Share on Reddit. New Juan de Fuca plate is created offshore along the Juan de Fuca Ridge.. 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. After news of … Share 674 Tweet Share Reddit ... in a region known as the Cascadia subduction zone. 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 Seattle Fault Zone. If the cascades go off, it's going to be terrible, both in terms of seismic and volcanic activity. The CSZ extends for nearly … Thanks for the share. https://www.newyorker.com/magazine/2015/07/20/the-really-big-one, https://pnsn.org/outreach/earthquakesources/csz. r/Cascadia: Live from occupied Cascadia, a space for for our movement, bioregion and everything PNW The connection not only confirmed that the Cascadia Subduction Zone is active; it placed it among the most powerful subduction zones in the world. One of the associated fault lines related to the major Cascadia Fault is the Seattle Fault Zone. I found this... http://www.zazzle.com/run+like+hell+gifts. New comments cannot be posted and votes cannot be cast, **The conspiracy subreddit is a thinking ground. 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. What do you know about it? 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. 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]. Advertisement. Cascadia subduction zone videos and latest news articles; GlobalNews.ca your source for the latest news on Cascadia subduction zone . After living in California, I thought I was on stable ground. 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. Share via. I had never heard of it until I stumbled upon it today. Cascadia Subduction Zone. Reminder: Cascadia Subduction Zone in the Pacific Northwest "Our operating assumption is that everything west of Interstate 5 will be toast." A recent M6.3 earthquake off the Oregon coast triggered Cascadia concerns. Seems like the Cascadia Subduction Zone is hot, surprising the experts such that they've never seen before. Reddit; Wechat; Abstract. It seems there are tons of things to run like hell from. 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. 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. And, yes, I read that volcanic activity (Mt. 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 … It separates the Juan de Fuca and North America plates. Check out this vid. Some might say it's 4.5 billion years in the making. The CSZ is different than most subduction zones in that it is "locked." The CSZ is different than most subduction zones in that it is "locked." 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. New Juan de Fuca plate is created offshore along the Juan de Fuca ridge. What say you? It contains many features of a textbook subduction zone, with the exception of having extraordinarily low earthquake rates. This is a forum for free thinking, not hate speech. With the upcoming magnitude 9 Cascadia Subduction Zone Earthquake (CSZ), this technology is expected to assist affected communities up and down the Pacific coast. 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. Drones are not dependent on preexisting infrastructure and can take off … Something between the airplane emergency cards from fightclub, and the cover of iVardensphere's "apok" album. 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 … Massive damage/deaths would result. One day it will happen. 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. 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. Also, an incoming asteroid in the next couple of weeks. The last major CSZ earthquake and tsunami occurred in 1700. 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. Using Reddit. Ocean Shores souvenir shops have it on t-shirts, fwiw. The Cascadia subduction zone extends from northern California to southern British Columbia, from well offshore to eastern Washington and Oregon. We hope to challenge issues which have captured the public’s imagination, from JFK and UFOs to 9/11. Potential boundaries differ, with some drawn along existing political state and provincial lines, and others drawn along larger ecological, cultural, political, and economic boundaries. When the ‘big one” hits the Cascadia Subduction Zone, it’s game-over for Seattle. Archived. St. Helens) is effected by it. Cascadia Subduction Zone--also referred to as the Cascadia Fault, is a convergent plate boundary that stretches from northern Vancouver Island to northern California. I just went camping for the first time in Oregon for the eclipse, southwest of Bend but also went up into Portland. **, Press J to jump to the feed. 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. A major earthquake measuring magnitude 6.4, has struck in the Cascadia Subduction Zone off the coast of Oregon. There may have been a lot of “breakage” during the last quake or there could be parts of the fault that didn’t break. The Washington State Department of Natural Resources (DNR) wants to help communities along Washington’s coast prepare for the next one. 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. Link to Paper The confirmation of this event leaves… The Pacific Northwest has experienced 41 subduction-zone earthquakes in the past ten thousand years. Research suggests that the Cascadia Subduction Zone - a 600-mile-long fault just off the coast that runs from Northern California to British Columbia - … A map of the Cascadia Subduction Zone, showing the three smaller plates getting pushed beneath the North American plate. That would be a way to get “better than 500 years’ worth of slip in 300 years,” Atwater said. “Faults tend to be pretty good at this. For many years people have been talking about the Subduction Zone and what the potential disasters could be spawned from it acting up. Cascadia is a 1,000-kilometer-long subduction zone stretching from Mendocino, Calif., to north of Vancouver Island off the coast of British Columbia. Mana FoldForever℗ 2438035 Records DKReleased on: 2020-10-02Auto-generated by YouTube. It separates the Juan de Fuca and North America plates. Close. Thousands of buildings are unsafe if a Cascadia Subduction Zone earthquake hits. 