A person who believes that life on Earth can or will be mostly destroyed by a massive volcanic eruption.
The difference between my interest and that of eruptionists is that they think the big bang will happen tomorrow because it didn’t happen today.
—Ken Newton, “Amid the mysteries of Elwood,” St. Joseph News-Press, April 5, 2014
Leckie told the LA Times: “Those bison were running for the sake of running. There was nothing chasing them. There was no mudslide. They were just running.”
Two weeks later, an earthquake swarm hit the Yellowstone area.
This word is quite old, with lots of citations to be had from the 18th and early 19th century. However, those older cites seem to be using the term as a synonym for what back then would have been called a vulcanologist, but what we now call a volcanologist, an expert on volcanoes and volcanic activity.