M4.5 Earthquake near San Juan, Argentina — September 10, 2022
2022-09-10 23:45:51 UTC (2022-09-10) · approx. 6:45 PM UTC-5 local
On September 10, 2022 at 23:45 UTC, a magnitude 4.5 intermediate depth earthquake struck near San Juan, Argentina, at a depth of 109.7 km and coordinates -31.8550°, -68.3265°. This earthquake was detected by 58 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 312, placing it among routine seismic activity.
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
-68.3265°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.5 earthquake near San Juan, Argentina?
The magnitude 4.5 earthquake that struck near San Juan, Argentina on September 10, 2022 at 23:45 UTC had a depth of 109.7 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at -31.8550°, -68.3265°, which is near San Juan, 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: us6000iita). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2022, September 10, 2022). M4.5 Earthquake near San Juan, Argentina — September 10, 2022. Retrieved November 19, 2022 from https://www.earthquaketracker.org/earthquakes/event/us6000iita/