M4.5 Earthquake 60 km WNW of Colchani, Bolivia — October 6, 2026
2026-10-06 06:54:10 UTC (2 hours ago) · approx. 2:54 AM UTC-4 local
On October 6, 2026 at 06:54 UTC, a magnitude 4.5 intermediate depth earthquake struck 60 km WNW of Colchani, Bolivia, at a depth of 191.7 km and coordinates -20.0088°, -67.4214°. This earthquake was detected by 37 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.

Earthquake Details
-67.4214°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.5 earthquake near Colchani, Bolivia?
The magnitude 4.5 earthquake that struck 60 km WNW of Colchani, Bolivia on October 6, 2026 at 06:54 UTC had a depth of 191.7 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at -20.0088°, -67.4214°, which is 60 km WNW of Colchani, 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: us6000tzva). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, October 6, 2026). M4.5 Earthquake 60 km WNW of Colchani, Bolivia — October 6, 2026. Retrieved October 6, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000tzva/