M4.6 Earthquake 88 km SSW of Uyuni, Bolivia — October 17, 2026
2026-10-17 16:52:45 UTC (2 hours ago) · approx. 12:52 PM UTC-4 local
On October 17, 2026 at 16:52 UTC, a magnitude 4.6 intermediate depth earthquake struck 88 km SSW of Uyuni, Bolivia, at a depth of 189.5 km and coordinates -21.1752°, -67.2144°. This earthquake was detected by 80 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 326, placing it among routine seismic activity.
Physical scale: An earthquake of magnitude 4.6 releases seismic energy equivalent to roughly 120 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 899 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-67.2144°E
Technical Information
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Common Questions
How strong was the magnitude 4.6 earthquake near Uyuni, Bolivia?
The magnitude 4.6 earthquake that struck 88 km SSW of Uyuni, Bolivia on October 17, 2026 at 16:52 UTC had a depth of 189.5 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at -21.1752°, -67.2144°, which is 88 km SSW of Uyuni, Bolivia.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.6 earthquakes can continue for several days and gradually diminish over time.
Authoritative source: USGS event page (event ID: us6000u30x). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, October 17, 2026). M4.6 Earthquake 88 km SSW of Uyuni, Bolivia — October 17, 2026. Retrieved October 17, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000u30x/