M4.4 Earthquake 54 km SW of Ollagüe, Chile — October 7, 2023
2023-10-07 17:57:19 UTC (2023-10-07) · approx. 12:57 PM UTC-5 local
On October 7, 2023 at 17:57 UTC, a magnitude 4.4 intermediate depth earthquake struck 54 km SW of Ollagüe, Chile, at a depth of 139.2 km and coordinates -21.6197°, -68.5637°.
Physical scale: An earthquake of magnitude 4.4 releases seismic energy equivalent to roughly 60 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 655 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-68.5637°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.4 earthquake near Ollagüe, Chile?
The magnitude 4.4 earthquake that struck 54 km SW of Ollagüe, Chile on October 7, 2023 at 17:57 UTC had a depth of 139.2 km. For context, this was a light earthquake commonly felt near the epicenter.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.4 earthquakes can continue for several days and gradually diminish over time.
Actions
Location
Understanding This Data
Magnitude 4.4 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000ldvg). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, October 7, 2023). M4.4 Earthquake 54 km SW of Ollagüe, Chile — October 7, 2023. Retrieved December 14, 2023 from https://www.earthquaketracker.org/earthquakes/event/us6000ldvg/