Atotal of 510 earthquakes occurred in a single region of Yellowstone National Park in September—a number that is around double the average. The quakes took place near Grizzly Lake in the northwest region of the park, between the areas of Norris and Mammoth, as part of an earthquake “swarm” there that started in July, according to the United States Geological…

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Underneath Yellowstone National Park, a lava-filled river flows. This river is likely to erupt – but when, and what can spectators do to prepare for a disaster of the sort? The Yellowstone caldera’s magma reservoir contains partially melted earth’s crust. The extent of the melt was far more than scientists were expecting to see. This extensive melt…

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