M4.8 Earthquake 15 km W of Villa Basilio Nievas, Argentina — December 18, 2024
2024-12-18 09:52:25 UTC (2024-12-18) · approx. 4:52 AM UTC-5 local
On December 18, 2024 at 09:52 UTC, a magnitude 4.8 intermediate depth earthquake struck 15 km W of Villa Basilio Nievas, Argentina, at a depth of 103.7 km and coordinates -31.5324°, -68.8933°. This earthquake was detected by 90 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 354, 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.

Earthquake Details
-68.8933°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 15 km W of Villa Basilio Nievas, Argentina on December 18, 2024 at 09:52 UTC had a depth of 103.7 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at -31.5324°, -68.8933°, which is 15 km W 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: us7000nzrr). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2024, December 18, 2024). M4.8 Earthquake 15 km W of Villa Basilio Nievas, Argentina — December 18, 2024. Retrieved February 27, 2025 from https://www.earthquaketracker.org/earthquakes/event/us7000nzrr/