M4.9 Earthquake 123 km W of El Aguilar, Argentina — June 12, 2026
2026-06-12 17:54:29 UTC (2 hours ago) · approx. 1:54 PM UTC-4 local
On June 12, 2026 at 17:54 UTC, a magnitude 4.9 intermediate depth earthquake struck 123 km W of El Aguilar, Argentina, at a depth of 213.1 km and coordinates -23.0602°, -66.8749°. This earthquake was detected by 30 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
-66.8749°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.9 earthquake near El Aguilar, Argentina?
The magnitude 4.9 earthquake that struck 123 km W of El Aguilar, Argentina on June 12, 2026 at 17:54 UTC had a depth of 213.1 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at -23.0602°, -66.8749°, which is 123 km W of El Aguilar, 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.
What should I do after an earthquake?
If you were in the affected area: check yourself and others for injuries, inspect your home for damage, and be prepared for aftershocks. For detailed guidance, see our earthquake safety guide and emergency planning resources.
Authoritative source: USGS event page (event ID: us7000ssir). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, June 12, 2026). M4.9 Earthquake 123 km W of El Aguilar, Argentina — June 12, 2026. Retrieved June 12, 2026 from https://www.earthquaketracker.org/earthquakes/event/us7000ssir/