Bustillos A. J, Romero JE, Troncoso L, Guevara C. A. Tephra fall at Tungurahua Volcano (Ecuador) – 1999-2014: An Example of Tephra Accumulation from a Long-lasting Eruptive CycleTephra fall at Tungurahua Volcano (Ecuador) – 1999-2014: An Example of Tephra Accumulation from a Long-lasting Eruptive Cycle. Geofis Int [Internet]. 31 de diciembre de 2015 [citado 14 de abril de 2026];55(1):55-67. Disponible en: https://revistagi.geofisica.unam.mx/index.php/RGI/article/view/57