M4.9 Earthquake 62 km W of Cafayate, Argentina — September 9, 2026
2026-09-09 10:06:57 UTC (2026-09-09) · approx. 6:06 AM UTC-4 local
On September 9, 2026 at 10:06 UTC, a magnitude 4.9 shallow crustal earthquake struck 62 km W of Cafayate, Argentina, at a depth of 10.0 km and coordinates -26.0568°, -66.6066°. This earthquake was detected by 97 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 369, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.9 releases seismic energy equivalent to roughly 338 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.4 km — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-66.6066°E
Technical Information
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Common Questions
How strong was the magnitude 4.9 earthquake near Cafayate, Argentina?
The magnitude 4.9 earthquake that struck 62 km W of Cafayate, Argentina on September 9, 2026 at 10:06 UTC had a depth of 10.0 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at -26.0568°, -66.6066°, which is 62 km W of Cafayate, Argentina.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.9 earthquakes can continue for several days and gradually diminish over time.
Authoritative source: USGS event page (event ID: us7000tg12). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, September 9, 2026). M4.9 Earthquake 62 km W of Cafayate, Argentina — September 9, 2026. Retrieved October 1, 2026 from https://www.earthquaketracker.org/earthquakes/event/us7000tg12/