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Data from the Global Volcanism Program of the Smithsonian Institution
Details for: Endeavour Segment
This 360°C black smoker chimney is located in the Endeavour Ridge segment of the Main Endeavour hydrothermal field at the northern end of the Juan de Fuca Ridge. Tube worms with red gills thrive on the edifice, which is predominantly composed of iron- and sulfur-bearing minerals. The 90-km-long ridge segment, which lies west of the coast of Washington and SW of Vancouver Island, is the site of vigorous high-temperature hydrothermal vent systems that were first discovered by scientists in 1981. Image courtesy of NOAA Ocean Explorer and University of Washington.
Volcano Number:
331010
Volcano Name:
Endeavour Segment
Country:
Canada
Volcano Type:
Fissure vent(s)
Last Eruption:
3490 BCE
Elevation:
-2050m
Tectonic Setting:
Rift zone / Oceanic crust (< 15 km)
Latitude:
47.95
Longitude:
-129.1
Details
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The Endeavour Segment (or Ridge) lies near the northern end of the Juan de Fuca Ridge, W of the coast of Washington and SW of Vancouver Island. The northern end is offset to the east with respect to the West Valley Segment, which extends north to the triple junction with the Sovanco Fracture Zone and the Nootka Fault. The 90-km-long, NNE-SSW-trending segment lies at a depth of more than 2,000 m and is the site of vigorous high-temperature hydrothermal vent systems that were discovered in 1981. Five major vent fields that include sulfide chimneys and black smoker vents are spaced at about 2-km intervals in a 1-km-wide axial valley at the center of the ridge. Preliminary uranium-series dates of Holocene age were obtained on basaltic lava flows, and other younger "zero-age" flows were sampled. Seismic swarms were detected in 1991 and 2005.
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Eruption Data from the Global Volcanism Program of the Smithsonian Institution
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Emissions Data from the Global Volcanism Program of the Smithsonian Institution
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Data from the Earthchem Library
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Data from the Earthchem Portal
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Data from the SESAR Database
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Data from the MaGa Database
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Data from UNAVCO
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Data from USIEI
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Data from IRIS FDSNWS
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