Výsledky vyhledávání - "Ray E. Wells"

Deep Structure of Siletzia in the Puget Lowland: Imaging an obducted plateau and accretionary thrust belt with potential fields

Autor: Megan Anderson, Richard Blakely, Ray E. Wells, Joe D. Dragovich

Detailed understanding of crustal components and tectonic history of forearcs is important, due to their geological complexity and high seismic hazard. The principal component of the Cascadia forearc is Siletzia, a composite basaltic terrane of ocean

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b970ccfacc04d84170511fd225635218
https://doi.org/10.22541/essoar.167126074.48973941/v1

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Toward an Integrative Geological and Geophysical View of Cascadia Subduction Zone Earthquakes

Publikováno v: Annual Review of Earth and Planetary Sciences, 2021, Vol.49, pp.367-398 [Peer Reviewed Journal]

The Cascadia subduction zone (CSZ) is an exceptional geologic environment for recording evidence of land-level changes, tsunamis, and ground motion that reveals at least 19 great megathrust earthquakes over the past 10 kyr. Such earthquakes are among

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3cdea04d0b9ac379abf78f9e853c5161
https://doi.org/10.1146/annurev-earth-071620-065605

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Arc versus river—The geology of the Columbia River Gorge

Autor: Jim E. O’Connor, Ray E. Wells, Scott E.K. Bennett, Charles M. Cannon, Lydia M. Staisch, James L. Anderson, Anthony F. Pivarunas, Gabriel W. Gordon, Richard J. Blakely, Mark E. Stelten, Russell C. Evarts†

The Columbia River Gorge is the Columbia River’s long-held yet evolving passage through the volcanic arc of the Cascade Range. The globally unique setting of a continental-scale river bisecting an active volcanic arc at the leading edge of a major

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::59b6dff1a741e221da1226abc61ce7c1
https://doi.org/10.1130/2021.0062(05)

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Geosphere

Autor: Sean P. Bemis, Richard J. Blakely, Ray E. Wells

The Gales Creek fault (GCF) is a 60-km-long, northwest-striking dextral fault system (west of Portland, Oregon) that accommodates northward motion and uplift of the Oregon Coast Range. New geologic mapping and geophysical models confirm inferred offs

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::04938eccab75b89b1f73cd9c98d61a1d
https://hdl.handle.net/10919/97975

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Evidence for distributed clockwise rotation of the crust in the northwestern United States from fault geometries and focal mechanisms

Autor: Thomas M. Brocher, Craig S. Weaver, Andrew P. Lamb, Ray E. Wells

Publikováno v: Tectonics. 36:787-818

Paleomagnetic and GPS data indicate that Washington and Oregon have rotated clockwise for the past 16 Myr. Late Cenozoic and Quaternary fault geometries, seismicity lineaments, and focal mechanisms provide evidence that this rotation is accommodated

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0524f50067124d7fa3a1985fd45f5110
https://doi.org/10.1002/2016tc004223

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Cascadia subduction tremor muted by crustal faults

Autor: Andrew J. Michael, Aaron G. Wech, Ray E. Wells, Patricia A. McCrory, Richard J. Blakely

Publikováno v: Geology. 45:515-518

Deep, episodic slow slip on the Cascadia subduction megathrust of western North America is accompanied by low-frequency tremor in a zone of high fluid pressure between 30 and 40 km depth. Tremor density (tremor epicenters per square kilometer) varies

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1b582bcd3d4c1f1e65328841a0d3d196
https://doi.org/10.1130/g38835.1

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