Glacier Peak | U.S. Geological Survey - USGS.gov
Glacier Peak (3214 m, 10544 ft) is a stratovolcano composed mainly of dacite, which is located about 100 km (65 mi) northeast of Seattle and 110 km (70 mi) south of the International Boundary with Canada.
Hazards Summary for Glacier Peak | U.S. Geological Survey
Nov 9, 2023 · Glacier Peak, Washington simplified hazards map showing potential impact area for ground-based hazards during a volcanic event.(Credit: Faust, Lisa. Public domain.)
Eruption History of Glacier Peak | U.S. Geological Survey - USGS.gov
Nov 12, 2023 · Shortly after glaciers retreated at the end of the most recent ice age, about 13,000 years ago, Glacier Peak generated a sequence of six explosive eruptions. Two of the eruptions were Plinian and one ejected more than five times as much tephra as the May 18, 1980 eruption of Mount St. Helens.
Glacier Peak — History and Hazards of a Cascade Volcano
Glacier Peak lies in Washington State’s North Cascade Mountains, in the heart of a wilderness area bearing its name. Its past eruptions have melted snow and ice to inundate downstream valleys with rocks, mud, and debris.
Geology and History of Glacier Peak | U.S. Geological Survey
Nov 13, 2023 · Glacier Peak (3214 m, 10544 ft) is a stratovolcano composed mainly of dacite, which is located about 100 km (65 mi) northeast of Seattle and 110 km (70 mi) south of the International Boundary with Canada.
Lahar Hazards at Glacier Peak | U.S. Geological Survey - USGS.gov
Nov 6, 2023 · Past eruptions have severely affected river valleys that head on Glacier Peak. Pyroclastic flows mixed with melted snow and glacial ice to form rapidly flowing slurries of rock and mud known as lahars.
Future Eruptions at Glacier Peak | U.S. Geological Survey - USGS.gov
Nov 4, 2023 · Glacier Peak may not erupt within our lifetimes, but if it does its geographic impact would vary depending on the size of the eruption, wind direction, and type of hazards produced.
Summit of Glacier Peak | U.S. Geological Survey - USGS.gov
Nov 11, 2023 · The uppermost 800 m (2,600 ft) of Glacier Peak can be subdivided into three parts, two false summits and the actual summit. The summit of Glacier Peak is covered by the uppermost parts of the Chocolate Glacier on the east, but is …
Map of Glacier National Park | U.S. Geological Survey - USGS.gov
The geologic history of Glacier National Park reveals itself in stunning landscapes and large variations in elevation, climate, and soil type and supports a diverse ecosystems including rare and threatened species.
Images - Glacier Peak | U.S. Geological Survey - USGS.gov
Glacier Peak, Washington simplified hazards map showing potential impact area for ground-based hazards during a volcanic event.