3.5

M3.5 Earthquake 26 km WNW of Ivanof Bay, AlaskaApril 22, 2026

2026-04-22 16:49:32 UTC (5 hours ago)

On April 22, 2026 at 16:49 UTC, a magnitude 3.5 shallow crustal earthquake struck 26 km WNW of Ivanof Bay, Alaska, at a depth of 10.0 km and coordinates 55.9920°, -159.8800°.

Map showing earthquake epicenter at 55.99°, -159.88°

Earthquake Details

Magnitude
3.5 ml
Depth
10.0 km
shallow crustal
Location
55.9920°N
-159.8800°E
Intensity (MMI)
3.3
light

Technical Information

Event ID
aka2026hxbbsz
Event Type
earthquake
Status
✓ Reviewed
Significance
188
Stations Used
72
Azimuthal Gap
152.0°
Min Station Distance
0.300°
RMS Residual
1.10 sec
Last Updated
2026-04-22 20:56:02 UTC

Common Questions

How strong was the magnitude 3.5 earthquake near Ivanof Bay, Alaska?

The magnitude 3.5 earthquake that struck 26 km WNW of Ivanof Bay, Alaska on April 22, 2026 at 16:49 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 3.5 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.