M5.3 Earthquake 64 km W of Cafayate, Argentina — September 20, 2026
2026-09-20 08:47:54 UTC (1 hour ago) · approx. 4:47 AM UTC-4 local
Felt by 1 person across nearby locations.
On September 20, 2026 at 08:47 UTC, a magnitude 5.3 shallow crustal earthquake struck 64 km W of Cafayate, Argentina, at a depth of 10.0 km and coordinates -25.9869°, -66.6117°. This earthquake was detected by 64 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 432, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 5.3 releases seismic energy equivalent to roughly 1 kilotons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 2.7 km — 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 1 citizen response 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
-66.6117°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 5.3 earthquake near Cafayate, Argentina?
The magnitude 5.3 earthquake that struck 64 km W of Cafayate, Argentina on September 20, 2026 at 08:47 UTC had a depth of 10.0 km. For context, this was a moderate earthquake that could be widely felt.
Where did the earthquake occur?
The earthquake epicenter was located at -25.9869°, -66.6117°, which is 64 km W of Cafayate, Argentina.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 5.3 earthquakes can continue for days to weeks and gradually diminish over time.
Authoritative source: USGS event page (event ID: us7000tiq2). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, September 20, 2026). M5.3 Earthquake 64 km W of Cafayate, Argentina — September 20, 2026. Retrieved September 20, 2026 from https://www.earthquaketracker.org/earthquakes/event/us7000tiq2/