M3.1 Earthquake 42 km WNW of Nanwalek, Alaska — December 12, 2024
2024-12-12 17:33:28 UTC (2024-12-12) · approx. 7:33 AM UTC-10 local
On December 12, 2024 at 17:33 UTC, a magnitude 3.1 intermediate depth earthquake struck 42 km WNW of Nanwalek, Alaska, at a depth of 83.2 km and coordinates 59.4942°, -152.6127°.
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
-152.6127°E
Technical Information
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Common Questions
How strong was the magnitude 3.1 earthquake near Nanwalek, Alaska?
The magnitude 3.1 earthquake that struck 42 km WNW of Nanwalek, Alaska on December 12, 2024 at 17:33 UTC had a depth of 83.2 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: ak024fy5sxej). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2024, December 12, 2024). M3.1 Earthquake 42 km WNW of Nanwalek, Alaska — December 12, 2024. Retrieved February 18, 2025 from https://www.earthquaketracker.org/earthquakes/event/ak024fy5sxej/