Washington State Tectonic Plates Map
Washington State Tectonic Plates Map
Washington State Tectonic Plates Map - The geologic map of Fig. The Ring of Fires eastern half also has a number of active volcanic areas. Figure 1a--Geologic map of Washington and Oregon from USGS Publication 12-99 available online.
Ocean Continent Convergent Plate Boundaries Read Earth Science Ck 12 Foundation
The map is from a 2007 report click here to download on seismic design categories in Washington.
Washington State Tectonic Plates Map. Two parallel mountain ranges have been forming as a result of the Juan de Fuca Plate subducting beneath the edge of North America. The youngest volcano within the volcanic belt is Nazko Cone. The Pacific Plate is moving to the northwest at a speed of between 7 and 11 centimeters cm or 3-4 inches a year.
Geological Survey map of tectonic plates show 21 of the major plates as well as their movements and boundaries. 23032015 The Seattle Fault Zone is located in the Seattle metropolitan area in the state of Washington in the United States of America. Where three tectonic plates interact.
In Washington State common geologic map scales are 124000 1100000 and 1250000. The illustration above defines the standard parallels and projection limits for each zone爀刀䌀圀㔀㠀ᰀ吀攀挀栀渀椀挀愀氀搀攀昀椀渀椀琀椀漀湜猠ᴀ搀攀昀椀渀攀猀匀琀愀渀搀愀爀搀瀀愀爀愀氀氀攀氀猀屲The Washington coordinate system of 1983 north zone is a Lambert conformal conic projection of 對the GRS 80 spheroid having standard parallels at north latitudes 47. Modified to show the location of the Siletzia mafic complex and the SWCC conductor between the three southern Washington Cascades volcanoes Rainier R Adams A and Mt.
All of Washington has been mapped at 1100000 and 1250000 scales but most of the state remains unmapped at the more detailed 124000 scale. This is a map of the main tectonic plates that comprise the Earths surface. The zone is shown within the two dashed lines in Figure 11.
Earthquakes occur nearly every day in Washington. The Anahim Volcanic Belt is a volcanic belt that stretches from just north of Vancouver Island to near Quesnel. This map shows areas of seismic risk from high red to low grayish-green.
06012015 Mount Fuji sits at a triple junction. Land owners planners decision-makers and others commonly need information at 124000 or even at a more detailed scale. The red line with triangles represents the Cascadia Subduction Zone where one plate subducts under the other and where it can generate an earthquake and trigger a tsunami.
23012020 Seven Tectonic Plates There are seven major tectonic plates North America South America Eurasia Africa Indo-Australian Pacific and Antarctica as well as many smaller microplates such as the Juan de Fuca plate near the United States state of Washington map of plates. The map also shows potentially active faults from a separate 2014 report click here to download. The Juan de Fuca plate is slowly moving toward and subducting underneath the North American plate.
Geological Survey has some basic information on plate tectonics and the Pacific Northwest at. The tectonic boundaries for Mount St. Helens are located in the subduction zone where there is a ocean-to-continent convergence as our class text states the rest of the Cascade Mountains of the Pacific Northwest are the result of subduction of the Juan de Fuca plate beneath the North American plate The tectonic boundaries for the Loma Prieta earthquake area are located on the.
01022017 Map showing the plate tectonic setting off the coast of Washington. According the theory of plate tectonics Earths outer shell is made up of a series of plates. The approximate location is shown in the embedded Google Map below.
Helens is an active volcano in Washington state. It is thought to have formed as a result of the North American Plate moving over a stationary hotspot similar to the hotspot feeding the Hawaiian Islands called the Anahim hotspot. The Cascadia Subduction Zone extending from northern California through western Oregon and Washington to southern British Columbia is a type of convergent plate boundary.
Map of the Anahim Volcanic Belt centers. 25102004 The majority of interplate earthquakes or earthquakes that occur near the boundaries of tectonic plates near the Cascadia subduction zone occur in the forearc of the overriding North American Plate in Washington west of the Cascade Volcanic Arc and east of where tremor occurs. Earthquakes occur at the boundaries of these plates.
Plate Tectonics Map - Plate Boundary Map Article by. The geologic evolution of Washington State is one of the most fascinating geologic stories ever told. It lies on a weak section of crust which makes it more likely to erupt.
It is a tale of the breakup of ancient giant continents the birth and death of great ocean basins the collision of exotic islands the uplift and wearing away of generations of mountain ranges enormous floods of molten lava and great continental glaciers of the Ice Ages. Convergent colliding boundaries are shown as a black line with teeth divergent spreading boundaries as solid red lines and transform sliding alongside boundaries as solid black lines. In Washington the small Juan de Fuca plate off the coast of Washington Oregon and northern California is slowly moving eastward beneath a much larger plate that includes both the North American continent and the land beneath part of the Atlantic Ocean.
Plate motions in the Pacific. 1a outlines the volcanic terranes associated with the Tertiary and. And is composed of four south dipping thrust faults Johnson et al 1994.
The map above shows names and generalized locations of Earths major tectonic plates. 16072013 Visit the following Web links for plate tectonic maps and information on the Cascade volcanic arc and information on how earthquakes in the Pacific Northwest are related to plate tectonics The Cascades Volcano Observatory part of the US. Its historic 1980 eruption lasted nine hours and covered.
30012020 The 2006 US. Use your mouse to. In the Pacific Northwest movement of three tectonic plates drive our earthquake hazard.
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