Magmatic and Volcanic Processes Interpreted from Recent Ash Emissions from Nevado del Ruiz, Colombia

Kellie T Wall1, Christopher Harpel2, Lilly Maritza Martinez3, Julián Andrés Ceballos3 and Gloria Patricia Cortés3, (1)USGS Cascades Volcano Observatory, Vancouver, United States, (2)Nanyang Tech. University, Brush Prairie, United States, (3)Servicio Geológico Colombiano, Bogotá, Colombia