Juan de Fuca Plate
Geological Survey
of Canada "Earthquake!
On Shaky Ground" (movable map showing the interaction of the Juan de
Fuca, North American, and Pacific Plates)
United States Geological Survey "Cascadia
Seismicity" (collection of publications by the USGS concerning the Juan
de Fuca Plate and its interaction with surrounding geological elements)
University
of Colorado Geological Science Department "The Juan de Fuca Microplate
System"
University of Washington Geophysics Department "What
Causes Earthquakes" (a summary of information on tectonic plate
movements with emphasis on the Juan de Fuca plate)
University of Washington
School of Oceanography "A
Fiber-Optic 'Telescope' to Inner Space" (an examination of how the
NEPTUNE project could influence our understanding of the Juan de Fuca plate)
National
Oceanic and Atmospheric Administration Coastal Services Center "Protecting
Our Ports and Harbors: Introduction to Earthquakes" (a relatively
well-done introduction to earthquake hazards in the Cascadia region, useful for
people less versed in the seismicity of the Washington State area)
United
States Geological Survey Earthquake Hazards Program "Eastern Strait of Juan
de Fuca Region"
United States Geological Survey Cascades Volcano
Observatory "Juan de Fuca
Subduction, Juan de Fuca Ridge, Cascade Range -
Map"
United States Geological Survey Cascades Volcano Observatory "Juan
de Fuca Ridge Volcanics" (portal to USGS & CVO links on Juan de
Fuca)
Pacific & North American Plates
Geological
Survey of Canada "180-100
Million Years Ago: the North American Bulldozer Moves" (history of
North American plate from Pangea onward, in relation to the Vancouver area)
University
of California Santa Barbara "Pacific
Hemisphere Plate Tectonic History" (an animated history of tectonic
movements done by Tanya Atwater. Also includes text. Impressive
site)
United States Geological Survey with Bob Lillie "Geological
Provinces of the United States" (very interesting if irrelevant site
listing state and national parks in the United States based on their tectonic
setting)
United States Geological Survey Western Region Coastal & Marine
Geology "Overview: Tectonic Stress in the Pacific Northwest"
United
States Geological Survey "North
Cascades Geology: Shifting into Pieces" (history of tectonic systems in
Cascadia)
National Earthquake
Information Center "Earthquakes
and Plate Tectonics" (overview of worldwide plate tectonics which
includes the Pacific Plate)
Mendocino Triple Junction
Oregon
State University College of Oceanic and Atmospheric Sciences "Mendocino
Triple Junction" (detailed colored map of Mendocino Triple Junction
phenomenon)
Southampton Oceanography Centre "Mendocino Triple Junction
Seismic Experiment"
Penn State University Department of Geosciences
"Geodynamics of the Mendocino Triple Junction"
American
Geophysical Union "Pulling the Rug Out from Under California: Seismic
Images of the Mendocino Triple Junction Region"
University of
Arizona Department of Geosciences "Gravity and the Evolution of the
Mendocino Triple Junction"
Colorado College Geology Department "The
Mendocino Triple Junction Webpage" (personal site created by Scot
Bilbro with Professor William M. Phillips. Good starting point for
information on MTJ; site also provides links.)
United States Geological
Survey "Seismic Images of the Mendocino Triple Junction Region"
Stanford
University Department of Geophysics "Three Dimensional Imaging of Velocity
and Fault Structure, Mendocino Triple Junction Region, Using Controlled Source
Tomography"
Cascadia Subduction Zone
Geological Survey of Canada Geodynamics Program
"Earthquake Processes: Cascadia Subduction Zone"
United
States Geological Survey "Cascadia Subduction Zone: Two Contrasting Models
of Lithospheric Structure"
University of California Berkley
Seismological Laboratory "Strain Accumulation Along the Cascadia Subduction
Zone"
United States Geological Survey Earthquake Hazards Program
"Differences in Great-Earthquakes Rupture Extent Inferred from Tsunami-Laid
Sand and Foraminiferal Assemblages Beneath Tidal Marshes at Alsea Bay,
Oregon"
United States Geological Survey Western Region Coastal and
Marine Geology "Cascadia Earthquakes and Tsunami Hazard Studies"
Saddle Mountain East Fault
Brigham Young University
Department of Geology "Tectonics
of Central Washington" (need to scroll half way down site to find this
section. Worth the effort).
University of Washington Geophysics
Department "Washington
State Earthquake Hazards - figure 16" (photo)
United States
Geological Survey "Saddle
Trench" (image of the nature of the Saddle Trench)
St. Helens Seismic Zone
United States Geological Survey
Cascades Volcano Observatory "Eruptions of Mount St. Helens: Past, Present,
and Future"
Global Volcanism Program "Volcanoes
of the World - St. Helens - Volcanic Activity Reports" (examination of
seismic activity since the 1980 eruption)
United States Geological Survey
Cascades Volcano Observatory "Cascade
Range Volcanoes and Volcanics" (examines activity around Mount St.
Helens area in broader tectonic terminology)
United States Geological Survey
"Paleomagnetism of an East-West Transect Across the Cascade Arc in Southern
Washington: Implications for Regional Tectonism" (good government
publication. Link connects with abstract only)
Toppenish Ridge Fault
United States Geological Survey & Yakama Nation
Water Program "Earthquake Hazard Study in the Vicinity of Toppenish Basin,
South-Central Washington" (links to summary only)
Mount Rainier Fault
University of Washington Geophysics Department
"Seismic Velocity Structure of the Greater Mount Rainier Area"
United
States Geological Survey Earthquake Hazards Program "Mount Rainier
Tectonics and Hazards to the Puget Lowland"
United States Geological Survey
Cascades Volcano Observatory "Mount
Rainier, Washington - Earthquakes and Seismicity"
University of
Washington Geophysics Department "New Mount Rainier Seismic Station,
RSU,
Installed and Operating"
Straight Creek Fault
United States Geological Survey
Cascades Volcano Observatory "North Cascades"
Seattle Fault
United States Geological Survey Earthquake Hazards Program
"Seattle Fault Zone"
United States Geological Survey
"Active Tectonics of the Seattle Fault and Central Puget Sound, Washington
- Implications for Earthquake Hazards&qquot;
United States Geological
Survey "Computer Simulation of a Magnitude 6.5 Earthquake on the Seattle
Fault"
United States Geological Survey Earthquake Hazards Program
"Earthquake History of the Seattle Fault on Bainbridge Island"
Toe Jam Fault
United States Geological Survey
"LIDAR Image of the Toe
Jam Fault Scarp"
United States Geological Survey "Cross-section
Showing the Inferred Relation of the Toe Jam Fault on Bainbridge Island to Other
Faults in the Seattle Fault Zone"
Whidbey Island Fault
United States Geological Survey Earthquake Hazards
Program "The Southern Whidbey Island Fault"
United
States Geological Survey & Humboldt State University "Investigation of
Late Holocene Fault Displacement on the South Whidbey Island Fault Zone in the
Northern Puget Lowland"
United States Geological Survey
"Whidbey Island Surface Geology Map"
United States Geological
Survey "Geologic Cross-sections across the Whidbey Island Area"
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