M4.7 Earthquake 67 km WNW of El Aguilar, Argentina — May 16, 2026
2026-05-16 10:59:47 UTC (13 hours ago) · approx. 6:59 AM UTC-4 local
On May 16, 2026 at 10:59 UTC, a magnitude 4.7 intermediate depth earthquake struck 67 km WNW of El Aguilar, Argentina, at a depth of 244.8 km and coordinates -22.9850°, -66.2940°. This earthquake was detected by 60 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 340, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.7 releases seismic energy equivalent to roughly 169 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 1.1 km — a useful intuition for the size of the slip patch on the fault.

Earthquake Details
-66.2940°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.7 earthquake near El Aguilar, Argentina?
The magnitude 4.7 earthquake that struck 67 km WNW of El Aguilar, Argentina on May 16, 2026 at 10:59 UTC had a depth of 244.8 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at -22.9850°, -66.2940°, which is 67 km WNW of El Aguilar, Argentina.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.7 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: us6000sy6x). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, May 16, 2026). M4.7 Earthquake 67 km WNW of El Aguilar, Argentina — May 16, 2026. Retrieved May 17, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000sy6x/