3.5

M3.5 Earthquake 39 km W of Kotzebue, AlaskaJune 24, 2026

2026-06-24 15:32:23 UTC (44 min ago) · approx. 4:32 AM UTC-11 local

MagnitudeM3.5(ml)
Time15:32 UTC4:32 AM UTC-11
Depth5.0 kmshallow crustal
Coordinates66.901°, -163.500°
Felt byNo felt reports
StatusAutomatic (preliminary)

On June 24, 2026 at 15:32 UTC, a magnitude 3.5 shallow crustal earthquake struck 39 km W of Kotzebue, Alaska, at a depth of 5.0 km and coordinates 66.9010°, -163.5000°.

Physical scale: An earthquake of magnitude 3.5 releases seismic energy equivalent to roughly 2.7 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 157 m — a useful intuition for the size of the slip patch on the fault.

Map showing earthquake epicenter at 66.90°, -163.50°

Earthquake Details

Magnitude
3.5 ml
Depth
5.0 km
shallow crustal
Location
66.9010°N
-163.5000°E

Technical Information

Event ID
aka2026mkoycw
Event Type
earthquake
Status
Automatic
Significance
188
Stations Used
61
Azimuthal Gap
132.0°
Min Station Distance
1.200°
RMS Residual
1.30 sec
Last Updated
2026-06-24 15:59:46 UTC

Common Questions

How strong was the magnitude 3.5 earthquake near Kotzebue, Alaska?

The magnitude 3.5 earthquake that struck 39 km W of Kotzebue, Alaska on June 24, 2026 at 15:32 UTC had a depth of 5.0 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.

Authoritative source: USGS event page (event ID: aka2026mkoycw). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, June 24, 2026). M3.5 Earthquake 39 km W of Kotzebue, AlaskaJune 24, 2026. Retrieved June 24, 2026 from https://www.earthquaketracker.org/earthquakes/event/aka2026mkoycw/