M2.9 Earthquake 6 km WSW of Gypsum, Kansas — November 17, 2021
2021-11-17 21:43:10 UTC (2021-11-17) · approx. 2:43 PM UTC-7 local
Felt by 15 people across nearby locations.
On November 17, 2021 at 21:43 UTC, a magnitude 2.9 shallow crustal earthquake struck 6 km WSW of Gypsum, Kansas, at a depth of 5.0 km and coordinates 38.6852°, -97.5026°.
Physical scale: An earthquake of magnitude 2.9 releases seismic energy equivalent to roughly 338 kg of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 60 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
-97.5026°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 2.9 earthquake near Gypsum, Kansas?
The magnitude 2.9 earthquake that struck 6 km WSW of Gypsum, Kansas on November 17, 2021 at 21:43 UTC had a depth of 5.0 km. For context, this was a minor earthquake typically detected only by instruments.
Where did the earthquake occur?
The earthquake epicenter was located at 38.6852°, -97.5026°, which is 6 km WSW of Gypsum, Kansas.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 2.9 earthquakes can continue for several days and gradually diminish over time.
Authoritative source: USGS event page (event ID: us7000fuxm). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, November 17, 2021). M2.9 Earthquake 6 km WSW of Gypsum, Kansas — November 17, 2021. Retrieved January 22, 2022 from https://www.earthquaketracker.org/earthquakes/event/us7000fuxm/