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Onemi tonight reported that the yellow warning is kept in the Ñuble region of Pinto, Coihueco and San Fabián thanks to the operation of the Nevados de Chillán volcanic complex. Meanwhile, Sernageomin keeps an orange-level technical alert after an explosive event registered today at dawn.
According to the latest special report on volcanic activity (REAV) today, at 3:00 am, monitoring stations installed near the complex recorded an explosive event associated with a prolonged earthquake associated with fluid dynamics in the volcanic system.
The earthquake was recorded at a depth of one kilometer, and the explosion was related to the recording of a seismic signal with a displacement value of 599 cm2, which is considered high.
In addition, there was an incandescent lamp associated with gas emissions and high temperature pyroclastic material that was stored near an active crater. This leads to the conclusion that the dome placed in the crater is partially destroyed.
No other abnormal signals have been recorded since this event. It is also noted that this event is covered in the current warning scenario.
The Yellow Alert is valid as of December 31, 2015. On July 14, 2018, it was updated with a recommendation to maintain a 3-kilometer radius around active craters and contingency plans in the zones. potential risks.
At the second moment, the orange-level technical warning includes significant variations in the volcanic process, resulting from an analysis of monitoring parameters, where a possible eruption could develop over several days or weeks.
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