M4.6 Earthquake 38 km S of Mendoza, Argentina — July 28, 2026
2026-07-28 01:37:42 UTC (1 hour ago) · approx. 8:37 PM UTC-5 local
Felt by 11 people across nearby locations.
On July 28, 2026 at 01:37 UTC, a magnitude 4.6 shallow crustal earthquake struck 38 km S of Mendoza, Argentina, at a depth of 36.5 km and coordinates -33.2379°, -68.8772°. This earthquake was detected by 36 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 330, placing it among routine seismic activity.
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 11 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
-68.8772°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 38 km S of Mendoza, Argentina on July 28, 2026 at 01:37 UTC had a depth of 36.5 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at -33.2379°, -68.8772°, which is 38 km S 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: us6000tg9q). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, July 28, 2026). M4.6 Earthquake 38 km S of Mendoza, Argentina — July 28, 2026. Retrieved July 28, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000tg9q/