Increase in Seismic Activity Forces to Decree Yellow Alert in Volcanic Complex Laguna Del Maule - La Tercera

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Due to the measure, from Senapred it was determined to declare preventive early warning for the commune of San Clemente.

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According to experts, since mid-May there have been events of greater energy, deformations on the ground and presence of volcanic gases, although without "surface manifestations". Read more

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One of the volcanoes is located in Chilean territory, but its eruption could impact Argentine soil.

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The Laguna del Maule volcanic complex entered the yellow alert phase following a significant increase in seismic activity and ground deformation during July. Authorities are intensifying monitoring, although for now there is no imminent danger to the population. Distribution of seismic activity recorded at the Laguna del Maule volcanic complex during July 2025. The circles represent volcano-tectonic events, with a higher concentration southwest …

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The Argentine Mining Geological Service (SEGEMAR) reported that the technical alert level of the Laguna del Maule Volcanic Complex was raised to yellow. The Volcanic Complex is located on the border between the Argentine provinces of Neuquén and Mendoza, and the international boundary with Chile. The closest localities in Argentine territory are Cochico and Barrancas, in Neuquén; and Las Loicas, Bardas Blancas and Malargüe, in Mendoza, all locat…