Láscar, located in the northern Chilean Andes, contains six overlapping summit craters and two major edifices; activity began at the eastern volcano and then shifted to the western cone. Frequent small-to-moderate explosive eruptions have been recorded since the mid-19th century, in addition to periodic larger eruptions that produced ashfall hundreds of kilometers away. The previous eruption during October 2015-April 2017 was characterized by ash plumes, thermal activity, and gas-and-steam emissions. This report covers a new eruption that included an explosion, ash plumes, and thermal activity during December 2022 through February 2023 using information from Chile's Servicio Nacional de Geología y Minería, (SERNAGEOMIN).
https://volcano.si.edu/showreport.cfm?doi=10.5479/si.GVP.BGVN202303-355100
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