Location of the Bridge River Vent in southwestern British Columbia
Location
British Columbia, Canada
Parent range
Pacific Ranges
Topo map
NTS 92J12 Mount Dalgleish
Geology
Mountain type
Volcanic crater
Volcanic arc
Canadian Cascade ArcGaribaldi Volcanic Belt
Last eruption
410 BC ± 200 years[1]
The Bridge River Vent is a volcanic crater in the Pacific Ranges of the Coast Mountains in southwestern British Columbia, Canada. It is located 51 km (32 mi) west of Bralorne on the northeastern flank of the Mount Meager massif. With an elevation of 1,524 m (5,000 ft), it lies on the steep northern face of Plinth Peak, a 2,677 m (8,783 ft) high volcanic peak comprising the northern portion of Meager. The vent rises above the western shoulder of the Pemberton Valley and represents the northernmost volcanic feature of the Mount Meager massif.
At least eight volcanic vents compose the Meager massif, with the Bridge River Vent being the most recent to form. It is the only vent of the massif to exhibit volcanic activity in the past 10,000 years and one of the several vents in the Garibaldi Volcanic Belt to erupt since the end of the last glacial period. The crater constitutes a bowl-shaped depression overlain by glacial ice and volcanic debris that were deposited during volcanic activity. Its breached northern rim has been a pathway for lava and ash flows that have traveled throughout the nearby Pemberton Valley.
^"Meager". Global Volcanism Program. Smithsonian Institution. Retrieved 2019-01-24.
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