M4.7 Earthquake 39 km NNW of Villa Basilio Nievas, Argentina — November 20, 2025
2025-11-20 19:45:23 UTC (2025-11-20) · approx. 2:45 PM UTC-5 local
On November 20, 2025 at 19:45 UTC, a magnitude 4.7 intermediate depth earthquake struck 39 km NNW of Villa Basilio Nievas, Argentina, at a depth of 116.9 km and coordinates -31.2384°, -68.9387°. This earthquake was detected by 40 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 340, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.7 releases seismic energy equivalent to roughly 169 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.1 km — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-68.9387°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.7 earthquake near Villa Basilio Nievas, Argentina?
The magnitude 4.7 earthquake that struck 39 km NNW of Villa Basilio Nievas, Argentina on November 20, 2025 at 19:45 UTC had a depth of 116.9 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at -31.2384°, -68.9387°, which is 39 km NNW of Villa Basilio Nievas, Argentina.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.7 earthquakes can continue for several days and gradually diminish over time.
What should I do after an earthquake?
If you were in the affected area: check yourself and others for injuries, inspect your home for damage, and be prepared for aftershocks. For detailed guidance, see our earthquake safety guide and emergency planning resources.
Authoritative source: USGS event page (event ID: us6000rpfi). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, November 20, 2025). M4.7 Earthquake 39 km NNW of Villa Basilio Nievas, Argentina — November 20, 2025. Retrieved May 25, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000rpfi/