when will long valley caldera erupt
The last time the Long Valley caldera erupted was 50,000 years ago. The Long Valley caldera is the largest eruption in recorded history. The one that actually formed the caldera took place 760,000 years ago, but after that there were more 500,000, 300,000, and 100,000 years ago. Plateau: A plateau is an elevated portion of the land with a flat surface. Incredibly, both the Yellowstone and Long Valley calderas are a lot bigger than Toba. The Long Valley Caldera was formed by a cataclysmic eruption of the Long Valley volcano 760,000 years ago that blew out 150 cubic miles of superheated ash (more than 2000 times larger than the 1980 Mount St. Helens eruption). What is the potential thickness of tephra in Fresno if Long Valley Caldera was to erupt? -What types of monitoring equipment are being used in Long Valley? The supervolcano is thought to erupt once every 1,000 years, though considering its recent history, it’s been dormant for an unusually l