Tijuana firefighters pulled a man from a collapsed tunnel on Wednesday after he became trapped underground for several hours in the Cerro Colorado neighborhood. The rescue, which required specialized extraction techniques, ended without fatalities but raised questions about the tunnel’s origin and purpose in a city where underground passages have a complicated history.
Rescue Took Hours in Cerro Colorado Neighborhood
The emergency call came in Wednesday when residents near Cerro Colorado reported that a man was trapped inside a tunnel that had partially collapsed. Tijuana’s Heroic Fire Department (Heroico Cuerpo de Bomberos) dispatched a team to the scene. Rescuers found the man alive but pinned by debris underground.
The extraction required careful work to avoid triggering a further cave-in. Firefighters used manual digging and shoring techniques over the course of several hours to reach the victim. Emergency medical personnel stood by at the surface throughout the operation.
The man was pulled out alive and transported to a local hospital. Authorities have not released his name or the full extent of his injuries. Initial reports described his condition as stable, though he showed signs of dehydration and minor crush injuries consistent with prolonged entrapment.
Tijuana Has a Long History of Tunnel Discoveries
Tunnels in Tijuana carry immediate associations with cross-border smuggling. U.S. and Mexican authorities have discovered more than 100 tunnels along the Tijuana-San Diego corridor since the early 1990s. Many of these ran from warehouses in Tijuana’s Otay Mesa industrial zone to corresponding buildings on the U.S. side.
But not every tunnel in Tijuana is linked to smuggling. The city’s hilly terrain and informal construction practices have produced a secondary category: unauthorized utility passages, improvised storm drains, and informal mining excavations. Cerro Colorado sits in the eastern part of the city, an area characterized by steep hillsides and densely packed housing. Some residents in these hillside colonias have historically dug informal channels for drainage or to tap into water and sewer lines.
Authorities have not confirmed the purpose of the tunnel where Wednesday’s collapse occurred. The Fiscalía General del Estado (FGE), Baja California’s state attorney general’s office, has not issued a statement classifying the tunnel or announcing an investigation. Local media reported that neighbors were reluctant to discuss the tunnel’s origins with reporters.
Tijuana’s most recent high-profile tunnel discovery came in October 2024, when U.S. authorities found a cross-border passage running from a commercial property in Tijuana to a lot in San Diego’s Otay Mesa. That tunnel stretched roughly 600 meters and included ventilation, lighting, and a rail system. The Cerro Colorado tunnel, by contrast, appeared to be a far more rudimentary excavation.
Collapse Risks Persist in Hillside Colonias
Ground instability is a recurring hazard in Tijuana’s hillside neighborhoods. The city’s rapid growth since the 1970s pushed residential construction onto slopes with loose, sandy soil. Protección Civil, Tijuana’s civil protection agency, has cataloged dozens of colonias as high-risk zones for landslides and ground subsidence.
Cerro Colorado is one of several eastern neighborhoods where informal construction sits on unstable terrain. Heavy winter rains regularly trigger mudslides in these areas. In January 2024, a series of storms caused slope failures across at least six colonias in eastern Tijuana, displacing hundreds of families.
Underground excavations, whether for smuggling, drainage, or other purposes, compound these risks. A tunnel weakens the soil structure above it, and when it collapses, the damage can extend to surface-level homes and roads. Tijuana’s municipal planning office has acknowledged the problem but lacks the resources to survey and map informal underground excavations across the city’s sprawling hillside zones.
For residents in hillside colonias, the practical concern is straightforward. Any new cracks in walls, shifting foundations, or depressions in the ground near homes should be reported to Protección Civil. The agency operates a 24-hour emergency line at 078 for Tijuana residents.
The rescued man remains hospitalized as of Thursday morning. Tijuana fire officials said they sealed the tunnel entrance after the extraction to prevent further access. Whether the FGE opens a formal investigation into the tunnel’s purpose will likely determine how much more the public learns about what was being built beneath Cerro Colorado. This story was first reported by El Imparcial.