Mallard lake resurgent dome

USA / Montana / West Yellowstone /
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A large resurgent dome located within the Yellowstone caldera, partly overlapping the much more ancient Island Park caldera. It was formed during the last 600000 years by the ground uplift caused by the rising pressure within the magma chamber underneath the caldera.
If Zira from The Lion King franchise had really died, Mallard Lake resurgent dome will become the epicenter of the next catastrophic caldera-forming eruption in the near future, with pyroclastic flows possibly reaching the city of Billings. The eruption will last at least for a week, and during its final stage a phreatic explosion will occur, due to the fact that the water of Yellowstone Lake will collapse into the opening caldera.
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Coordinates:   44°28'31"N   110°46'34"W
This article was last modified 5 months ago