Abstract

Ceboruco volcano in western Mexico is catalogued as one of the five most hazardous volcanoes in the country (National Center for Disaster Prevention; CENAPRED); 32,927 people, distributed in several smaller cities, towns and villages, live within a 10 km radius from the volcano. Two permanent Global Navigation Satellite system (GNSS) stations were installed on the Ceboruco volcano in October 2018 to start monitoring surface deformation; we present the results from these two stations. The data was processed using a double-difference strategy to obtain velocity vectors in the ITRF2014 reference frame and 3D position time series. Daily position time series show periods of small-amplitude deflation and inflation of the volcanic edifice that may correspond to changes in its magmatic system. These results confirm that the Ceboruco volcano is currently active so that continuous monitoring is necessary to anticipate possible explosive activity.

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