On this day in 1915, Lassen Peak in California erupted

Lassen Peak had its most powerful explosion in a series of eruptions that occurred between 1914 and 1917. Take a look at ...
Moviefone

Mt. Lassen Volcano (1917)

Footage of the eruption of Mt. Lassen in Northern California. Mt. Lassen erupted from 1914-1917, the last volcano in the Cascades to erupt prior to Mt. St. Helens. This footage was most likely taken ...
Smithsonian Magazine

For 25 Years, the Smithsonian’s Global Volcanism Program Has Kept Weekly Tabs on Volcanic Eruptions Around the World. Here’s How They Do It

Since 2000, specialists at the National Museum of Natural History have produced the world’s foremost report on active volcanoes Sally Sennert Did you know that there are between 40 and 50 volcanoes ...