M4.5 Earthquake 18 km ESE of San Pedro, Colombia — March 15, 2023
2023-03-15 21:50:42 UTC (2023-03-15) · approx. 4:50 PM UTC-5 local
On March 15, 2023 at 21:50 UTC, a magnitude 4.5 intermediate depth earthquake struck 18 km ESE of San Pedro, Colombia, at a depth of 177.8 km and coordinates 3.9045°, -76.0855°. This earthquake was detected by 63 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
-76.0855°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.5 earthquake near San Pedro, Colombia?
The magnitude 4.5 earthquake that struck 18 km ESE of San Pedro, Colombia on March 15, 2023 at 21:50 UTC had a depth of 177.8 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 3.9045°, -76.0855°, which is 18 km ESE of San Pedro, Colombia.
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: us7000jka7). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2023, March 15, 2023). M4.5 Earthquake 18 km ESE of San Pedro, Colombia — March 15, 2023. Retrieved May 20, 2023 from https://www.earthquaketracker.org/earthquakes/event/us7000jka7/