3.1

M3.1 Earthquake 81 km ESE of Akutan, AlaskaFebruary 14, 2026

2026-02-14 19:24:15 UTC (2026-02-14) · approx. 8:24 AM UTC-11 local

MagnitudeM3.1(ml)
Time19:24 UTC8:24 AM UTC-11
Depth35.0 kmshallow crustal
Coordinates53.980°, -164.562°
Felt byNo felt reports
Status✓ Reviewed by USGS

On February 14, 2026 at 19:24 UTC, a magnitude 3.1 shallow crustal earthquake struck 81 km ESE of Akutan, Alaska, at a depth of 35.0 km and coordinates 53.9797°, -164.5619°.

Physical scale: An earthquake of magnitude 3.1 releases seismic energy equivalent to roughly 674 kg of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 83 m — a useful intuition for the size of the slip patch on the fault.

This earthquake is part of an ongoing aftershock sequence following the magnitude 5.4 mainshock that occurred 18 days ago 83 km SE of Akutan, Alaska. Since the mainshock, the USGS has recorded 110 aftershocks in this area. Aftershock activity is expected to continue for days to weeks as stresses on surrounding faults redistribute.

Map showing earthquake epicenter at 53.98°, -164.56°

Earthquake Details

Magnitude
3.1 ml
Depth
35.0 km
shallow crustal
Location
53.9797°N
-164.5619°E

Technical Information

Event ID
us7000s3jy
Event Type
earthquake
Status
✓ Reviewed
Significance
148
Stations Used
24
Azimuthal Gap
201.0°
Min Station Distance
0.494°
RMS Residual
0.60 sec
Last Updated
2026-05-06 17:53:53 UTC

Common Questions

How strong was the magnitude 3.1 earthquake near Akutan, Alaska?

The magnitude 3.1 earthquake that struck 81 km ESE of Akutan, Alaska on February 14, 2026 at 19:24 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 3.1 earthquakes can continue for several days and gradually diminish over time.

Is this the same earthquake as the M5.4 one earlier?

No. This magnitude 3.1 earthquake is an aftershock of the larger magnitude 5.4 mainshock that occurred earlier 83 km SE of Akutan, Alaska. Aftershocks are smaller earthquakes triggered by stress changes from the mainshock.

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: us7000s3jy). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, February 14, 2026). M3.1 Earthquake 81 km ESE of Akutan, AlaskaFebruary 14, 2026. Retrieved May 13, 2026 from https://www.earthquaketracker.org/earthquakes/event/us7000s3jy/