Pre-eruptive magmatic processes associated with the 2016-2018 explosive activity of Sabancaya volcano (Perù)

Sabancaya volcano is one of the most active Central Andes Volcanoes. Historical records reveal an eruptive activity in 1750-1784 AD and more recently in 1990-1998 AD. The most recent eruptive activity of Sabancaya started in November 2013 and is still ongoing (May 2018). This new period of activity has been divided into two stages: the first stage started in 2013 with increased fumarolic activity, and the second stage began on November 6th 2016, characterized by violent explosions of ash and juvenile lava blocks, and generated ash plumes rising up to 5-6 km. The erupted juvenile ballistic mate... Mehr ...