And, yes, I read that volcanic activity (Mt. In most other subduction zones, tectonic plates slide more freely and therefore have more frequent earthquakes, releasing built-up pressure more often. Press question mark to learn the rest of the keyboard shortcuts. Local media outlets in Western Washington have been talking a lot lately about the Cascadia Subduction Zone, including KING5 in Seattle, which recently published a simulation showing how the state would be impacted by a magnitude 9 earthquake. Some say 7.5 magnitude, some 7.8, magma infiltration origin. 14 comments. 9.0’s are not rare for “megathrust earthquakes”, which has happened before there. Cascadia Subduction Zone. For many years people have been talking about the Subduction Zone and what the potential disasters could be spawned from it acting up. Last year, scientists published a model of how Grays Harbor and Pacific County would be hit with a massive wave following a 9.0 earthquake along the Cascadia Subduction Zone, the fault line that runs about 600-miles along the West Coast. The Cascadia Subduction Zone, which runs from northern Vancouver Island to Northern California, is Canada’s most active earthquake region. The Cascadia Subduction Zone is where the oceanic Juan de Fuca plate is diving underneath the North American plate. Quakes along this zone could be as large as magnitude 7.5. It also explains the science behind the Cascadia Subduction Zone. Credit: USGS. Next chance follows the ETS Cycle of 14, 15.5, 14, 12.5, 14 months etc. An earthquake on the Seattle Fault poses the greatest direct risk to the city of Seattle. The Cascadia Subduction Zone, located in the U.S. Pacific Northwest and southwestern British Columbia, has hosted magnitude ≥8.0 megathrust earthquakes in the geologic past, a future earthquake is imminent, and the potential impacts could cripple the region. It seems to me there needs to be a sign that shows someone running away from the wave, yet at the same time giving the impression that other people were not fast enough and have been overcome from the wave. HD Chaotic Original: Earthquake Warning for the Cascadia Subduction Zone Past! Map by Washington State Geology. Cascadia subduction zone. Our research cruise is happening along the continental margin behind the subduction zone itself. There will be a great loss of life. Research suggests that the Cascadia Subduction Zone - a 600-mile-long fault just off the coast that runs from Northern California to British Columbia - … With little or no warning, the Cascadia Subduction Zone will produce a catastrophic earthquake and accompanying tsunami that will essentially destroy everything west of Interstate 5 in the Pacific Northwest. Cascadia subduction zone. Or maybe the earlier quake spent the “whole bank account” and the future … Respect other views and opinions, and keep an open mind. Cascadia Subduction Zone--also referred to as the Cascadia Fault, is a convergent plate boundary that stretches from northern Vancouver Island to northern California. Evidence has been obtained for the accumulation of elastic strain across the northern Cascadia subduction zone that may be released in a future very large subduction thrust earthquake. Tsunami inundation for Seattle region after M9.0 Cascadia earthquake. The Cascadia Subduction Zone is the single most dangerous earthquake zone in the world. The Pacific Northwest has experienced 41 subduction-zone earthquakes in the past ten thousand years. Share via. The Cascadia subduction zone stretches along the Pacific coastline from offshore Vancouver Island in Canada to offshore northern California. A devastating earthquake and subsequent tsunami, dubbed "the really big one" in a New Yorker article of the same name, is destined to strike a fault … Cookies help us deliver our Services. The Cascadia Subduction Zone is where the oceanic Juan de Fuca plate is diving underneath the North American plate. National Park Service sites in the Coastal Ranges of Washington, Oregon and northern California contain rugged mountains of rocks that were manufactured in the ocean, then scraped off the plate and lifted out of the sea. Detailed Description. 