M4.5 Earthquake 145 km SW of Uyuni, Bolivia — December 25, 2021
2021-12-25 17:55:01 UTC (2021-12-25) · approx. 12:55 PM UTC-5 local
On December 25, 2021 at 17:55 UTC, a magnitude 4.5 intermediate depth earthquake struck 145 km SW of Uyuni, Bolivia, at a depth of 167.1 km and coordinates -21.3265°, -67.8704°.
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.
Earthquake Details
-67.8704°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.5 earthquake near Uyuni, Bolivia?
The magnitude 4.5 earthquake that struck 145 km SW of Uyuni, Bolivia on December 25, 2021 at 17:55 UTC had a depth of 167.1 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at -21.3265°, -67.8704°, which is 145 km SW of Uyuni, Bolivia.
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.
Authoritative source: USGS event page (event ID: us6000gf9n). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2021, December 25, 2021). M4.5 Earthquake 145 km SW of Uyuni, Bolivia — December 25, 2021. Retrieved March 5, 2022 from https://www.earthquaketracker.org/earthquakes/event/us6000gf9n/