EarthquakeModerate

M4.2 earthquake - 217 km SSW of Nikolski, Alaska

Name: M4.2 earthquake - 217 km SSW of Nikolski, Alaska
Start: 2023-09-29T15:23:48.345+00:00
Location: 217 km SSW of Nikolski, Alaska

1114 d ago · 29 Sept 2023, 15:23 UTC 217 km SSW of Nikolski, Alaska

What happened

A magnitude 4.2 earthquake struck 217 km SSW of Nikolski, Alaska on 29 Sept 2023, 15:23 UTC at a depth of 10 km.

Earthquakes of this size are classed as Light. Widely felt nearby; objects may shake or fall. Significant damage is unusual. This was a shallow earthquake, which tends to be felt more strongly at the surface.

Timeline

First reported by USGS
17 Oct 2026, 11:11 UTC

Community Live

Did you feel it?

Nearby in the last 30 days

3.4
M3.4 earthquake - 201 km SSE of Atka, Alaska
19 h ago5 km deep
Light
1.5
M1.5 earthquake - 71 km WSW of Nikolski, Alaska
1 d ago9 km deep
Minor
1.0
M1.0 earthquake - 70 km W of Nikolski, Alaska
2 d ago12 km deep
Minor
1.2
M1.2 earthquake - 71 km WSW of Nikolski, Alaska
2 d ago7 km deep
Minor
2.2
M2.2 earthquake - 72 km WSW of Nikolski, Alaska
2 d ago10 km deep
Minor
4.7
M4.7 earthquake - 114 km SSW of Nikolski, Alaska
2 d ago10 km deepgreen alert
Moderate
2.6
M2.6 earthquake - 73 km WSW of Nikolski, Alaska
5 d ago12 km deep
Light
4.5
M4.5 earthquake - 101 km WSW of Nikolski, Alaska
27 d ago92 km deep
Moderate