M4.3 Earthquake 32 km NNE of San Martín, Argentina — November 26, 2024
2024-11-26 21:29:46 UTC (2024-11-26) · approx. 4:29 PM UTC-5 local
On November 26, 2024 at 21:29 UTC, a magnitude 4.3 intermediate depth earthquake struck 32 km NNE of San Martín, Argentina, at a depth of 104.5 km and coordinates -31.1595°, -68.3550°.
Physical scale: An earthquake of magnitude 4.3 releases seismic energy equivalent to roughly 43 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 558 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-68.3550°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.3 earthquake near San Martín, Argentina?
The magnitude 4.3 earthquake that struck 32 km NNE of San Martín, Argentina on November 26, 2024 at 21:29 UTC had a depth of 104.5 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 4.3 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.3 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us7000nuc5). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2024, November 26, 2024). M4.3 Earthquake 32 km NNE of San Martín, Argentina — November 26, 2024. Retrieved February 2, 2025 from https://www.earthquaketracker.org/earthquakes/event/us7000nuc5/