Cascadia Subduction Zone Damage Map
It separates the juan de fuca and north america plates. To investigate these.
Study Projects Damage From Rare Portland Hills Quake Cascadia
Make sure youre prepared by having enough water ready.
Cascadia subduction zone damage map. Individuals could be on their own for two weeks after the cascadia subduction zone quake. The last time this happened was in 1700 before seismic instruments were around to record the event. One of the worst nightmares for many pacific northwest residents is a huge earthquake along the offshore cascadia subduction zone which would unleash damaging and likely deadly shaking in coastal washington oregon british columbia and northern california.
New juan de fuca plate is created offshore along the juan de fuca ridge. While we cannot predict earthquakes we can use scenarios maps and other tools to estimate how they may affect cascadia. Just north of the san andreas however lies another fault line.
Oregons buildings transportation network utilities and population are simply not prepared for such an event. How to prepare water for the cascadia quake. The subduction of the juan de fuca plate beneath north america changes markedly along the length of the subduction zone notably in the angle of subduction distribution of earthquakes volcanism geologic and seismic structure of the upper plate and regional horizontal stress.
Oregons greatest natural threat introduction when not if the next great cascadia subduction zone earthquake strikes the pacific northwest oregon will face the greatest challenge in its history. Known as the cascadia subduction zone it runs for seven hundred miles off the coast of the pacific northwest beginning near cape. A powerful earthquake thought to be as large as 92 magnitude ripped through the earth in 1700 along the 600 mile stretch of the cascadia subduction zone causing severe shaking and a massive.
The cascadia subduction zone csz megathrust fault is a 1000 km long dipping fault that stretches from northern vancouver island to cape mendocino california. Scenarios tell the earthquake story crew has produced three reports that detail in narrative form how each kind of cascadia earthquake shallow deep and cascadia subduction zone has or would unfold throughout the region. Coordinates the cascadia subduction zone also referred to as the cascadia fault or cascadia is a convergent plate boundary that stretches from northern vancouver island in canada to northern california in the united statesit is a very long sloping subduction zone where the explorer juan de fuca and gorda plates move to the east and slide below the much larger mostly continental north.
The congressional action was the result of recognition in 1990 of the tsunami threat to oregon washington and northern california from a magnitude 9 earthquake on the cascadia subduction zone the april 1992 earthquake and tsunami on the cascadia subduction zone in northern california and the loss of life and property in japan due to the.
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