The Volcano (British Columbia)
The Volcano is a small cinder cone in the Boundary Ranges of the Coast Mountains in northwestern British Columbia, Canada. It is the southernmost of 10 volcanoes comprising the Iskut-Unuk River Cones volcanic field, as well as the most recent to erupt. Eruptive activity at The Volcano is relatively young compared to most other volcanoes in the Northern Cordilleran Volcanic Province.
About The Volcano (British Columbia) in brief
The Volcano, also known as Lava Fork volcano, is a small cinder cone in the Boundary Ranges of the Coast Mountains in northwestern British Columbia, Canada. Eruptive activity at The Volcano is relatively young compared to most other volcanoes in the Northern Cordilleran Volcanic Province. It is the southernmost of 10 volcanoes comprising the Iskut-Unuk River Cones volcanic field, as well as the most recent to erupt. The first lava flow is estimated to have occurred about 360 years ago and the latest took place only 150 years ago. A series of large trees were engulfed by the lava flows during eruption. The lava flows in total are about 22 km long and still contain their original features from when they cooled, including pressure ridges and lava channels. At the southern end of one lava flows, the lava spreads into a lobe on the flat alluvial plain of the Unuk River. At least one lava flow from The Volcano near Mount Lewis, a 2,094-metre-high mountain near the Alaska-British Columbia border, has been dated to at least 1,656 years ago.
In 1906, the International Boundary Commission wrote that the most recently erupted lava flow had occurred within less than fifty years. Since then, radiocarbon dating techniques have been used to establish the dates of The Volcano’s two volcanic phases. The volcano is one of the three having erupted in the last few hundred years, with the other two being Tseax Cone and Prindle Volcano. The Volcano consists of a pile of loose volcanic ash, lapilli-sized tephra and volcanic bombs. It has its origins in continental rifting—a long rupture in the Earth’s crust where the lithosphere is being pulled apart. The rift zone has existed for at least 14. 9 million years, and has created the Northern cordilleran volcanic province. The last glacial period, which ended about 10,000 years ago, is generally considered the northernmost in the province. Several dormant volcanoes are potentially active, with The Volcano being one of them. The most recent eruption took place in the past 400 years.
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This page is based on the article The Volcano (British Columbia) published in Wikipedia (as of Dec. 03, 2020) and was automatically summarized using artificial intelligence.
