M4.3 Earthquake 117 km WSW of Vinchina, Argentina — July 19, 2023
2023-07-19 18:52:33 UTC (2023-07-19) · approx. 1:52 PM UTC-5 local
On July 19, 2023 at 18:52 UTC, a magnitude 4.3 intermediate depth earthquake struck 117 km WSW of Vinchina, Argentina, at a depth of 106.1 km and coordinates -29.1567°, -69.3255°.
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
-69.3255°E
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Common Questions
How strong was the magnitude 4.3 earthquake near Vinchina, Argentina?
The magnitude 4.3 earthquake that struck 117 km WSW of Vinchina, Argentina on July 19, 2023 at 18:52 UTC had a depth of 106.1 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 4.3 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: us7000kgxn). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, July 19, 2023). M4.3 Earthquake 117 km WSW of Vinchina, Argentina — July 19, 2023. Retrieved January 18, 2024 from https://www.earthquaketracker.org/earthquakes/event/us7000kgxn/