M3.5 Earthquake 52 km ESE of Atka, Alaska — May 27, 2022
2022-05-27 16:01:15 UTC (2022-05-27) · approx. 4:01 AM UTC-12 local
On May 27, 2022 at 16:01 UTC, a magnitude 3.5 intermediate depth earthquake struck 52 km ESE of Atka, Alaska, at a depth of 74.0 km and coordinates 52.0529°, -173.4752°.
Physical scale: An earthquake of magnitude 3.5 releases seismic energy equivalent to roughly 2.7 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 157 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-173.4752°E
Technical Information
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Common Questions
How strong was the magnitude 3.5 earthquake near Atka, Alaska?
The magnitude 3.5 earthquake that struck 52 km ESE of Atka, Alaska on May 27, 2022 at 16:01 UTC had a depth of 74.0 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 3.5 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 3.5 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: us7000hd4x). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, May 27, 2022). M3.5 Earthquake 52 km ESE of Atka, Alaska — May 27, 2022. Retrieved August 2, 2022 from https://www.earthquaketracker.org/earthquakes/event/us7000hd4x/