5 Mar 2026, 19:25 UTC · Mar 5, 2:25 PM ET · PAGER green · tsunami flag

M5.5 earthquake 92 km S of Nikolski, Alaska

A magnitude 5.5 earthquake struck 92 km S of Nikolski, Alaska at Mar 5, 2:25 PM ET, 17 km deep, moderate – felt widely, some damage to weak buildings. 1 people reported feeling it.

M5.0 67 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, AlaskaM5.3 108 km SSW of Nikolski, AlaskaM5.3 83 km SSW of Nikolski, AlaskaM5.4 105 km SSW of Nikolski, AlaskaM5.5 92 km S 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+
Magnitude5.5 mww
Time5 Mar 2026, 19:25 UTC
Location52.106°, -168.956° – 92 km S of Nikolski, Alaska
Depth17.0 km
Felt reports1
Max. estimated intensity (MMI)3.5
PAGER alertgreen
USGS eventus7000s2bn
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–
5.067 km SSW of Nikolski, AlaskaSep 3, 4:22 PM
43 d ago
42 km–
5.092 km SSW of Nikolski, AlaskaSep 3, 8:39 AM
43 d ago
35 km2 reports
FAQ

About this earthquake

How strong was the 92 km S of Nikolski, Alaska earthquake?

Magnitude 5.5 (mww), moderate – felt widely, some damage to weak buildings. Depth 17 km. Strongest estimated shaking: intensity 3.5 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 2.0.

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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M5.5 earthquake 92 km S of Nikolski, Alaska — 77.today