SGC Reports Magnitude 4.2 Earthquake in Chocó
- A magnitude 4.2 earthquake struck Colombia late Sunday, October 25, 2026, shaking residents across multiple departments and prompting widespread digital reports from citizens who felt the tremor.
- The seismic event registered at latitude 4.25 and longitude -76.73, placing the epicenter 45 kilometers from the municipality of Calima in Valle del Cauca, according to technical bulletins...
- Following the publication of the official SGC bulletin, numerous users flooded the agency's digital platforms to share whether they perceived the ground motion.
A magnitude 4.2 earthquake struck Colombia late Sunday, October 25, 2026, shaking residents across multiple departments and prompting widespread digital reports from citizens who felt the tremor. The Servicio Geológico Colombiano (SGC) reported that the movement occurred at 11:25 p.m., originating in El Litoral del San Juan, Chocó, at a depth of 49 kilometers.
The seismic event registered at latitude 4.25 and longitude -76.73, placing the epicenter 45 kilometers from the municipality of Calima in Valle del Cauca, according to technical bulletins issued by the SGC and cited by eltiempo.com. Global Incident Tracker recorded the incident at 05:27 UTC on Monday, October 26, 2026, classifying the severity level as minor based on available press data.
Tremor Felt Across Multiple Colombian Cities
Following the publication of the official SGC bulletin, numerous users flooded the agency’s digital platforms to share whether they perceived the ground motion. Testimonials poured in from Pereira, Tuluá, Cali, Roldanillo, and other municipalities. Eltiempo.com noted that these citizen accounts reflect personal observations rather than official measurements of intensity in those specific areas.
Earthquake tracking networks observe that shallow and moderate tremors frequently produce wide surface perception depending on local soil conditions and building density. While technical sensors measure the precise energy release and hypocenter depth, population centers often experience varying levels of secondary shaking.
Safety Protocols and Digital Monitoring Tools
The Unidad Nacional para la Gestión del Riesgo de Desastres recommends that families maintain active emergency plans, including mapped evacuation routes, designated safe spots, and emergency kits stocked with water, non-perishable food, flashlights, and identification documents. During an active tremor, safety guidelines advise remaining calm, staying away from windows and exterior doors, and taking shelter under sturdy furniture or near structural columns.
Android smartphone users in the region can access the built-in Android Earthquake Alerts System through device settings under security or location menus. The platform analyzes data from millions of phone sensors to provide advance warnings ahead of strong shaking, though it does not predict future seismic events. Emergency authorities urge residents to inspect properties for structural damage before re-entering buildings, shut off basic utility lines if safe to do so, and rely strictly on official bulletins for ongoing updates.