
Taking pressure off the spigot, like clockwork.
The eye of Yellowstone is the caldera of the largest active volcano in the world. The magma chamber is 5 miles underground and powers 10 thousand bubbling, spouting fissures around the park.
The last major eruption was 640,000 years ago, and the one before that was 660,000 years prior. It ejected 8000 times as much hot ash as Mount St. Helens… thousands of feet deep for miles, stretching to Chicago, and devegetating 1/3 of America.
So it adds a certain excitement to the lands. =)
BBC docu-drama of the next one.

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