M3.9 Earthquake 102 km NNW of San Antonio de los Cobres, Argentina — November 12, 2022
2022-11-12 23:36:59 UTC (2022-11-12) · approx. 7:36 PM UTC-4 local
On November 12, 2022 at 23:36 UTC, a magnitude 3.9 intermediate depth earthquake struck 102 km NNW of San Antonio de los Cobres, Argentina, at a depth of 245.1 km and coordinates -23.4166°, -66.8209°.
Physical scale: An earthquake of magnitude 3.9 releases seismic energy equivalent to roughly 11 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 296 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-66.8209°E
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Common Questions
How strong was the magnitude 3.9 earthquake near San Antonio de los Cobres, Argentina?
The magnitude 3.9 earthquake that struck 102 km NNW of San Antonio de los Cobres, Argentina on November 12, 2022 at 23:36 UTC had a depth of 245.1 km. For context, this was a minor earthquake typically detected only by instruments.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 3.9 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 3.9 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: us7000ipde). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, November 12, 2022). M3.9 Earthquake 102 km NNW of San Antonio de los Cobres, Argentina — November 12, 2022. Retrieved January 28, 2023 from https://www.earthquaketracker.org/earthquakes/event/us7000ipde/