M4.8 Earthquake 104 km W of San Antonio de los Cobres, Argentina — December 13, 2020
2020-12-13 11:44:20 UTC (2020-12-13) · approx. 7:44 AM UTC-4 local
On December 13, 2020 at 11:44 UTC, a magnitude 4.8 intermediate depth earthquake struck 104 km W of San Antonio de los Cobres, Argentina, at a depth of 182.8 km and coordinates -24.3245°, -67.3430°.
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
-67.3430°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.8 earthquake near San Antonio de los Cobres, Argentina?
The magnitude 4.8 earthquake that struck 104 km W of San Antonio de los Cobres, Argentina on December 13, 2020 at 11:44 UTC had a depth of 182.8 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at -24.3245°, -67.3430°, which is 104 km W of San Antonio de los Cobres, 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: us7000cqrx). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2020, December 13, 2020). M4.8 Earthquake 104 km W of San Antonio de los Cobres, Argentina — December 13, 2020. Retrieved February 20, 2021 from https://www.earthquaketracker.org/earthquakes/event/us7000cqrx/