A 4.8 magnitude quake rocked Yellowstone National Park in Wyoming near the border with Montana, the US Geological Survey said. There were several aftershocks with a magnitude over 3.
The earthquake occurred 37 kilometers northeast of West Yellowstone, Montana at 6:34 am local time (1234 GMT) Sunday.
The quake was centered almost in the middle of Yellowstone National Park, near the Norris Geyser Basin, said Peter Cervelli, a spokesman for the USGS Yellowstone Volcano Observatory, NBC News reported.
Quote the Geologist :
"Our best evidence is that the crustal magma chamber is filling with molten rock," said seismologist Robert B. Smith, lead author of the study and professor of geophysics at the University of Utah.
"But we have no idea how long this process goes on before there either is an eruption or the inflow of molten rock stops and the caldera deflates again," he added. "
http://rt.com/news/yellowstone-national-park-earthquake-225/
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