year

Mag.WhereWhen (ET)DepthFelt
6.389 km SSW of Nikolski, Alaska · tsunami flag · PAGER greenSep 3, 7:17 AM
43 d ago
21 km3 reports
6.096 km SW of Nikolski, Alaska · tsunami flag · PAGER greenFeb 23, 12:11 AM
236 d ago
14 km10 reports
5.593 km SW of Nikolski, Alaska · tsunami flag · PAGER greenFeb 23, 5:02 AM
235 d ago
8 km–
5.4105 km SSW of Nikolski, Alaska · PAGER greenSep 3, 4:21 PM
43 d ago
10 km–
5.3108 km SSW of Nikolski, AlaskaSep 3, 2:45 PM
43 d ago
10 km–
5.383 km SSW of Nikolski, Alaska · tsunami flagSep 1, 2:44 AM
46 d ago
37 km3 reports
5.2102 km SSW of Nikolski, Alaska · tsunami flagSep 3, 9:03 AM
43 d ago
10 km–
5.288 km SSW of Nikolski, AlaskaSep 2, 8:32 AM
44 d ago
35 km1 report
5.283 km SSW of Nikolski, AlaskaSep 2, 1:14 AM
45 d ago
35 km–
5.185 km SSW of Nikolski, AlaskaSep 3, 7:24 AM
43 d ago
46 km–
5.092 km SSW of Nikolski, AlaskaSep 3, 8:39 AM
43 d ago
35 km2 reports
4.985 km SSW of Nikolski, AlaskaSep 5, 2:00 PM
41 d ago
21 km–
FAQ

About this earthquake

How strong was the 167 km SW of Nikolski, Alaska earthquake?

Magnitude 5.3 (mww), moderate – felt widely, some damage to weak buildings. Depth 10 km. Strongest estimated shaking: intensity 3.3 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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