Caldera Chronicles

"It's been two years now since I stepped away from YVO, and I wanted to take this time to reflect a bit on my experiences with the observatory and as...

Geoscientists have never observed an active magma reservoir firsthand because magmas are stored inaccessibly deep underground. However, crystals are...

Yellowstone National park hosts more than 10,000 hydrothermal features including hot springs, geysers, fumaroles, and mud pots. But did you know that...

USGS and Yellowstone National Park scientists visited a newly discovered thermal site in the park. They mapped the extent of the area and took the...

Scientists who work at Yellowstone are interested in finding physical and chemical signals from the deep magmatic system, both to better understand...

What does cause an eruption at volcanoes like Yellowstone? To answer this question, we look at small crystals that formed in erupted volcanic rocks! 

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's...

What is hydrothermal alteration, and why is it important? Most visitors to Yellowstone National Park are only vaguely aware of hydrothermal (hot water...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's...