 | Retrieved 20 September 2021. "Noticias e informe mensual de vigilancia volcánica" (in Spanish). Instituto Geográfico Nacional. 2 October 2021. Archived... 70 KB (6,206 words) - 19:33, 22 January 2024 |
| Retrieved 20 September 2021. "Noticias e informe mensual de vigilancia volcánica" (in Spanish). Instituto Geográfico Nacional. 2 October 2021. Archived... 70 KB (6,206 words) - 19:33, 22 January 2024 |