M3.2 Earthquake 108 km WNW of Nikolski, Alaska — October 12, 2022
2022-10-12 22:09:07 UTC (2022-10-12) · approx. 11:09 AM UTC-11 local
On October 12, 2022 at 22:09 UTC, a magnitude 3.2 intermediate depth earthquake struck 108 km WNW of Nikolski, Alaska, at a depth of 217.1 km and coordinates 53.4543°, -170.2478°.
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
-170.2478°E
Technical Information
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Common Questions
How strong was the magnitude 3.2 earthquake near Nikolski, Alaska?
The magnitude 3.2 earthquake that struck 108 km WNW of Nikolski, Alaska on October 12, 2022 at 22:09 UTC had a depth of 217.1 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.
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Understanding This Data
Magnitude 3.2 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: us6000it6i). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, October 12, 2022). M3.2 Earthquake 108 km WNW of Nikolski, Alaska — October 12, 2022. Retrieved December 17, 2022 from https://www.earthquaketracker.org/earthquakes/event/us6000it6i/