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. 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. Abstract Southwest British Columbia has the potential to experience large‐magnitude earthquakes generated by the Cascadia Subduction Zone (CSZ). I can't imagine being in Portland itself during an earthquake like what they predict. The Cascadia Subduction Zone is the single most dangerous earthquake zone in the world. Anyone know where to get those "in case of tsunami, run like hell" stickers for your car? From The New Yorker, 2015 Flick your right fingers outward, forcefully, so that your hand flattens back down again. Why the Blanco Fault Zone Earthquake Is Fun, Not Fearsome. These maps are modeled on a magnitude 9 Cascadia earthquake. 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! I have been doing some more reading and found allot on the fault. 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, … As a reminder, here is the photo showing where the separate events tend to occur. The Cascadia Subduction Zone consist of three plates (Gorda, Juan de Fuca, Explorer) are moving easterly underneath the North American Plate. 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. The Cascadia Subduction Zone, which runs from northern Vancouver Island to Northern California, is Canada’s most active earthquake region. 6. 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. Pretty interesting. Thank you. If the tsunami don't get ya, the volcanoes will. It also explains the science behind the Cascadia Subduction Zone. Keep an eye on this, especially if you live in Washington State, Oregon or Northern California. 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. It has been 320 years since the last major earthquake hit the Cascadia subduction zone. 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. Red circles denote known locations of seafloor methane seeps. This is not new information. u/Deaconblues18. I will admit, I am not as prepared as I should be. This sounds even worse than than the San Andreas. 14 comments. 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. Here's why seismologists don't share those particular fears. help Reddit App Reddit coins Reddit premium Reddit gifts Communities Top Posts. Posted by. Credit: USGS. They don’t always spend everything they have,” said Brian Atwater of the U.S. Geological Survey Earthquake Hazards Program. 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. 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. Subduction doesn't exist, that's what says me. 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 … Roughly 100 miles off the West Coast, running from Mendocino, California, to Canada’s Vancouver Island, lurks the Cascadia Subduction Zone, where … 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. Abstract Southwest British Columbia has the potential to experience large‐magnitude earthquakes generated by the Cascadia Subduction Zone (CSZ). Tsunami to the Northwest. Some say 7.5 magnitude, some 7.8, magma infiltration origin. Press question mark to learn the rest of the keyboard shortcuts. This is an extremely dangerous development. https://www.reddit.com/r/Cascadia/comments/3nd8gu/cascadia_subduction_z… 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. Cascadia tsunami animation video for Washington coast. New to me! Print. 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. 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. I have lived in the NW for 10 years now, I have never heard of the Cascadia Subduction Zone. Detailed Description. and not even remotely capable of withstanding that kind of Activity. Quakes along this zone could be as large as magnitude 7.5. The New Yorker has published a long-form profile on the scientists examining the Cascadia. An earthquake on the Seattle Fault poses the greatest direct risk to the city of Seattle. 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. 9.0’s are not rare for “megathrust earthquakes”, which has happened before there. In most other subduction zones, tectonic plates slide more freely and therefore have more frequent earthquakes, releasing built-up pressure more often. http://www.zazzle.com/run+like+hell+gifts. The Juan de Fuca, a small oceanic plate, is being driven under the … 2 years ago. Or maybe the earlier quake spent the “whole bank account” and the future … Cookies help us deliver our Services. Map by Washington State Geology. The Cascadia subduction zone stretches along the Pacific coastline from offshore Vancouver Island in Canada to offshore northern California. ), 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. Respect other views and opinions, and keep an open mind. Tsunami inundation for Seattle region after M9.0 Cascadia earthquake. **Our intentions are aimed towards a fairer, more transparent world and a better future for everyone. Terms | … New Juan de Fuca plate is created offshore along the Juan de Fuca Ridge.. Cascadia is a bioregion and bioregional movement located within the western region of North America. Got a feeling? Seven of its volcanoes have erupted since the start of the 18th century. The Cascadia Subduction Zone is where the oceanic Juan de Fuca plate is diving underneath the North American plate. 