Fault locking, block rotation and crustal deformation in the Pacific Northwest

R McCaffrey, AI Qamar, RW King… - Geophysical Journal …, 2007 - academic.oup.com
Summary We interpret Global Positioning System (GPS) measurements in the northwestern
United States and adjacent parts of western Canada to describe relative motions of crustal …

Sedimentary basin effects in Seattle, Washington: Ground-motion observations and 3D simulations

A Frankel, W Stephenson… - Bulletin of the …, 2009 - pubs.geoscienceworld.org
Abstract<? A3B2 twb=. 28w?> Seismograms of local earthquakes recorded in Seattle exhibit
surface waves in the Seattle basin and basin-edge focusing of S waves. Spectral ratios of S …

Gravity data interpretation by a two-sided fault-like geologic structure using the global particle swarm technique

KS Essa, SA Mehanee, M Elhussein - Physics of the Earth and Planetary …, 2021 - Elsevier
We have developed a scheme for the interpretation of gravity data by a two-sided fault-like
geological structure. The scheme is based on the particle swarm optimization and …

3D numerical simulation-based targeting of skarn type mineralization within the Xuancheng-Magushan orefield, middle-lower Yangtze metallogenic belt, China

X Hu, X Li, F Yuan, SM Jowitt, A Ord, R Ye… - …, 2020 - pubs.geoscienceworld.org
Recent exploration has identified a series of Cu-Mo skarn deposits within the Xuancheng-
Magushan orefield. The orefield forms part of the Nanling-Xuancheng mining district, which …

Late Holocene earthquakes on the Toe Jam Hill fault, Seattle fault zone, Bainbridge Island, Washington

AR Nelson, SY Johnson, HM Kelsey… - Geological …, 2003 - pubs.geoscienceworld.org
Five trenches across a Holocene fault scarp yield the first radiocarbon-measured
earthquake recurrence intervals for a crustal fault in western Washington. The scarp, the first …

Amplification of seismic waves by the Seattle basin, Washington State

TL Pratt, TM Brocher, CS Weaver… - Bulletin of the …, 2003 - pubs.geoscienceworld.org
Recordings of the 1999 M w 7.6 Chi-Chi (Taiwan) earthquake, two local earthquakes, and
five blasts show seismic-wave amplification over a large sedimentary basin in the US Pacific …

Connecting the Yakima fold and thrust belt to active faults in the Puget Lowland, Washington

RJ Blakely, BL Sherrod, CS Weaver… - Journal of …, 2011 - Wiley Online Library
High‐resolution aeromagnetic surveys of the Cascade Range and Yakima fold and thrust
belt (YFTB), Washington, provide insights on tectonic connections between forearc and back …

Interpretation of the Seattle uplift, Washington, as a passive-roof duplex

TM Brocher, RJ Blakely… - Bulletin of the …, 2004 - pubs.geoscienceworld.org
We interpret seismic lines and a wide variety of other geological and geophysical data to
suggest that the Seattle uplift is a passive-roof duplex. A passive-roof duplex is bounded top …

Active shortening of the Cascadia forearc and implications for seismic hazards of the Puget Lowland

SY Johnson, RJ Blakely, WJ Stephenson… - …, 2004 - Wiley Online Library
Margin‐parallel shortening of the Cascadia forearc is a consequence of oblique subduction
of the Juan de Fuca plate beneath North America. Strike‐slip, thrust, and oblique crustal …

[PDF][PDF] _USGS

AD Frankel, WJ Stephenson, DL Carver, RA Williams… - 2007 - nehrpsearch.nist.gov
It is clear from recent seismological research that sedimentary basins strongly affect the
amplitude and duration of earthquake ground motions and are responsible for certain …