M3.4 Earthquake near Rat Islands, Aleutian Islands, Alaska — May 28, 2020
2020-05-28 23:37:30 UTC (2020-05-28) · approx. 11:37 AM UTC+12 local
On May 28, 2020 at 23:37 UTC, a magnitude 3.4 intermediate depth earthquake struck near Rat Islands, Aleutian Islands, Alaska, at a depth of 116.1 km and coordinates 51.7451°, 178.3106°.
Physical scale: An earthquake of magnitude 3.4 releases seismic energy equivalent to roughly 1.9 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 134 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
178.3106°E
Technical Information
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Common Questions
How strong was the magnitude 3.4 earthquake near Rat Islands, Aleutian Islands, Alaska?
The magnitude 3.4 earthquake that struck near Rat Islands, Aleutian Islands, Alaska on May 28, 2020 at 23:37 UTC had a depth of 116.1 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 3.4 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 3.4 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: us6000a60i). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2020, May 28, 2020). M3.4 Earthquake near Rat Islands, Aleutian Islands, Alaska — May 28, 2020. Retrieved August 15, 2020 from https://www.earthquaketracker.org/earthquakes/event/us6000a60i/