M4.7 Earthquake 59 km W of San Antonio de los Cobres, Argentina — February 7, 2023
2023-02-07 23:12:52 UTC (2023-02-07) · approx. 7:12 PM UTC-4 local
On February 7, 2023 at 23:12 UTC, a magnitude 4.7 intermediate depth earthquake struck 59 km W of San Antonio de los Cobres, Argentina, at a depth of 174.6 km and coordinates -24.2545°, -66.9039°. This earthquake was detected by 132 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
-66.9039°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.7 earthquake near San Antonio de los Cobres, Argentina?
The magnitude 4.7 earthquake that struck 59 km W of San Antonio de los Cobres, Argentina on February 7, 2023 at 23:12 UTC had a depth of 174.6 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at -24.2545°, -66.9039°, which is 59 km W of San Antonio de los Cobres, Argentina.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.7 earthquakes can continue for several days and gradually diminish over time.
Authoritative source: USGS event page (event ID: us6000jmdu). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, February 7, 2023). M4.7 Earthquake 59 km W of San Antonio de los Cobres, Argentina — February 7, 2023. Retrieved April 15, 2023 from https://www.earthquaketracker.org/earthquakes/event/us6000jmdu/