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= Yellowstone National Park
= Caldera
Yellowstone Monthly Update
Monday, April 02, 2018 9:34 PM US/Mountain
Current Volcano Alert Level: NORMAL
Current Aviation Color Code: GREEN
 
YVO's Mission
The Yellowstone Volcano Observatory provides timely monitoring and hazard assessment of volcanic, hydrothermal, and earthquake activity in the Yellowstone Plateau region.

Features   (archive)
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The source of Yellowstone's heat
April 16, 2018

Yellowstone is a geological wonderland, home to geysers, hot springs, and stunning landscapes, and subject to dynamic forces that result in near constant earthquake activity and ground deformation. But what is driving this activity? What is the source of Yellowstone's heat? New research suggests that Yellowstone's heat engine originates deep within the Earth.

Read all about it in this week's edition of Yellowstone Caldera Chronicles!


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Frequently Asked Questions

Quick Facts
Location: Wyoming and Montana
Latitude: 44.615° N
Longitude: 110.6° W
Elevation: 2,805 (m) 9,203 (f)
Volcano type: Caldera
Composition: basalt to rhyolite
Most recent eruption: 70,000 years ago—lava, current—hydrothermal explosions
Alert Level: Normal (2018-04-03 03:34:08)