Results 21 to 30 of about 688 (177)
Microearthquakes on the Endeavour segment of the Juan de Fuca Ridge [PDF]
Journal of Geophysical Research: Solid Earth, 2002 We report the results of a 55‐day microearthquake experiment on the Endeavour segment of Juan de Fuca Ridge. The network covered a 5‐km section of the ridge axis centered on the Main vent field and extended 15‐km off axis on the west flank. The ridge axis and flanks were seismically active, and 1750 earthquakes were located with a minimum of five ...
William S. D. Wilcock +2 more
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The mechanism of tidal triggering of earthquakes at mid-ocean ridges
Nature Communications, 2019 Tidal triggering of earthquakes at Axial Volcano on the Juan de Fuca ridge is shown to be driven by tidally induced magma chamber inflation. Fitting the data to theory requires that the frictional parameter A be much smaller than laboratory measurements ...
Christopher H. Scholz +2 more
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Description of Barathricola thermophilus, a new species from a deep-sea hydrothermal vent field in the Indian Ocean with redescription of the Barathricola type species (Crustacea, Copepoda, Cyclopoida) [PDF]
ZooKeys, 2019 Re-study of the type species of the genus Barathricola Humes, 1999 (Copepoda, Cyclopoida, Schminkepinellidae) described from the Pacific Ocean (Juan de Fuca Ridge), and study of the species Barathricola thermophilus sp. nov.
Viatcheslav N. Ivanenko +3 more
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Geochemistry, Geophysics, Geosystems, 2022 The chemical composition of formation waters within the upper basaltic crust were calculated or measured at 24 sites on the northwest portion of the Juan de Fuca (JDF) Plate using data from sediment pore waters, scientific boreholes, and seafloor springs.
C. Geoffrey Wheat +3 more
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Geophysical Research Letters, 2016 The crust and upper mantle seismic structure, spanning from the Juan de Fuca and Gorda spreading centers to the Cascade back arc, is imaged with full‐wave propagation simulation and a joint inversion of ambient noise and regional earthquake recordings ...
Haiying Gao
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Quantification of Eruption Dynamics on the North Rift at Axial Seamount, Juan de Fuca Ridge
Geochemistry, Geophysics, Geosystems, 2020 Quantifying eruption dynamics in submarine environments is challenging. During the 2015 eruption of Axial Seamount, the formation of hummocky mounds along the north rift was accompanied by tens of thousands of impulsive acoustic signals generated by the ...
M. Le Saout +3 more
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IODP Expedition 321T: Cementing Operations at Holes U1301A and U1301B, Eastern Flank of the Juan de Fuca Ridge [PDF]
Scientific Drilling, 2010 IODP Expedition 301 (Fisher et al., 2005a) was part of a series of expeditions and experiments to quantify hydrogeologic, lithologic, biogeochemical, and microbiological properties, processes, and linkages on the eastern flank of the Juan de Fuca Ridge ...
Andrew T. Fisher +1 more
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Genomic comparisons of a bacterial lineage that inhabits both marine and terrestrial deep subsurface systems [PDF]
PeerJ, 2017 It is generally accepted that diverse, poorly characterized microorganisms reside deep within Earth’s crust. One such lineage of deep subsurface-dwelling bacteria is an uncultivated member of the Firmicutes phylum that can dominate molecular surveys from
Sean P. Jungbluth +4 more
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ROV samples vents on Juan de Fuca Ridge
Eos, Transactions American Geophysical Union, 1993 In 1991, the JASON Remotely Operated Vehicle (ROV) successfully performed high‐resolution imaging within complex vent fields on the northern Juan de Fuca Ridge. From June 22 to July 16, 1992, a team of Canadian and U.S. scientists and engineers joined in an expedition to develop sampling capabilities for a HYSUB 5000 ROV in a mid‐ocean ridge ...
Robert W. Embley, James M. Franklin
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Endeavour Segment of the Juan de Fuca Ridge: One of the Most Remarkable Places on Earth [PDF]
Oceanography, 2012 Endeavour Segment of the Juan de Fuca Ridge is one of three Integrated Study Sites for the Ridge 2000 Program. It is a remarkable, dynamic environment hosting five major hydrothermal fields, numerous smaller fields, and myriad diffuse-flow sites; magma ...
Deborah S. Kelley +14 more
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