3.0

M3.0 Earthquake 70 km SE of King Cove, AlaskaApril 23, 2026

2026-04-23 20:21:03 UTC (3 hours ago)

On April 23, 2026 at 20:21 UTC, a magnitude 3.0 shallow crustal earthquake struck 70 km SE of King Cove, Alaska, at a depth of 35.0 km and coordinates 54.6889°, -161.4337°.

Map showing earthquake epicenter at 54.69°, -161.43°

Earthquake Details

Magnitude
3.0 ml
Depth
35.0 km
shallow crustal
Location
54.6889°N
-161.4337°E

Technical Information

Event ID
us6000ssf2
Event Type
earthquake
Status
✓ Reviewed
Significance
138
Stations Used
21
Azimuthal Gap
201.0°
Min Station Distance
0.876°
RMS Residual
0.58 sec
Last Updated
2026-04-23 20:29:24 UTC

Common Questions

How strong was the magnitude 3.0 earthquake near King Cove, Alaska?

The magnitude 3.0 earthquake that struck 70 km SE of King Cove, Alaska on April 23, 2026 at 20:21 UTC had a depth of 35.0 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 3.0 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.