3.0

M3.0 Earthquake 116 km N of Yakutat, AlaskaApril 20, 2026

2026-04-20 08:25:31 UTC (22 hours ago)

On April 20, 2026 at 08:25 UTC, a magnitude 3.0 shallow crustal earthquake struck 116 km N of Yakutat, Alaska, at a depth of 11.7 km and coordinates 60.5860°, -139.8950°.

Map showing earthquake epicenter at 60.59°, -139.90°

Earthquake Details

Magnitude
3.0 ml
Depth
11.7 km
shallow crustal
Location
60.5860°N
-139.8950°E

Technical Information

Event ID
aka2026hssxob
Event Type
earthquake
Status
✓ Reviewed
Significance
138
Stations Used
15
Azimuthal Gap
87.0°
Min Station Distance
0.600°
RMS Residual
1.00 sec
Last Updated
2026-04-20 23:29:05 UTC

Common Questions

How strong was the magnitude 3.0 earthquake near Yakutat, Alaska?

The magnitude 3.0 earthquake that struck 116 km N of Yakutat, Alaska on April 20, 2026 at 08:25 UTC had a depth of 11.7 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.