Chocó M7.4 Earthquake: Day 51 - Seismic activity continues with M4.5 aftershock
51 days after the August 10 earthquake, official figures remain at 326 deaths, 4600 injured, and 234 missing. 1 aftershock was recorded in the last 24 hours with a maximum magnitude of 4.5.
General Situation
Today, September 30, 2026, marks 51 days since the magnitude 7.4 earthquake that struck the Chocó department on August 10. Official casualty figures remain unchanged: 326 people dead, 4600 injured, and 234 missing.
Recent Seismic Activity
Seismic activity in the region continues to gradually decrease. In the last 24 hours, 1 aftershock was recorded, with a maximum magnitude of 4.5, according to data from the United States Geological Survey. This aftershock occurred on September 29 at 21:50 UTC, located 15 km southwest of San Antonio, Colombia.
Since the main shock, the aftershock sequence has shown a consistent declining trend, although experts warn that moderate-magnitude aftershocks may continue for additional weeks or months.
Infrastructure Impact
Documented material damage includes 10677 homes destroyed and 65841 homes damaged. Additionally, 127 buildings collapsed during the main seismic event. The total number of people affected is estimated at 185500.
Reconstruction efforts continue in the most affected areas, with work teams focused on debris removal and structural assessment of damaged buildings. Local authorities are coordinating with national and international organizations to accelerate rehabilitation processes.
Humanitarian Response
The Colombian Red Cross maintains field assistance operations, providing medical support, temporary shelter, and basic supplies to affected communities. The United Nations in Colombia and other international organizations continue to coordinate humanitarian aid efforts.
Families seeking information about missing persons can consult the portals colombiatebusca.com and desaparecidos.co.
Technical Information
For detailed technical information about the main earthquake, consult the USGS event page. The Colombian Geological Service continues to monitor seismic activity in the region.
Next Updates
This site will continue to publish situation reports as new official information becomes available regarding the recovery process and any significant developments in the region's seismic activity.



