M3.1 Earthquake 116 km S of Akhiok, Alaska — April 7, 2026
2026-04-07 17:32:44 UTC (2026-04-07) · approx. 7:32 AM UTC-10 local
On April 7, 2026 at 17:32 UTC, a magnitude 3.1 shallow crustal earthquake struck 116 km S of Akhiok, Alaska, at a depth of 20.0 km and coordinates 55.9130°, -154.4920°.
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.
Earthquake Details
-154.4920°E
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Common Questions
How strong was the magnitude 3.1 earthquake near Akhiok, Alaska?
The magnitude 3.1 earthquake that struck 116 km S of Akhiok, Alaska on April 7, 2026 at 17:32 UTC had a depth of 20.0 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.
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Understanding This Data
Magnitude 3.1 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: aka2026gvopwm). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, April 7, 2026). M3.1 Earthquake 116 km S of Akhiok, Alaska — April 7, 2026. Retrieved September 23, 2026 from https://www.earthquaketracker.org/earthquakes/event/aka2026gvopwm/