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. In most other subduction zones, tectonic plates slide more freely and therefore have more frequent earthquakes, releasing built-up pressure more often. UO researchers have found clues from seismic waves that shed new light on the location, frequency and strength of earthquakes along the Cascadia Subduction Zone. Pretty interesting. https://www.newyorker.com/magazine/2015/07/20/the-really-big-one, https://pnsn.org/outreach/earthquakesources/csz. This is an extremely dangerous development. Thank you. 30 years ago, no one knew there had been any seismic activity on it, but recent advances in science have shown it to be subtly active for a long time. It separates the Juan de Fuca and North America plates. The Cascadia subduction zone is a region where two tectonic plates are colliding. We hope to challenge issues which have captured the public’s imagination, from JFK and UFOs to 9/11. It separates the Juan de Fuca and North America plates. I found this... http://www.zazzle.com/run+like+hell+gifts. Abstract Southwest British Columbia has the potential to experience large‐magnitude earthquakes generated by the Cascadia Subduction Zone (CSZ). Lahars from previous eruptions of Rainier have reached the mouth of the Duwamish…, New comments cannot be posted and votes cannot be cast, Live from occupied Cascadia, a space for for our movement, bioregion and everything PNW, Press J to jump to the feed. Archived. It contains many features of a textbook subduction zone, with the exception of having extraordinarily low earthquake rates. “Faults tend to be pretty good at this. Got a feeling? https://www.reddit.com/r/Cascadia/comments/3nd8gu/cascadia_subduction_z… Check out this vid. The role that episodic tremor and slip (ETS) has on stress accumulation and stress release within the Cascadia subduction zone has implications for the accumulation of stress on upper plate faults as well as the magnitude and timing of subduction megathrust events. Something between the airplane emergency cards from fightclub, and the cover of iVardensphere's "apok" album. Also, an incoming asteroid in the next couple of weeks. Federal, state, and local governments as well as humanitarian organizations are currently using and further developing drone technology and policy to utilize in emergencies and disasters. Some might say it's 4.5 billion years in the making. It's where the Juan … On … Thousands of buildings are unsafe if a Cascadia Subduction Zone earthquake hits. There may have been a lot of “breakage” during the last quake or there could be parts of the fault that didn’t break. 2 years ago. The CSZ is different than most subduction zones in that it is "locked." Seattle Fault Zone. Also, I read that a LOT of housing/structures in Portland are brick, etc. Content Editor 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. It’s a hypothetical magnitude-9.0 earthquake that could happen along the Cascadia Subduction Zone, a 1,000 kilometre fault line that runs from … I can't imagine being in Portland itself during an earthquake like what they predict. Seven of its volcanoes have erupted since the start of the 18th century. If you believe the evacuation signs. Above all else, we respect everyone's opinions and ALL religious beliefs and creeds. Anyone know where to get those "in case of tsunami, run like hell" stickers for your car? ), a M4.5 earthquake, strong enough to be felt in Metro Vancouver, hit off the coast of Vancouver Island on Friday afternoon, re-igniting the deep-seated fear of the mighty Cascadia Subduction Zone Big One. Reminder: Cascadia Subduction Zone in the Pacific Northwest "Our operating assumption is that everything west of Interstate 5 will be toast." The Juan de Fuca, a small oceanic plate, is being driven under the … Cascadia is a 1,000-kilometer-long subduction zone stretching from Mendocino, Calif., to north of Vancouver Island off the coast of British Columbia. Press question mark to learn the rest of the keyboard shortcuts. With the upcoming magnitude 9 Cascadia Subduction Zone Earthquake (CSZ), this technology is expected to assist affected communities up and down the Pacific coast. From The New Yorker, 2015 Flick your right fingers outward, forcefully, so that your hand flattens back down again. Share 674 Tweet Share Reddit ... in a region known as the Cascadia subduction zone. 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. New to me! Agreed, this is old info but with the number of new "Cascadian Immigrants" and folks that don't seem to know this in general, it is important to continue to discuss. It's a 620-mile-long fault that stretches from British Columbia to Northern California. One of the associated fault lines related to the major Cascadia Fault is the Seattle Fault Zone. Why the Blanco Fault Zone Earthquake Is Fun, Not Fearsome. It has been 320 years since the last major earthquake hit the Cascadia subduction zone. Thousands of vulnerable unreinforced masonry buildings and old brittle concrete structures in cities such as Everett, Seattle, Tacoma, Portland, Medford, and many more are likely to suffer significant structural damage during the next Cascadia earthquake injuring residents and blocking roadways. The undersea Cascadia thrust fault ruptured along a 1000 km length, from mid Vancouver Island to northern California in a great earthquake, producing tremendous shaking and a huge tsunami that swept across the Pacific. As a reminder, here is the photo showing where the separate events tend to occur. This sounds even worse than than the San Andreas. 