Klastline Group volcano

Updated: Aug 13, 2022 01:08 GMT - Refresh

Pyroclastic cone(s) 1980 m / 6496 ft
Canada, 57.88°N / -130.2°W
Current status: (probably) extinct (0 out of 5)

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Typical eruption style: unspecified
Klastline Group volcano eruptions: None during the past 10,000 years
Less than few million years ago (Pleistocene)
Lastest nearby earthquakes: No recent earthquakes

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Background

At least six vents on the Klastline Plateau, the largest of which is the volcanic neck of Castle Rock, are mapped as Quaternary and have produced linear ridges composed of subglacial piles of pillow lava and tuff-breccia (Souther, 1972). Rocks nearby the Stikine River volcanic field are Potassium-Argon dated from 4.6-5.4 million years ago (Hickson, in Wood and Kienle, 1990).
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Source: Smithsonian / GVP volcano information

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