M3.9 Earthquake 13 km NNW of Yacuiba, Bolivia — December 20, 2024
2024-12-20 20:19:26 UTC (2024-12-20) · approx. 4:19 PM UTC-4 local
On December 20, 2024 at 20:19 UTC, a magnitude 3.9 deep-focus earthquake struck 13 km NNW of Yacuiba, Bolivia, at a depth of 523.3 km and coordinates -21.9065°, -63.7394°.
Physical scale: An earthquake of magnitude 3.9 releases seismic energy equivalent to roughly 11 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 296 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
-63.7394°E
Technical Information
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Common Questions
How strong was the magnitude 3.9 earthquake near Yacuiba, Bolivia?
The magnitude 3.9 earthquake that struck 13 km NNW of Yacuiba, Bolivia on December 20, 2024 at 20:19 UTC had a depth of 523.3 km. For context, this was a minor earthquake typically detected only by instruments.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 3.9 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 3.9 earthquakes are typically only recorded by instruments.
Authoritative source: USGS event page (event ID: us6000phjy). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2024, December 20, 2024). M3.9 Earthquake 13 km NNW of Yacuiba, Bolivia — December 20, 2024. Retrieved February 27, 2025 from https://www.earthquaketracker.org/earthquakes/event/us6000phjy/