3.3

M3.3 Earthquake 42 km W of Kotzebue, AlaskaApril 13, 2026

2026-04-13 06:26:44 UTC (6 days ago)

On April 13, 2026 at 06:26 UTC, a magnitude 3.3 shallow crustal earthquake struck 42 km W of Kotzebue, Alaska, at a depth of 7.9 km and coordinates 66.8970°, -163.5580°.

Map showing earthquake epicenter at 66.90°, -163.56°

Earthquake Details

Magnitude
3.3 ml
Depth
7.9 km
shallow crustal
Location
66.8970°N
-163.5580°E

Technical Information

Event ID
aka2026hfsxzh
Event Type
earthquake
Status
✓ Reviewed
Significance
168
Stations Used
54
Azimuthal Gap
134.0°
Min Station Distance
1.200°
RMS Residual
0.90 sec
Last Updated
2026-04-14 06:17:05 UTC

Common Questions

How strong was the magnitude 3.3 earthquake near Kotzebue, Alaska?

The magnitude 3.3 earthquake that struck 42 km W of Kotzebue, Alaska on April 13, 2026 at 06:26 UTC had a depth of 7.9 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 3.3 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.