M4.2 Earthquake 102 km W of San Antonio de los Cobres, Argentina — April 28, 2024
2024-04-28 23:22:18 UTC (2024-04-28) · approx. 7:22 PM UTC-4 local
On April 28, 2024 at 23:22 UTC, a magnitude 4.2 intermediate depth earthquake struck 102 km W of San Antonio de los Cobres, Argentina, at a depth of 184.6 km and coordinates -24.3507°, -67.3152°.
Physical scale: An earthquake of magnitude 4.2 releases seismic energy equivalent to roughly 30 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 476 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-67.3152°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.2 earthquake near San Antonio de los Cobres, Argentina?
The magnitude 4.2 earthquake that struck 102 km W of San Antonio de los Cobres, Argentina on April 28, 2024 at 23:22 UTC had a depth of 184.6 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 4.2 earthquakes can continue for several days and gradually diminish over time.
Actions
Understanding This Data
Magnitude 4.2 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000murn). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2024, April 28, 2024). M4.2 Earthquake 102 km W of San Antonio de los Cobres, Argentina — April 28, 2024. Retrieved July 2, 2024 from https://www.earthquaketracker.org/earthquakes/event/us6000murn/