M4.6 Earthquake 26 km W of Mendoza, Argentina — June 23, 2021
2021-06-23 23:20:38 UTC (2021-06-23) · approx. 6:20 PM UTC-5 local
Felt by 24 people across nearby locations.
On June 23, 2021 at 23:20 UTC, a magnitude 4.6 shallow crustal earthquake struck 26 km W of Mendoza, Argentina, at a depth of 19.0 km and coordinates -32.8870°, -69.1120°.
Physical scale: An earthquake of magnitude 4.6 releases seismic energy equivalent to roughly 120 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 899 m — a useful intuition for the size of the slip patch on the fault.
Did You Feel It? — community-reported shaking
Aggregated felt-report intensity from 24 citizen responses to the USGS Did You Feel It? system. Each colored zone represents the average MMI from reports in that area.
Source: U.S. Geological Survey Did You Feel It?. View on USGS · submit your own report
Earthquake Details
-69.1120°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.6 earthquake near Mendoza, Argentina?
The magnitude 4.6 earthquake that struck 26 km W of Mendoza, Argentina on June 23, 2021 at 23:20 UTC had a depth of 19.0 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at -32.8870°, -69.1120°, which is 26 km W of Mendoza, Argentina.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.6 earthquakes can continue for several days and gradually diminish over time.
Authoritative source: USGS event page (event ID: us6000ep6y). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, June 23, 2021). M4.6 Earthquake 26 km W of Mendoza, Argentina — June 23, 2021. Retrieved December 7, 2021 from https://www.earthquaketracker.org/earthquakes/event/us6000ep6y/