M2.5 Earthquake 4 km SSW of Walsenburg, Colorado — November 8, 2020
2020-11-08 19:18:49 UTC (2020-11-08) · approx. 12:18 PM UTC-7 local
Felt by 15 people across nearby locations.
On November 8, 2020 at 19:18 UTC, a magnitude 2.5 shallow crustal earthquake struck 4 km SSW of Walsenburg, Colorado, at a depth of 7.1 km and coordinates 37.5884°, -104.7980°.
Physical scale: An earthquake of magnitude 2.5 releases seismic energy equivalent to roughly 84.8 kg of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 32 m — a useful intuition for the size of the slip patch on the fault.
Did You Feel It? — community-reported shaking
Aggregated felt-report intensity from 15 citizen responses to the USGS Did You Feel It? system. Each colored zone represents the average MMI from reports in that area.
Source: U.S. Geological Survey Did You Feel It?. View on USGS · submit your own report
Earthquake Details
-104.7980°E
Technical Information
Common Questions
How strong was the magnitude 2.5 earthquake near Walsenburg, Colorado?
The magnitude 2.5 earthquake that struck 4 km SSW of Walsenburg, Colorado on November 8, 2020 at 19:18 UTC had a depth of 7.1 km. For context, this was a minor earthquake typically detected only by instruments.
Where did the earthquake occur?
The earthquake epicenter was located at 37.5884°, -104.7980°, which is 4 km SSW of Walsenburg, Colorado.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 2.5 earthquakes can continue for several days and gradually diminish over time.
Authoritative source: USGS event page (event ID: us7000cc6x). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2020, November 8, 2020). M2.5 Earthquake 4 km SSW of Walsenburg, Colorado — November 8, 2020. Retrieved January 23, 2021 from https://www.earthquaketracker.org/earthquakes/event/us7000cc6x/