M4.4 Earthquake 34 km W of Los Varela, Argentina — October 23, 2022
2022-10-23 21:22:02 UTC (2022-10-23) · approx. 5:22 PM UTC-4 local
On October 23, 2022 at 21:22 UTC, a magnitude 4.4 intermediate depth earthquake struck 34 km W of Los Varela, Argentina, at a depth of 155.8 km and coordinates -27.9750°, -66.2185°.
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
-66.2185°E
Technical Information
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Common Questions
How strong was the magnitude 4.4 earthquake near Los Varela, Argentina?
The magnitude 4.4 earthquake that struck 34 km W of Los Varela, Argentina on October 23, 2022 at 21:22 UTC had a depth of 155.8 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: us6000ivz4). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, October 23, 2022). M4.4 Earthquake 34 km W of Los Varela, Argentina — October 23, 2022. Retrieved January 3, 2023 from https://www.earthquaketracker.org/earthquakes/event/us6000ivz4/