Ash from the 1912 Novarupta eruption periodically hits the west side of Kodiak Island, Larsen Bay and Karluk, roughly 65 ...

After the eruption, the global temperature dropped by up to 3°C, and a 'volcanic winter' was witnessed in many places.

Scientists have found previously undocumented ash deposits buried beneath the Lava Creek Tuff in Wyoming — and at least one ...