M3.1 Earthquake 9 km NE of Kivalina, Alaska — May 12, 2022
2022-05-12 21:56:23 UTC (2022-05-12) · approx. 10:56 AM UTC-11 local
On May 12, 2022 at 21:56 UTC, a magnitude 3.1 shallow crustal earthquake struck 9 km NE of Kivalina, Alaska, at a depth of 11.1 km and coordinates 67.7825°, -164.3519°.
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
-164.3519°E
Technical Information
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Common Questions
How strong was the magnitude 3.1 earthquake near Kivalina, Alaska?
The magnitude 3.1 earthquake that struck 9 km NE of Kivalina, Alaska on May 12, 2022 at 21:56 UTC had a depth of 11.1 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 3.1 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: ak02262nryrc). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, May 12, 2022). M3.1 Earthquake 9 km NE of Kivalina, Alaska — May 12, 2022. Retrieved July 22, 2022 from https://www.earthquaketracker.org/earthquakes/event/ak02262nryrc/