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valley. At the time of eruption, the valley was filled by glacial ice. The lava flow was stopped by the ice and ponded, eventually cooling to form an
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nearby, and the relocation of residents to new recreational subdivisions away from the hazard zone. Should The
Barrier completely collapse,
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to declare the area immediately below it unsafe for human habitation in 1981. This led to the evacuation of the small resort village of
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in the area below
Garibaldi Lake. The most recent major landslide in 1855-1856 formed a large boulder field which gives
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Concerns about The
Barrier's instability due to volcanic, tectonic, or heavy rainfall activity prompted the provincial
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The area below and adjacent to The
Barrier is considered hazardous due to the unstable lava formation.
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The
Barrier was formed about 15,000–12,000 years ago when large lava flows emanated from
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10 cu ft) of rock was removed from The
Barrier during the 1855-1856 event.
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The unstable lava formation of The
Barrier has in the past unleashed several
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432:"Fire and Ice: Distinctive landscape features of Garibaldi Provincial Park"
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would be considerable, including major damage to the town of
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This article is about the volcanic dam. For other uses, see
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Catalogue of
Canadian volcanoes - Garibaldi volcanic belt
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would be entirely released and downstream damage in the
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43:The rock fall area and the edge of The Barrier
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279:its name. At least 30,000,000 m (1.1
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255:. The large lava flowed towards the
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477:"Garibaldi Lake a ticking time bomb"
16:Lava dam in British Columbia, Canada
516:Natural hazards in British Columbia
187:9.94 km (3.84 sq mi)
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236:long where it impounds the lake.
372:BCGNIS Geographical Name Details
458:"The Barrier remains a concern"
26:Dam in British Columbia, Canada
407:Government of British Columbia
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541:New Westminster Land District
536:Garibaldi Lake volcanic field
333:Garibaldi Lake volcanic field
192:Maximum water depth
403:"Where do landslides occur?"
203:1,484 m (4,869 ft)
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267:Rubble Creek boulder field
195:258.7 m (849 ft)
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353:Garibaldi Provincial Park
234:2.4 km (1.5 mi)
146:2.4 km (1.5 mi)
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501:Dams in British Columbia
251:on the west shoulder of
230:300 m (980 ft)
138:243 m (800 ft)
392:Retrieved on 2007-09-07
338:Garibaldi Volcanic Belt
220:system in southwestern
261:ice-marginal lava flow
200:Normal elevation
114:Type of dam
92:49.9349°N 123.0800°W
521:Sea-to-Sky Corridor
348:Volcanism in Canada
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531:Holocene volcanism
388:2009-06-26 at the
161:Spillway type
97:49.9349; -123.0800
475:Powell, Michael.
456:Ferreras, Jesse.
343:Cascade Volcanoes
319:that would reach
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184:Surface area
108:Dam and spillways
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526:Garibaldi Ranges
506:Cliffs of Canada
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321:Vancouver Island
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222:British Columbia
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216:retaining the
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438:on 2011-07-18
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49:Official name
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440:. Retrieved
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277:Rubble Creek
273:debris flows
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164:Uncontrolled
129:Rubble Creek
253:Mount Price
210:The Barrier
95: /
83:123°04′48″W
71:Coordinates
52:The Barrier
32:The Barrier
495:Categories
442:2008-01-17
417:2010-03-03
359:References
317:Howe Sound
293:government
80:49°56′06″N
305:Cheakamus
297:Garibaldi
243:Formation
169:Reservoir
152:Spillways
386:Archived
327:See also
313:Squamish
214:lava dam
125:Impounds
119:Lava dam
57:Location
287:Hazards
174:Creates
21:Barrier
226:Canada
143:Length
135:Height
65:Canada
462:Pique
212:is a
307:and
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
