Hantusch, Marcia, Ivan Melchor, Alberto Caselli, and Sara Maria Pereira da Silva. “Precursory Seismic Activity to the Copahue Volcano Eruptions of June and July 2020”. Revista de la Asociación Geológica Argentina 78, no. 1 (March 9, 2021): 131-134. Accessed February 2, 2023. https://revista.geologica.org.ar/raga/article/view/925.