M4.5 Earthquake 9 km NE of Santa Lucía, Argentina — March 17, 2022
2022-03-17 19:26:41 UTC (2022-03-17) · approx. 2:26 PM UTC-5 local
On March 17, 2022 at 19:26 UTC, a magnitude 4.5 intermediate depth earthquake struck 9 km NE of Santa Lucía, Argentina, at a depth of 112.6 km and coordinates -31.4918°, -68.4111°.
Physical scale: An earthquake of magnitude 4.5 releases seismic energy equivalent to roughly 85 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 767 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-68.4111°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.5 earthquake near Santa Lucía, Argentina?
The magnitude 4.5 earthquake that struck 9 km NE of Santa Lucía, Argentina on March 17, 2022 at 19:26 UTC had a depth of 112.6 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at -31.4918°, -68.4111°, which is 9 km NE of Santa Lucía, Argentina.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.5 earthquakes can continue for several days and gradually diminish over time.
Authoritative source: USGS event page (event ID: us6000h5ii). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, March 17, 2022). M4.5 Earthquake 9 km NE of Santa Lucía, Argentina — March 17, 2022. Retrieved May 27, 2022 from https://www.earthquaketracker.org/earthquakes/event/us6000h5ii/