Chilean officials declared a state of catastrophe after intense rainfall triggered deadly flooding and mudslides in the Antofagasta region [4].

The disaster underscores the vulnerability of Chile's arid northern regions to extreme weather events, which can rapidly overwhelm local infrastructure and cause significant loss of life.

At least five people died during the storms [1]. The heavy rains caused mudslides that submerged streets, damaged homes, and swept away vehicles [2]. The severity of the weather prompted a red alert for several municipalities, including Antofagasta, Taltal, and Mejillones [3].

President José Antonio Kast oversaw the emergency response as the government worked to manage the crisis [5]. The flooding hit the province of Tocopilla particularly hard, leading to evacuations and the formal state of catastrophe declaration [4].

Reports on the specific areas under the state of catastrophe vary. Some records indicate the declaration applied to the province of Tocopilla in the Antofagasta region [4], while other reports state the declaration covered the Coquimbo region and the province of Huasco [4].

The storms also disrupted critical infrastructure. In some areas, the rainfall severed a key mining highway, impacting the region's primary economic sector [2]. Emergency crews focused on rescuing stranded residents and clearing debris from residential areas where mudslides had buried homes [2].

At least five people were killed

The occurrence of severe flooding in the Antofagasta region is significant because the area is typically arid. The ability of intense, short-term rainfall to trigger catastrophic mudslides and sever key mining arteries suggests that existing infrastructure is not equipped for the increasing volatility of weather patterns in northern Chile.