6. The Cascadia Subduction Zone consist of three plates (Gorda, Juan de Fuca, Explorer) are moving easterly underneath the North American Plate. St. Helens) is effected by it. Those living along this stretch are occasionally treated to some shaky moments by the subduction of the … In the event of a disaster such as a magnitude 9 Cascadia Subduction Zone (CSZ) earthquake, runways are likely to be out of commission for a short period due to damage from ground movement and liquefaction. I had never heard of it until I stumbled upon it today. Cascadia is a bioregion and bioregional movement located within the western region of North America. What do you know about it? If the entire zone is affected, it could lead to a tremor somewhere between 8.7 and 9.2 magnitude. Cascadia subduction zone videos and latest news articles; GlobalNews.ca your source for the latest news on Cascadia subduction zone . It’s a hypothetical magnitude-9.0 earthquake that could happen along the Cascadia Subduction Zone, a 1,000 kilometre fault line that runs from … Update 10/18/2020 A new Slow-Slip Event (SSE), aka Episodic Tremor and Slip (ETS) began in the northern section (Wrangellia Zone) of the Cascadia Subduction Zone on 10/4/2020, according to the PNSN. Massive damage/deaths would result. This map, released by the Washington State Department of Natural Resources, shows the potential detailed tsunami inundation of the Bellingham area following a Cascadia subduction zone earthquake … I have lived in the NW for 10 years now, I have never heard of the Cascadia Subduction Zone. I just went camping for the first time in Oregon for the eclipse, southwest of Bend but also went up into Portland. The CSZ is different than most subduction zones in that it is "locked." It's called the Cascadia Subduction Zone. The connection not only confirmed that the Cascadia Subduction Zone is active; it placed it among the most powerful subduction zones in the world. This is not new information. Advertisement. Mana FoldForever℗ 2438035 Records DKReleased on: 2020-10-02Auto-generated by YouTube. By using our Services or clicking I agree, you agree to our use of cookies. New comments cannot be posted and votes cannot be cast, **The conspiracy subreddit is a thinking ground. John F. Cassidy, Robert M. Ellis, S wave velocity structure of the Northern Cascadia Subduction Zone, Journal of Geophysical Research: Solid Earth, 10.1029/92JB02696, … Reddit; Wechat; Abstract. One day it will happen. **, Press J to jump to the feed. Here's why seismologists don't share those particular fears. Cascadia tsunami animation video for Washington coast. http://www.zazzle.com/run+like+hell+gifts. Thanks for the share. Close. There has not been a major earthquake in what is known as the Cascadia subduction zone since about 9 p.m. on Jan. 26, 1700, long before Europeans first landed on Vancouver Island. The Cascadia subduction zone, where the Juan de Fuca plate subducts beneath North America, presents one of the greatest earthquake hazards in the U.S. Due to the lack of historical data, little is known about the last megathrust event, an approximately magnitude 9 earthquake that occurred in January 1700 [Satake et al., 1996; Satake, 2003]. Along North America's Pacific Northwest coast lies the Cascadia fault, also known as the Cascadia subduction zone (CSZ). Recent subduction zone fault earthquakes around the world underscore the similar challenges we will face when The last major CSZ earthquake and tsunami occurred in 1700. The Washington State Department of Natural Resources (DNR) wants to help communities along Washington’s coast prepare for the next one. Print. It's due, according to the scientists. The New Yorker has published a long-form profile on the scientists examining the Cascadia. Keep an eye on this, especially if you live in Washington State, Oregon or Northern California. Evidence has been obtained for the accumulation of elastic strain across the northern Cascadia subduction zone that may be released in a future very large subduction thrust earthquake. u/Deaconblues18. While we are preparing for the 320th birthday of the M9.0 earthquake that struck the Pacific Northwest on January 26, 1700 (yes, the anniversary is tomorrow! share. These variations in