Popocatépetl
... Popocatepetl is 70 km (43 mi) southeast of Mexico City, from where it can be seen regularly, depending on atmospheric conditions ... By early 2001, Popocatepetl's glaciers had become extinct ice remained on the volcano, but no longer displayed the characteristic features of glaciers such as crevasses ... Magma erupting from Popocatepetl has historically been predominantly andesitic, but it has also erupted large volumes of dacite ...