3.2

M3.2 Earthquake 107 km SE of Akhiok, AlaskaSeptember 11, 2026

2026-09-11 19:17:05 UTC (38 min ago) · approx. 9:17 AM UTC-10 local

MagnitudeM3.2(ml)
Time19:17 UTC9:17 AM UTC-10
Depth15.1 kmshallow crustal
Coordinates56.250°, -152.951°
Felt byNo felt reports
StatusAutomatic (preliminary)

On September 11, 2026 at 19:17 UTC, a magnitude 3.2 shallow crustal earthquake struck 107 km SE of Akhiok, Alaska, at a depth of 15.1 km and coordinates 56.2500°, -152.9510°.

Physical scale: An earthquake of magnitude 3.2 releases seismic energy equivalent to roughly 951 kg of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 97 m — a useful intuition for the size of the slip patch on the fault.

Map showing earthquake epicenter at 56.25°, -152.95°

Earthquake Details

Magnitude
3.2 ml
Depth
15.1 km
shallow crustal
Location
56.2500°N
-152.9510°E

Technical Information

Event ID
aka2026saudea
Event Type
earthquake
Status
Automatic
Significance
158
Stations Used
35
Azimuthal Gap
276.0°
Min Station Distance
0.800°
RMS Residual
0.50 sec
Last Updated
2026-09-11 19:19:37 UTC

Common Questions

How strong was the magnitude 3.2 earthquake near Akhiok, Alaska?

The magnitude 3.2 earthquake that struck 107 km SE of Akhiok, Alaska on September 11, 2026 at 19:17 UTC had a depth of 15.1 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 3.2 earthquakes can continue for several days and gradually diminish over time.

Understanding This Data

Magnitude 3.2 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: aka2026saudea). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, September 11, 2026). M3.2 Earthquake 107 km SE of Akhiok, AlaskaSeptember 11, 2026. Retrieved September 11, 2026 from https://www.earthquaketracker.org/earthquakes/event/aka2026saudea/