M4.5 Earthquake 70 km ENE of San Pedro de Atacama, Chile — July 13, 2025
2025-07-13 20:10:59 UTC (2025-07-13) · approx. 3:10 PM UTC-5 local
On July 13, 2025 at 20:10 UTC, a magnitude 4.5 intermediate depth earthquake struck 70 km ENE of San Pedro de Atacama, Chile, at a depth of 164.5 km and coordinates -22.5717°, -67.6221°. This earthquake was detected by 60 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 312, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.5 releases seismic energy equivalent to roughly 85 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 767 m — a useful intuition for the size of the slip patch on the fault.
The epicenter is located in Chile, a region characterized by the Peru-Chile Trench, where the Nazca Plate subducts beneath South America at 65-80 mm per year. The nearest mapped fault system is the Peru-Chile Trench. View all earthquakes in Chile.
Learn more: Magnitude scale · Aftershock sequences
Earthquake Details
-67.6221°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.5 earthquake near San Pedro de Atacama, Chile?
The magnitude 4.5 earthquake that struck 70 km ENE of San Pedro de Atacama, Chile on July 13, 2025 at 20:10 UTC had a depth of 164.5 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at -22.5717°, -67.6221°, which is 70 km ENE of San Pedro de Atacama, Chile. View all earthquakes in Chile.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.5 earthquakes can continue for several days and gradually diminish over time.
Has Chile had earthquakes this big before?
The largest recorded earthquake in Chile was the M9.5 Great Chilean earthquake of May 22, 1960. Today's magnitude 4.5 event is significantly smaller than that historical record.
Actions
Location
Authoritative source: USGS event page (event ID: us7000qcgs). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2025, July 13, 2025). M4.5 Earthquake 70 km ENE of San Pedro de Atacama, Chile — July 13, 2025. Retrieved November 28, 2025 from https://www.earthquaketracker.org/earthquakes/event/us7000qcgs/