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Volcán de Colima has increased its activity considerably since 1998 with four periods of effusion and since 2003, daily Vulcanian explosions. During 2005 the magnitude of the explosivity increased, producing many pyroclastic flows, two of which reached over 5 km from the volcano, making them the largest events since the last Plinian eruption in 1913. A significant risk is also presented by the lahar...