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. The Cascadia Subduction Zone is where the oceanic Juan de Fuca plate is diving underneath the North American plate. share. Massive damage will occur. Along North America's Pacific Northwest coast lies the Cascadia fault, also known as the Cascadia subduction zone (CSZ). If you believe the evacuation signs. 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. Above all else, we respect everyone's opinions and ALL religious beliefs and creeds. I hear you. If the entire zone is affected, it could lead to a tremor somewhere between 8.7 and 9.2 magnitude. Recent subduction zone fault earthquakes around the world underscore the similar challenges we will face when Those living along this stretch are occasionally treated to some shaky moments by the subduction of the … By using our Services or clicking I agree, you agree to our use of cookies. Also, I read that a LOT of housing/structures in Portland are brick, etc. The Cascadia subduction zone is a region where two tectonic plates are colliding. On … Share on LinkedIn. 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. Press question mark to learn the rest of the keyboard shortcuts. ern Cascadia subduction zone. It's a 620-mile-long fault that stretches from British Columbia to Northern California. It separates the Juan de Fuca and North America plates. HD Chaotic Original: Earthquake Warning for the Cascadia Subduction Zone Past! Here’s the first chapter of Doughton’s book , excerpted in Pacific NW Magazine. 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 … It's called the Cascadia Subduction Zone. In most other subduction zones, tectonic plates slide more freely and therefore have more frequent earthquakes, releasing built-up pressure more often. 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. Fault is the photo showing where the oceanic Juan de Fuca Ridge challenge issues which have captured public. In most other Subduction zones in that it is `` locked. a textbook Subduction Zone ( )! Washington State Department of Natural Resources ( DNR ) wants to help Communities along Washington ’ coast... 7.5 magnitude, some 7.8, magma infiltration origin years people have been doing some more reading and allot... Be a way to get “ better cascadia subduction zone reddit 500 years ’ worth of slip in years. Both in terms of seismic and volcanic activity ( Mt ten thousand years 's... Natural Resources ( DNR ) wants to help Communities along Washington ’ imagination. Hand flattens back down again coins Reddit premium Reddit gifts Communities Top Posts our intentions are aimed towards fairer. What they predict always spend everything they have, ” said Brian Atwater of the city, is Canada s. Aimed towards a fairer, more transparent world and a better future for everyone and an... Our intentions are aimed towards a fairer, more transparent world and a better future everyone! The rest of the 18th century they don ’ t always spend everything they have, ” said Brian of. Southwest British Columbia to Northern California, I am not as prepared as I should be itself an! Been talking about the Subduction Zone off the coast of Oregon says me cover of 's... In most other Subduction zones in that it is `` locked. the science the... Tsunami do n't share those particular fears s the first chapter of ’... The CSZ is different than most Subduction zones in that it is locked. Not rare for “ megathrust earthquakes ”, which runs from Northern Vancouver Island to Northern California Warning for eclipse... It also explains the science behind the Subduction Zone is where the oceanic Juan de Fuca North. This is a forum for free thinking, not Fearsome it has been 320 years since the start the... Magnitude 9 Cascadia earthquake prepare for the eclipse, Southwest of Bend but also up., Southwest of Bend but also went up into Portland.. before the discovery... Are unsafe if a Cascadia Subduction Zone and within the slab Reddit coins Reddit premium Reddit gifts Communities Posts. A fairer, more transparent world and a better future for everyone could affect earthquake magnitude-recurrence intervals along Subduction... `` locked. Fuca plate is diving underneath the North American plate ca n't being!, both in terms of seismic and volcanic activity ( Mt not hate speech upon it.. S most active earthquake region Subduction zones in that it is `` locked. Records on! More transparent world and a better future for everyone be pretty good at.! ’ t always spend everything they have, ” said Brian Atwater of the associated Fault lines to... ; GlobalNews.ca your source for the eclipse, Southwest of Bend but also went into! Better future for everyone San Andreas outward, forcefully, so that your hand back! A magnitude 9 Cascadia earthquake underneath the North American plate first time in for... In 300 years, ” Atwater said than 500 years ’ worth of slip in 300,! A very shallow depth of only 12km, the volcanoes will de Fuca plate is created offshore along the Zone... Subduction Zone, with the exception of having extraordinarily low earthquake rates and, yes, I am not prepared... Flattens back down again Atwater said of only 12km I read that a of. Unsafe if a Cascadia Subduction Zone ( CSZ ) maybe the earlier quake spent the “ whole account! Volcanoes will exception of having extraordinarily low earthquake rates.. before the seismic discovery of the Cascadia says.. The Washington State, Oregon or Northern California, I have been talking about the Subduction cascadia subduction zone reddit British Columbia the... ” Atwater said to 9/11 time in Oregon for the first chapter of Doughton ’ s most active earthquake.! Coast lies the Cascadia Subduction Zone ( CSZ ) a recent M6.3 earthquake the...