Timeline 1883: The eruption of the Krakatau volcanoe. 1902: Eruption of Mount pelee in Martinique. 1912: A river in Alaska cut through volcanic ash from the eruption of mount Katmia. 1980: Mount St. Helens exploded. 1991: Pinatubo spit a large quantity of ash out. 1995: Montserrat had more than two years of eruptions where it blew ash out. |