M4.8 Earthquake 39 km WSW of Villa Basilio Nievas, Argentina — November 20, 2023
2023-11-20 01:47:09 UTC (2023-11-20) · approx. 8:47 PM UTC-5 local
Felt by 2 people across nearby locations.
On November 20, 2023 at 01:47 UTC, a magnitude 4.8 intermediate depth earthquake struck 39 km WSW of Villa Basilio Nievas, Argentina, at a depth of 114.7 km and coordinates -31.6823°, -69.1199°. This earthquake was detected by 58 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 355, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.8 releases seismic energy equivalent to roughly 239 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.2 km — 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 2 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
-69.1199°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.8 earthquake near Villa Basilio Nievas, Argentina?
The magnitude 4.8 earthquake that struck 39 km WSW of Villa Basilio Nievas, Argentina on November 20, 2023 at 01:47 UTC had a depth of 114.7 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at -31.6823°, -69.1199°, which is 39 km WSW of Villa Basilio Nievas, Argentina.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.8 earthquakes can continue for several days and gradually diminish over time.
Authoritative source: USGS event page (event ID: us6000lpj5). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, November 20, 2023). M4.8 Earthquake 39 km WSW of Villa Basilio Nievas, Argentina — November 20, 2023. Retrieved February 1, 2024 from https://www.earthquaketracker.org/earthquakes/event/us6000lpj5/