via Nealtican lava flow field, Popocatépetl volcano: A window to the past and future hazards Boulder, Colo., USA: The Popocatépetl volcano, located southeast of Mexico City, stands as the second highest peak in Mexico and is considered to be one of the potentially most dangerous volcanoes in the world, given its record of highly explosive… Continue reading Nealtican lava flow field, Popocatépetl volcano: A window to the past and future hazards