M4.5 Earthquake 18 km S of Yacuiba, Bolivia — February 12, 2023
2023-02-12 19:44:14 UTC (2023-02-12) · approx. 3:44 PM UTC-4 local
Felt by 1 person across nearby locations.
On February 12, 2023 at 19:44 UTC, a magnitude 4.5 deep-focus earthquake struck 18 km S of Yacuiba, Bolivia, at a depth of 529.7 km and coordinates -22.1870°, -63.6938°. This earthquake was detected by 82 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.
Did You Feel It? — community-reported shaking
Aggregated felt-report intensity from 1 citizen response to the USGS Did You Feel It? system. Each colored zone represents the average MMI from reports in that area.
Source: U.S. Geological Survey Did You Feel It?. View on USGS · submit your own report
Earthquake Details
-63.6938°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.5 earthquake near Yacuiba, Bolivia?
The magnitude 4.5 earthquake that struck 18 km S of Yacuiba, Bolivia on February 12, 2023 at 19:44 UTC had a depth of 529.7 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at -22.1870°, -63.6938°, which is 18 km S of Yacuiba, 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: us6000jnhc). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, February 12, 2023). M4.5 Earthquake 18 km S of Yacuiba, Bolivia — February 12, 2023. Retrieved April 22, 2023 from https://www.earthquaketracker.org/earthquakes/event/us6000jnhc/