M3.2 Earthquake 154 km W of Adak, Alaska — September 14, 2024
2024-09-14 23:22:22 UTC (2024-09-14) · approx. 11:22 AM UTC-12 local
On September 14, 2024 at 23:22 UTC, a magnitude 3.2 intermediate depth earthquake struck 154 km W of Adak, Alaska, at a depth of 88.4 km and coordinates 51.6509°, -178.8363°.
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.

Earthquake Details
-178.8363°E
Technical Information
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Common Questions
How strong was the magnitude 3.2 earthquake near Adak, Alaska?
The magnitude 3.2 earthquake that struck 154 km W of Adak, Alaska on September 14, 2024 at 23:22 UTC had a depth of 88.4 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.
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Understanding This Data
Magnitude 3.2 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: us6000nznp). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2024, September 14, 2024). M3.2 Earthquake 154 km W of Adak, Alaska — September 14, 2024. Retrieved November 21, 2024 from https://www.earthquaketracker.org/earthquakes/event/us6000nznp/