M4.4 Earthquake 71 km NW of San Antonio de los Cobres, Argentina — June 18, 2024
2024-06-18 18:46:59 UTC (2024-06-18) · approx. 2:46 PM UTC-4 local
On June 18, 2024 at 18:46 UTC, a magnitude 4.4 intermediate depth earthquake struck 71 km NW of San Antonio de los Cobres, Argentina, at a depth of 208.1 km and coordinates -23.7776°, -66.8264°.
Physical scale: An earthquake of magnitude 4.4 releases seismic energy equivalent to roughly 60 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 655 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-66.8264°E
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Common Questions
How strong was the magnitude 4.4 earthquake near San Antonio de los Cobres, Argentina?
The magnitude 4.4 earthquake that struck 71 km NW of San Antonio de los Cobres, Argentina on June 18, 2024 at 18:46 UTC had a depth of 208.1 km. For context, this was a light earthquake commonly felt near the epicenter.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.4 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.4 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000mt9e). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2024, June 18, 2024). M4.4 Earthquake 71 km NW of San Antonio de los Cobres, Argentina — June 18, 2024. Retrieved August 30, 2024 from https://www.earthquaketracker.org/earthquakes/event/us7000mt9e/