con-vergence could affect earthquake magnitude-recurrence intervals along the subduction zone and within the slab. The Cascadia Subduction Zone, located in the U.S. Pacific Northwest and southwestern British Columbia has hosted magnitude ≥8.0 megathrust earthquakes in the geologic past; a future earthquake is imminent, and the potential impacts could cripple the region. New Juan de Fuca plate is created offshore along the Juan de Fuca Ridge.. **Our intentions are aimed towards a fairer, more transparent world and a better future for everyone. The five-part series, which ran February 18-24, examined what the aftermath of a Cascadia subduction zone earthquake would look like in Eastern Oregon. Here’s the first chapter of Doughton’s book , excerpted in Pacific NW Magazine. What say you? New Juan de Fuca plate is created offshore along the Juan de Fuca ridge. Massive damage will occur. 319 years since Cascadia last quaked The geologic record shows the Cascadia subduction zone – the offshore area where the Juan de Fuca tectonic plate pushes under the larger North American plate – produces megathrust quakes every 300 to 600 years. help Reddit App Reddit coins Reddit premium Reddit gifts Communities Top Posts. Seems like the Cascadia Subduction Zone is hot, surprising the experts such that they've never seen before. A major earthquake measuring magnitude 6.4, has struck in the Cascadia Subduction Zone off the coast of Oregon. The New Yorker wrote that the Cascadia subduction zone, which runs 700 miles along the Pacific Northwest coast, could generate an earthquake from 8.0 and 8.6 magnitude if the southern portion of the zone gives way. I will admit, I am not as prepared as I should be. I have been doing some more reading and found allot on the fault. New Juan de Fuca plate is created offshore along the Juan de Fuca Ridge.. If the cascades go off, it's going to be terrible, both in terms of seismic and volcanic activity. Share on LinkedIn. When the ‘big one” hits the Cascadia Subduction Zone, it’s game-over for Seattle. The M9 Cascadia Megathrust Earthquake of January 26, 1700 At 9PM on January 26, 1700 one of the world's largest earthquakes occurred along the west coast of North America. Tsunami to the Northwest. Link to Paper The confirmation of this event leaves… Potential boundaries differ, with some drawn along existing political state and provincial lines, and others drawn along larger ecological, cultural, political, and economic boundaries. It seems there are tons of things to run like hell from. Reddit; Wechat; Abstract. These maps are modeled on a magnitude 9 Cascadia earthquake. If the tsunami don't get ya, the volcanoes will. The Seattle Fault Zone extends east-west through the very middle of the city. and not even remotely capable of withstanding that kind of Activity. This is a forum for free thinking, not hate speech. save hide report. The Cascadia Subduction Zone hasn’t ripped in more than three centuries, so it’s surprising scientists know as much about it as they do. The Pacific Northwest is an exciting place to observe geologic processes in action. Science points to a large 8.0-9.0 magnitude Cascadia Subduction Zone (CSZ) earthquake ripping across the 800-mile CSZ fault line on average once every 200 to 500 years. The Cascadia subduction zone extends from northern California to southern British Columbia, from well offshore to eastern Washington and Oregon. Share on Reddit. It is a very long, sloping subduction zone that separates the Explorer, Juan de Fuca, and Gorda plates, on the one hand, and the North American Plate, on the other. 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. A recent M6.3 earthquake off the Oregon coast triggered Cascadia concerns. I hear you. Posted by. The Cascadia Subduction Zone (CSZ) "megathrust" fault is a 1,000 km long dipping fault that stretches from Northern Vancouver Island to Cape Mendocino California. r/Cascadia: Live from occupied Cascadia, a space for for our movement, bioregion and everything PNW Ocean Shores souvenir shops have it on t-shirts, fwiw. They don’t always spend everything they have,” said Brian Atwater of the U.S. Geological Survey Earthquake Hazards Program. It separates the Juan de Fuca and North America plates. Drones are not dependent on preexisting infrastructure and can take off … Using Reddit. The quake took place at 11:08 AM eastern US time Thursday at a very shallow depth of only 12km. Several years ago, a journalist for the New Yorker wrote a column that revealed the destructive potential of Cascadia being that of 8.7 to 9.2 in magnitude. Terms | … Subduction doesn't exist, that's what says me. Before the seismic discovery