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 …
Glacier Peak — History and Hazards of a Cascade Volcano
Glacier Peak and Mount St. Helens are the only volcanoes in Washington State that have generated large, explosive eruptions in the past 15,000 years. Their violent behavior results …
Eruption History of Glacier Peak | U.S. Geological Survey - USGS.gov
2023年11月12日 · Glacier Peak has erupted at intervals of about 500 to 2,000 years during the past 6,000 years and at least twice during the past 2,000 years. Eruptions of 2,000 and 1,100 …
Geology and History of Glacier Peak | U.S. Geological Survey
Volcanism occurs at Glacier Peak and other volcanoes in the Cascades arc due to subduction of the Juan de Fuca plate off the western coast of North America. The age of the volcanic cone …
Future Eruptions at Glacier Peak | U.S. Geological Survey - USGS.gov
2023年11月4日 · Future eruptions from Glacier Peak will very likely be preceded by earthquakes, and possibly by measurable swelling of the volcano and emission of volcanic gases.
Hazards Summary for Glacier Peak | U.S. Geological Survey
2023年11月9日 · Glacier Peak tends to erupt explosively, and when the volcano reawakens the most serious hazards will impact population centers located relatively far away from the volcano.
Summit of Glacier Peak | U.S. Geological Survey - USGS.gov
2023年11月11日 · The summit of Glacier Peak is covered by the uppermost parts of the Chocolate Glacier on the east, but is partly exposed on the west and south. It consists of a …
Lahar Hazards at Glacier Peak | U.S. Geological Survey - USGS.gov
2023年11月6日 · 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 …
Earthquake Monitoring at Glacier Peak | U.S. Geological Survey
2023年11月8日 · With just one nearby station, it is likely that very small (M < 1.0) earthquakes are not routinely detected and located at Glacier Peak. The ability to detect and locate very small …
Lidar Reveals Glacier Peak Volcano | Land Imaging Report Site
Preliminary work suggests that Glacier Peak may be one of the most explosive volcanoes in the Cascade Range, placing it in the highest threat category within the Volcano Hazards …