2.5

M2.5 Earthquake 53 km WNW of Nikiski, AlaskaApril 23, 2026

2026-04-23 10:08:37 UTC (1 day ago)

On April 23, 2026 at 10:08 UTC, a magnitude 2.5 shallow crustal earthquake struck 53 km WNW of Nikiski, Alaska, at a depth of 10.0 km and coordinates 60.9110°, -152.1650°.

Map showing earthquake epicenter at 60.91°, -152.16°

Earthquake Details

Magnitude
2.5 ml
Depth
10.0 km
shallow crustal
Location
60.9110°N
-152.1650°E
Felt Reports
1
DYFI responses
Community Intensity
1.0
CDI from reports

Technical Information

Event ID
aka2026hyjnbe
Event Type
earthquake
Status
✓ Reviewed
Significance
96
Stations Used
59
Azimuthal Gap
32.0°
Min Station Distance
0.300°
RMS Residual
1.00 sec
Last Updated
2026-04-23 18:24:05 UTC

Common Questions

How strong was the magnitude 2.5 earthquake near Nikiski, Alaska?

The magnitude 2.5 earthquake that struck 53 km WNW of Nikiski, Alaska on April 23, 2026 at 10:08 UTC had a depth of 10.0 km. For context, this was a minor earthquake typically detected only by instruments.

Were there aftershocks?

Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 2.5 earthquakes can continue for several days and gradually diminish over time.

What should I do after an earthquake?

If you were in the affected area: check yourself and others for injuries, inspect your home for damage, and be prepared for aftershocks. For detailed guidance, see our earthquake safety guide and emergency planning resources.