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The David A. Johnston Cascades Volcano Observatory (CVO) is a volcano observatory in the US that monitors volcanoes in the northern Cascade Range. It was established in the summer of 1980, after the eruption of Mount St. Helens . [ 2 ]
The center is at 19000 Spirit Lake Highway, in Toutle, at milepost 43 on State Highway 504. ... the Scientist in Charge at Cascades Volcano Observatory, Jon Major, is holding a talk at the Alberta ...
The Mount Jefferson Wilderness is a wilderness area located on and around Mount Jefferson in the central Cascade Range of Oregon in the United States. The wilderness lies within the Willamette National Forest and Deschutes National Forest. The wilderness area covers 111,177 acres (449.92 km 2), with more than 150 lakes.
USGS Cascades Volcano Observatory geophysicist Rebecca Kramer works on station PR05, part of the Mount Rainier lahar detection network. The system has been upgraded and expanded since it was first ...
The Cascade Volcanoes are part of the Pacific Ring of Fire, the ring of volcanoes and associated mountains around the Pacific Ocean. The Cascade Volcanoes have erupted several times in recorded history. Two most recent were Lassen Peak in 1914 to 1921 and a major eruption of Mount St. Helens in 1980.
Montgomery-Brown, an expert on the Long Valley Caldera who is now with the USGS' Cascades Volcano Observatory, said the most recent episode of increased earthquake activity in the area began in ...
Gardner at Mount St. Helens in 2004. Cynthia A. Gardner is an American geologist and volcanologist noted for her work on Mount St. Helens. [1] [2] She was the acting Scientist-in-Charge (SIC) of the Cascades Volcano Observatory during the 2004 volcanic reawakening at Mount St. Helens, and officially served as SIC from 2005 to 2010—the first female to fill the role. [3]
A volcano observatory is an institution that conducts research and monitoring of a volcano. Each observatory provides continuous and periodic monitoring of the seismicity , other geophysical changes, ground movements, volcanic gas chemistry, and hydrologic conditions and activity between and during eruptions .