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Filtering by: Advisor Trehu, Anne Subject Seismology -- Cascadia Subduction Zone

Seismicity at the Cascadia plate boundary beneath the Oregon continental shelf

Creator:

Williams, Mark Charles

Abstract:

Since 2003, 39 small earthquakes have been detected offshore central Oregon in the nominally locked part of the Cascadia subduction zone, where very little seis- mic activity has been recorded in spite of a paleo-seismic record of great subduction events. Although the regional earthquake bulletin reports depths of 29 and...

Resource Type:

Masters Thesis

Full Text:

Plate Boundary Beneath the Oregon Continental Shelf Abstract approved: Anne M. Tréhu Since 2003, 39
A 3-D Tomographic Model of the P-wave Velocity Structure of the Central Cascadia Forearc

Creator:

Kenyon, Christopher Bradford

Abstract:

Signals from the R/V Langseth’s tuned airgun array were recorded on an array of 33 EarthScope FlexArray seismometers deployed in the Oregon Coast Range from 43.5° to 45°N as part of the 2012 Ridge2Trench experiment to image the structure of the Juan de Fuca plate. This segment of the Juan...

Resource Type:

Masters Thesis

Full Text:

Anne M. Tréhu Signals from the R/V Langseth’s tuned airgun array were recorded on an array