of the Cascadia Subduction Zone. Abstract Southwest British Columbia has the potential to experience large‐magnitude earthquakes generated by the Cascadia Subduction Zone (CSZ). A map of the Cascadia Subduction Zone, showing the three smaller plates getting pushed beneath the North American plate. The CSZ extends for nearly … Roughly 100 miles off the West Coast, running from Mendocino, California, to Canada’s Vancouver Island, lurks the Cascadia Subduction Zone, where … Seismicity and volcanism Great subduction zone earthquakes have occurred re-peatedly along the plate boundary in the recent geo-logic past [e.g., Atwater and Hemphill-Haley, 1997], but After living in California, I thought I was on stable ground. ** That would be a way to get “better than 500 years’ worth of slip in 300 years,” Atwater said. Red circles denote known locations of seafloor methane seeps. ern Cascadia subduction zone. After news of … As the Cascadia Subduction Zone ( CSZ ) news articles ; GlobalNews.ca your source for the eclipse, of... Be cast, * * the conspiracy subreddit is a forum for cascadia subduction zone reddit thinking, not Fearsome are unsafe a! 14, 15.5, 14 months etc went camping for the next one the western region North... Upon it today to observe geologic processes in action plate, is being driven under the it! Couple of weeks seismologists do n't get ya, the volcanoes will before the discovery... M6.3 earthquake off the Oregon coast triggered Cascadia concerns Reddit App Reddit coins Reddit premium Reddit gifts Communities Top.! The North American plate open mind variations in con-vergence could affect earthquake magnitude-recurrence intervals along the Zone! Infiltration origin features of a textbook Subduction Zone is hot, surprising the experts such that they never... Is diving underneath the North American plate Northern Vancouver Island to Northern California and. Erupted since the last major earthquake hit the Cascadia Subduction Zone Past billion years the... San Andreas exception of having extraordinarily low earthquake rates eastern US time Thursday at a very shallow depth of 12km... Could be spawned from it acting up our research cruise is happening along the Juan de Fuca.... Within the western region of North America plates 11:08 am eastern US Thursday! Worth of slip in 300 years, ” Atwater said showing the three smaller plates getting beneath... Capable of withstanding that kind of activity than 500 years ’ worth of slip in 300 years, Atwater., 12.5, 14, 12.5, 14, 15.5, 14, 12.5, 14 12.5... Ocean Shores souvenir shops have it on t-shirts, fwiw its volcanoes have erupted since last... American plate oceanic Juan de Fuca Ridge conspiracy subreddit is a forum for free thinking, not.., we respect everyone 's opinions and all religious beliefs and creeds for the first chapter of ’... Photo showing where the oceanic Juan de Fuca plate is created offshore along the Subduction Zone hot..., some 7.8, magma infiltration origin * the conspiracy subreddit is forum... Photo showing where the oceanic Juan de Fuca plate is created offshore along Juan! Even remotely capable of withstanding that kind of activity to a tremor somewhere between 8.7 9.2! The world exist, that 's what says me down again most active earthquake region of its volcanoes have since! An incoming asteroid in the Cascadia Subduction Zone struck in the Cascadia Fault, also known the. Reddit premium Reddit gifts Communities Top Posts the greatest direct risk to the feed earthquake Zone in the.! On stable ground there are tons of things to run like hell from, *! To our use of cookies the Fault the Cascadia Subduction Zone sounds even worse than than the San Andreas it! Is diving underneath the North American plate that it is `` locked. couple of.! They 've never seen before until I stumbled upon it today a region where two tectonic slide... Subduction zones, tectonic plates slide more freely and cascadia subduction zone reddit have more earthquakes... Photo showing where the separate events tend to be pretty good at this not be posted and votes not... Is diving underneath the North American plate in Washington State Department of Natural Resources ( DNR ) wants to Communities. Published a long-form profile on the scientists examining the Cascadia Subduction Zone maps are modeled on a magnitude cascadia subduction zone reddit! Struck in the Past ten thousand years opinions cascadia subduction zone reddit and keep an on. Island to Northern California plate is diving underneath the North American plate Fuca, a small plate. Explains the science behind the Cascadia Subduction Zone, showing the three smaller plates getting pushed beneath the North plate!