Cascadia Subduction Zone Tsunami Map
There have been 41 earthquakes in the last 10 000 years within this fault that have occurred as few as 190 years or as much as 1200 years apart. Sources that were considered include great subduction zone events that are known to have occurred historically 1960 chile and 1964 alaska earthquakes and others which can occur around the pacific ocean ring of fire in order to enhance the result from the 75 to 90 meter inundation grid data a method was developed utilizing higher resolution digital topographic data 3 to 10 meters resolution that better defines the location of the maximum inundation line u s.
This earthquake map shows the tremors that rattled the seattle and its area in the last 3 days.
Cascadia subduction zone tsunami map
. The nthmp was formed in 1995 by congressional action which directed the national oceanic and atmospheric administration noaa to form and lead a federal state working group. The cascadia subduction zone csz is a 1 000 km 620 mi long dipping fault that stretches from northern vancouver island to cape mendocino in northern california. It separates the juan de fuca and north america plates. Of tsunami inundation maps to help residents and visitors along the entire oregon coast prepare for the next cascadia subduction zone csz earthquake and tsunami.The cascadia subduction zone the seattle fault and the south whidbey island fault. Tim series inundation maps incorporate all the best tsunami science that is available today including recent publications by colleagues studying the cascadia subduction zone updated computer simulation models using high resolution lidar topographic data and knowledge gained from the 2004 sumatra 2010 chile and 2011 tōhoku earthquakes and tsunamis. Photo by mustafa lazkani feb 02 2016. Its tsunami would cross the pacific ocean and reach japan in about 9 hours so the earthquake must have occurred around 9 00 at night in cascadia on january 26 1700 05 00 january 27 utc.
Such an earthquake would have ruptured the earth along the entire length of the 1000 km 600 mi long fault of the cascadia subduction zone and severe shaking could have lasted for 5 minutes or longer. This subduction zone can produce earthquakes as large as magnitude 9 and corresponding tsunamis. The first comprehensive inundation mapping in the cascadia region began in the cascadia region after the creation of the natonal tsunami hazard mitigation program nthmp. The cascadia subduction zone is a 600 mile fault that runs from northern california up to british columbia and is about 70 100 miles off the pacific coast shoreline.
Map of the cascadia subduction zone the cascadia subduction zone off the coast of north america spans from northern california to southern british columbia. The state dnr published new maps showing the potential impacts to communities on the north salish sea from a tsunami generated by a magnitude 9 earthquake along the cascadia subduction zone an. The most dangerous earthquake faults for seattle. As shown in the map below seattle and its region is constantly being rattled by small earthquakes and tremors.
New juan de fuca plate is created offshore along the juan de fuca ridge. The csz is the tectonic plate boundary between the north american.
Cascadia Subduction Zone Map Temblor Net
The Challenges Of Seismic Mitigation In Oregon Where Science And
Dogami Tim Curr 01 Tsunami Inundation Maps For Langlois Curry
Oregon Tsunami Information Clearinghouse Oregon Dept Of Geology
Why You Should Be Prepared 3 Big Earthquake Threats In Pnw
Map Of A The Cascadia Subduction Zone Adapted From U S
Earthquakes Landslides And Tsunamis Mapping Geohazards In The
The Mega Earthquake That Will Probably Someday Wipe Seattle Off
Dogami Tim Coos 16 Tsunami Inundation Maps For Bandon Coos
Seafloor Sediments Appear To Enhance Earthquake And Tsunami Danger
Post a Comment for "Cascadia Subduction Zone Tsunami Map"