M5.2 Earthquake 52 km WNW of San Antonio de los Cobres, Argentina — December 14, 2023
2023-12-14 14:57:30 UTC (2023-12-14) · approx. 10:57 AM UTC-4 local
On December 14, 2023 at 14:57 UTC, a magnitude 5.2 intermediate depth earthquake struck 52 km WNW of San Antonio de los Cobres, Argentina, at a depth of 189.7 km and coordinates -24.0695°, -66.8093°. This earthquake was detected by 69 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 416, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 5.2 releases seismic energy equivalent to roughly 951 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 2.3 km — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-66.8093°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 5.2 earthquake near San Antonio de los Cobres, Argentina?
The magnitude 5.2 earthquake that struck 52 km WNW of San Antonio de los Cobres, Argentina on December 14, 2023 at 14:57 UTC had a depth of 189.7 km. For context, this was a moderate earthquake that could be widely felt.
Where did the earthquake occur?
The earthquake epicenter was located at -24.0695°, -66.8093°, which is 52 km WNW of San Antonio de los Cobres, Argentina.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 5.2 earthquakes can continue for days to weeks and gradually diminish over time.
Authoritative source: USGS event page (event ID: us7000liz5). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, December 14, 2023). M5.2 Earthquake 52 km WNW of San Antonio de los Cobres, Argentina — December 14, 2023. Retrieved February 17, 2024 from https://www.earthquaketracker.org/earthquakes/event/us7000liz5/