A sudden mudslide and flash flooding struck the San Carlos de Apoquindo sector of Las Condes, in Santiago, Chile, on October 8, 2026, affecting roughly 2,015 homes and injuring at least six people. Chile's regional prosecutor's office has opened a criminal investigation into possible breaches of duty of care, while President José Antonio Kast declared a state of emergency for the district.
What happened
On the evening of Thursday, October 8, 2026, around 5:00 p.m. local time, an aluvión — a fast-moving flow of mud, rocks, logs and debris — swept down from a ravine near the Andes into the San Carlos de Apoquindo sector of Las Condes, an eastern district of Santiago, Chile, according to Fiscalía Oriente and the regional emergency office Senapred. The flow moved through streets, flooding homes, businesses, schools and health facilities over an area described by prosecutors as covering about 3.1 square kilometers.
Las Condes Mayor Catalina San Martín said 14.4 centimeters of rain had fallen in the preceding days, roughly nine times the average for October, saturating the ground before the slide. According to Euronews, the Mapocho River, which runs through Santiago, also overflowed, prompting evacuation orders in the area.
Casualties and scale of the damage
Senapred director Alicia Cebrián described the event as sudden, saying it resulted from a large volume of rain concentrated in a short period over the affected area, leaving authorities responding reactively rather than through advance evacuation. "There was no possibility of generating anticipatory evacuation processes," she said.
Las Condes mudslide: key figures
Metric
Figure
Source
Rainfall (preceding days)
14.4 cm — about nine times the October average
Mayor Catalina San Martín, via Euronews
Homes/area affected
~2,015 residences across roughly 3.1 km²
BioBioChile, Fiscalía Oriente
People evacuated or rescued
Roughly 1,000–1,200
Euronews / BioBioChile
People injured
At least six, including a one-year-old child with fractures
Euronews (Senapred)
Schools closed
8 municipal schools and 5 kindergartens in the affected sector; authorities also ordered further school closures for Friday
BioBioChile / Euronews
No deaths have been reported. Early accounts from the night of the slide cited one person with fractures and another with multiple injuries; later figures from emergency authorities put the total injured at six, including the child.
Government response
President José Antonio Kast declared a state of emergency for Las Condes, giving government agencies expanded powers to respond, according to Euronews. Senapred placed ten additional communes in the Santiago metropolitan region on high alert for further landslides amid continuing rain, and authorities ordered school closures in affected areas.
Investigation opens
The Fiscalía Regional Metropolitana Oriente opened a criminal investigation the day after the slide to determine its causes and whether any public or private party bears legal responsibility. The inquiry is led by chief prosecutor Francisco Lanas and adjunct prosecutor Manuel Zará, who specializes in risk-related cases, according to BioBioChile and Cooperativa.cl. Specialized units of the Carabineros police — OS9 and the Labocar forensic laboratory — have been tasked with gathering evidence.
Prosecutors are examining the prior condition of the ravine and water channels in the area and are weighing possible charges including a quasi-delict of injuries (cuasidelito de lesiones) and breach of duty of care, Cooperativa.cl reported.
Background: warnings before the slide
Mayor San Martín said the municipality had previously warned of aluvión risk in the Quebrada Honda ravine following forest fires in the area, and criticized Chile's Ministry of Public Works (MOP) for delays in installing dynamic containment meshes that she said had been approved in March but were still not in place. She said the municipality lacks the authority to carry out major engineering works on the ravine itself and called for additional measures such as settling pools.
Public Works Minister Louis de Grange responded that "no preventive measure could have prevented what occurred," comparing the unpredictability of the event to an earthquake, while acknowledging that further infrastructure work requires engineering studies and construction time, according to Cooperativa.cl.
Euronews reporting also linked the heavy rainfall to a strengthening El Niño pattern, noting the World Meteorological Organization has forecast that this year's El Niño could rank among the most intense since 1950.
There was no possibility of generating anticipatory evacuation processes.
— Alicia Cebrián, director of Senapred
Questions
When did the Las Condes flooding and mudslide happen?
The aluvión struck the San Carlos de Apoquindo sector of Las Condes on the evening of Thursday, October 8, 2026, around 5:00 p.m. local time.
How many people were hurt and how many homes were affected?
At least six people were injured, including a one-year-old child with fractures, and roughly 2,015 homes across about 3.1 square kilometers were affected, according to Senapred and Fiscalía Oriente.
Why did Chile's prosecutors open an investigation?
The Fiscalía Regional Metropolitana Oriente is investigating the cause of the mudslide and whether any party breached its duty of care, examining possible charges including a quasi-delict of injuries.
What caused the mudslide?
Mayor Catalina San Martín said 14.4 centimeters of rain fell in the days before the slide — about nine times the October average — saturating a ravine near San Carlos de Apoquindo; Senapred's director called it a sudden event driven by a large volume of rain in a short time.
What is the government doing in response?
President José Antonio Kast declared a state of emergency for Las Condes, and Senapred put ten additional communes on high alert while ordering school closures in affected areas.
How the world is telling it
SpanishChilean Spanish-language outlets framed the story heavily around institutional accountability, highlighting the mayor of Las Condes' public criticism of the Ministry of Public Works for delayed ravine-containment works and detailing the specific legal grounds (cuasidelito de lesiones, incumplimiento de deberes de cuidado) under which prosecutors are investigating, with less emphasis on the El Niño climate context found in English-language coverage.
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