M3.3 Earthquake 27 km SSW of Antelope Valley-Crestview, Wyoming — November 23, 2020
2020-11-23 21:04:24 UTC (2020-11-23) · approx. 2:04 PM UTC-7 local
On November 23, 2020 at 21:04 UTC, a magnitude 3.3 shallow crustal earthquake struck 27 km SSW of Antelope Valley-Crestview, Wyoming, at a depth of 0.0 km and coordinates 44.0171°, -105.6497°.
Physical scale: An earthquake of magnitude 3.3 releases seismic energy equivalent to roughly 1.3 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 114 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-105.6497°E
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Common Questions
How strong was the magnitude 3.3 earthquake near Antelope Valley-Crestview, Wyoming?
The magnitude 3.3 earthquake that struck 27 km SSW of Antelope Valley-Crestview, Wyoming on November 23, 2020 at 21:04 UTC had a depth of 0.0 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 3.3 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 3.3 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: us7000ck3n). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2020, November 23, 2020). M3.3 Earthquake 27 km SSW of Antelope Valley-Crestview, Wyoming — November 23, 2020. Retrieved February 3, 2021 from https://www.earthquaketracker.org/earthquakes/event/us7000ck3n/