M4.6 Earthquake 19 km SW of Sipí, Colombia — September 27, 2026
2026-09-27 21:57:52 UTC (2 hours ago) · approx. 4:57 PM UTC-5 local
On September 27, 2026 at 21:57 UTC, a magnitude 4.6 intermediate depth earthquake struck 19 km SW of Sipí, Colombia, at a depth of 70.5 km and coordinates 4.5313°, -76.7753°. This earthquake was detected by 43 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
-76.7753°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.6 earthquake near Sipí, Colombia?
The magnitude 4.6 earthquake that struck 19 km SW of Sipí, Colombia on September 27, 2026 at 21:57 UTC had a depth of 70.5 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 4.5313°, -76.7753°, which is 19 km SW of Sipí, Colombia.
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: us6000ty0u). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, September 27, 2026). M4.6 Earthquake 19 km SW of Sipí, Colombia — September 27, 2026. Retrieved September 27, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000ty0u/