M2.7 Earthquake 19 km NNW of Lake Santeetlah, North Carolina — October 24, 2021
2021-10-24 17:55:10 UTC (2021-10-24) · approx. 11:55 AM UTC-6 local
Felt by 19 people across nearby locations.
On October 24, 2021 at 17:55 UTC, a magnitude 2.7 shallow crustal earthquake struck 19 km NNW of Lake Santeetlah, North Carolina, at a depth of 7.6 km and coordinates 35.5180°, -83.9618°. This earthquake was detected by 32 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 122, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 2.7 releases seismic energy equivalent to roughly 181 kg of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 45 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 19 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
-83.9618°E
Technical Information
Common Questions
How strong was the magnitude 2.7 earthquake near Lake Santeetlah, North Carolina?
The magnitude 2.7 earthquake that struck 19 km NNW of Lake Santeetlah, North Carolina on October 24, 2021 at 17:55 UTC had a depth of 7.6 km. For context, this was a minor earthquake typically detected only by instruments.
Where did the earthquake occur?
The earthquake epicenter was located at 35.5180°, -83.9618°, which is 19 km NNW of Lake Santeetlah, North Carolina.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 2.7 earthquakes can continue for several days and gradually diminish over time.
Authoritative source: USGS event page (event ID: se60361077). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, October 24, 2021). M2.7 Earthquake 19 km NNW of Lake Santeetlah, North Carolina — October 24, 2021. Retrieved January 8, 2022 from https://www.earthquaketracker.org/earthquakes/event/se60361077/