yellowstone supervolcano eruption Archives - ToursMaps.com ® http://toursmaps.com/tag/yellowstone-supervolcano-eruption Tue, 21 Jun 2016 11:40:24 +0000 en-US hourly 1 https://wordpress.org/?v=6.0.9 Yellowstone There’s Molten Rock Not Far Below You http://toursmaps.com/yellowstone-theres-molten-rock-not-far.html http://toursmaps.com/yellowstone-theres-molten-rock-not-far.html#respond Tue, 28 Jun 2016 12:30:00 +0000 http://toursmaps.com/?p=207101 As you drive along the north end of Hayden Valley, you’re about as close as the road goes to the Sour Creek dome, one of the two areas in the park that overlie molten rock as close as 2 to 3 miles (3-5 km) below the surface. Even a very modest rise of the Sour Creek dome affects the shorelines of Yellowstone Lake. Raising Hayden Valley raises the lake outlet (the Yellowstone River), which in turn raises the lake level. This is a different phenomenon from the rise in lake level due to sudden spring thaws that cause the Yellowstone

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