M3.0 Earthquake 26 km SSE of Antelope Valley-Crestview, Wyoming — December 28, 2021
2021-12-28 18:56:42 UTC (2021-12-28) · approx. 11:56 AM UTC-7 local
On December 28, 2021 at 18:56 UTC, a magnitude 3.0 shallow crustal earthquake struck 26 km SSE of Antelope Valley-Crestview, Wyoming, at a depth of 0.0 km and coordinates 43.9912°, -105.4062°.
Physical scale: An earthquake of magnitude 3.0 releases seismic energy equivalent to roughly 477 kg of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 71 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-105.4062°E
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Common Questions
How strong was the magnitude 3.0 earthquake near Antelope Valley-Crestview, Wyoming?
The magnitude 3.0 earthquake that struck 26 km SSE of Antelope Valley-Crestview, Wyoming on December 28, 2021 at 18:56 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 3.0 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 3.0 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: us6000gfwi). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, December 28, 2021). M3.0 Earthquake 26 km SSE of Antelope Valley-Crestview, Wyoming — December 28, 2021. Retrieved March 5, 2022 from https://www.earthquaketracker.org/earthquakes/event/us6000gfwi/