M4.5 Earthquake 35 km E of Calingasta, Argentina — September 6, 2020
2020-09-06 18:34:00 UTC (2020-09-06) · approx. 1:34 PM UTC-5 local
On September 6, 2020 at 18:34 UTC, a magnitude 4.5 intermediate depth earthquake struck 35 km E of Calingasta, Argentina, at a depth of 121.8 km and coordinates -31.2756°, -69.0544°.
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
-69.0544°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.5 earthquake near Calingasta, Argentina?
The magnitude 4.5 earthquake that struck 35 km E of Calingasta, Argentina on September 6, 2020 at 18:34 UTC had a depth of 121.8 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at -31.2756°, -69.0544°, which is 35 km E of Calingasta, 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: us7000bj0j). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2020, September 6, 2020). M4.5 Earthquake 35 km E of Calingasta, Argentina — September 6, 2020. Retrieved November 17, 2020 from https://www.earthquaketracker.org/earthquakes/event/us7000bj0j/