The Colombian Geological Service (SGC) reported on 2026-09-01 that a magnitude 3.3 earthquake occurred at 8:46 PM local time with epicenter in Istmina, Chocó, Colombia. ^[1] Governor Dilian Francisca Toro announced new security actions for the northern part of the Valle del Cauca region during a departmental security council meeting. ^[2] A new earthquake with a magnitude of 3.1 was reported in the Choco department of Colombia during the early hours of September 1st. ^[3] The Servicio Geológico Colombiano (SGC) confirmed the event occurred at 3:48 a.m. on September 1st. ^[4] According to the SGC, the earthquake had a depth of 43 kilometers and was located 26 kilometers from the municipality of Sipí, Chocó. ^[5] Attacks attributed to Farc dissidents have been recorded in Calima-El Darién, prompting the joint security operation. ^[6] Joint operations between the Colombian Army and the National Police will be conducted in northern municipalities including Ansermanuevo and Calima-El Darién. ^[7] The Servicio Geológico Colombiano (SGC) located the epicenter near the municipality of San Juan in the Choco department. ^[8] The Servicio Geológico Colombiano (SGC) provided specific coordinates for the earthquake, indicating a latitude of 4.30° and a longitude of -76.73°. ^[9] The National Unit for Disaster Risk Management (UNGRD) recommends that families implement an emergency plan including evacuation routes, identification of safe sites, and an emergency kit with water, flashlight, radio, non-perishable food, and identification documents. ^[10] The government plans to incentivize whale-watching tourism in Buenaventura to aid economic reconstruction and social fabric recovery. ^[11]