According to the Colombian Geological Survey (SGC), the earthquakes are located beneath the crater, at depths of less than one kilometer, and are related to the circulation and release of volcanic gases into the atmosphere.
The agency also reported continued sulfur dioxide emissions and the release of gases through fissures in the craters of the Curiquinga and Piocollo volcanoes, although no associated ash emissions have been identified so far.
The temperature inside the Purace volcano crater, associated with the gas emissions, continues to show a decrease in the values recorded by satellite, the SGC added.
The agency’s most recent bulletin also reported on the detection, on January 12, of a secondary mudflow (lahar) in the northeastern sector of the volcano, identified by seismic records and which, due to its size, did not represent a risk to the population.
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