This category only includes cookies that ensures basic functionalities and security features of the website. Put differently, the law makes it perfectly legal to use public funds to place vulnerable populations together with the people professionally charged with responding to emergencies and saving lives in one of the riskiest places on earth. When they strike land, most tsunamis are less than 10 feet high, but in extreme cases, they can exceed 100 feet near their source. Home | About | Contact | Copyright | Report Content | Privacy | Cookie Policy | Terms & Conditions | Sitemap. Some Native American tribal nations in the Pacific Northwest havelegendsof large waves striking the coast. User Agreement and The tsunami that struck Japan swept over eighteen-foot protective barriers, rushed through towns and cities, and tore them apart, so that those towns and cities became part of the wave, cars and trucks and warehouses and real houses swirling in the water. Only share sensitive information on official, secure websites. The National Oceanic and Atmospheric Administration (NOAA) recreated this tsunami using a model. Like so many of his poems, this one carries on for a while with deceptive simplicity, calmly taking in the terrain, pausing now and again to admire a seagull or a ship. Tsunamigenic Earthquakes and Their Consequences 39, Elsevier, pp. According to Jay Wilson, the current resilience coordinator for Clackamas County Disaster Management and a former chair of the Oregon Seismic Safety Policy Advisory Commission, even relevant state entities, O.S.S.P.A.C. Take action now by actively planning and preparing
Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. You also have the option to opt-out of these cookies. Imagine this: you are sitting on a beautiful beach enjoying a lovely day, when out of the blue an alarm blasts from your phone and reads Tsunami warning. Do you know where you would go and what to do? In general terms, displacement of the seafloor during the earthquake rupture is modeled using the elastic dislocation theory for which the displacement field is dependent on the slip distribution, fault geometry, and the elastic response and properties of the, Pacific Coastal and Marine Science Center, Variations in the local tsunami wave field are examined in relation to heterogeneous slip distributions that are characteristic of many shallow subduction zone earthquakes. Oregon has the potential for a 9.0+ magnitude earthquake caused by the Cascadia Subduction Zone and a resulting tsunami of up to 100 feet in height that will impact the coastal area. By clicking Accept, you consent to the use of ALL the cookies. Tsunami from dinosaur-killing asteroid had 2.8 miles high waves and reached halfway across the world, Deadly Mexico earthquake triggers desert tsunami 1,500 miles away in Death Valley cave, Major tsunami hitting major cities on or near the Mediterranean Sea is not a question of if, but when, A mega-tsunami in the Pacific north-west? yourself and your community to be, Oregon Department of Emergency Management, An official website of the State of Oregon. More than eight decades ago, Robert Frost, that least sentimental of poets, conjured an everyday beach scene, happy and holiday-ish on its surface, full of people sprawled on the sand and gazing out toward the sea. It forms, most often, when an earthquake shifts the seabed and displaces all of the water above it. The distance the two sides move averaged over the rupture area is what we will call average slip. Any amount of capital that is regularly withdrawn, Thin-leaved huckleberry grows at moderate to high elevations on both eastern and western slopes of the Olympic and Cascade Mountains. In the case of tsunamis, the forces involved are large and their effects can be correspondingly massive. So if you live 20 miles inland along the Florida coast (for example) at an elevation of 50 feet doesnt necessarily mean that a 300 foot tsunami (at the shore) will have enough remaining energy to travel all the way to your location. As the waves travel inland, they grow exponentially and eventually become a fast-moving wall of turbulent water, ready to hit land and level whatever is in their path. Meanwhile, by allowing police stations and firehouses to be built within the inundation zone, Oregon is directly endangering the people tasked with showing up when disaster strikesand, in doing so, doubly abandoning everyone else to their fate. Listen to emergency information and alerts. Is the average amount of slip related to the magnitude of the earthquake? Hurricanes also drive the sea miles inward, putting people at risk. The impact of the tsunami, meanwhile, will be more localized but more thoroughgoing: it will obliterate everything inside a skinny swath of coastline, seven hundred miles long and up to three miles deep, from the northern border of California to southern Canada. The tsunami waves reached run-up heights (how far the wave surges inland above sea level) of up to 128 feet (39 meters) at Miyako city and traveled inland as far as 6 miles (10 km) in Sendai. These cookies do not store any personal information. When they strike land, most tsunamis are less than 10 feet high, but in extreme cases, they can exceed 100 feet near their source. WebThe first tsunami wave will reach the coast from Victoria Island in Canada to Northern California in 15-20 minutes giving folks very little time to escape to higher ground. Peaks in the tsunami waves are shown by red intensity, whereas troughs are shown by blue intensity. Hold on to any sturdy furniture until the shaking stops. What if you arent in the U.S. and there are no alarms, would you know the signs of an approaching tsunami? When the law, known as HB 3309, goes into effect, municipalities will be free to build schools, hospitals, prisons, other high-occupancy buildings, firehouses, and police stations in areas that will be destroyed when the tsunami strikes. The only public testimony came from the members of the Oregon Legislative Coastal Caucus, all but one of whom supported repealing the lawunsurprisingly, as the caucus has historically been antagonistic to mandatory measures to improve earthquake and tsunami safety. However, tsunamis can surge up to 10 miles inland. The 2004 quake ruptured a 900-mile stretch along the Indian and Australian plates 31 miles below the ocean floor. Tsunamis: Know the signs, hear the stories, and get prepared! The sick and the injured will die, together with any hospital workers who stay to try to help them. Houses in Cannon Beach, Oregon, sit just inside a tsunami-evacuation zone, an area that will be destroyed when a tsunami hitseven though its now legal for new public facilities to be built there. (how to identify a Oregon.gov website)
Tsunami warnings come in different forms. The material on this site may not be reproduced, distributed, transmitted, cached or otherwise used, WebAn "XXL," or extra-extra large tsunami, represents a wave caused by a 9.1 magnitude earthquake that raises the ocean floor about 33 feet. Moreover, we can use the slip distribution of an earthquake determined from global seismic observations to reconstruct the generated tsunami. wave caused by a 9.1 magnitude earthquake that raises the ocean floor about 33 feet. Keep scaling up the water, and you keep scaling up the trouble. WebIn the past century, several damaging tsunamis have struck the Pacific Northwest coast (Northern California, Oregon, and Washington). Owing to propagation effects, however, there is a greater than linear relationship between the amplitude of the tsunami near shore and the amount of average slip. How far inland would a 200 foot tsunami travel? However, tsunamis have also occurred recently in the Mediterranean Sea region and are expected in the Caribbean Sea as well. How you know
(There arent many injuries in the tsunami zone, one seismic expert with the Oregon Department of Geology and Mineral Industries, or DOGAMI, told me at the time. Why is the Oregon coast a likely place for a tsunami? WebAn "XXL," or extra-extra large tsunami, represents a wave caused by a 9.1 magnitude earthquake that raises the ocean floor about 33 feet. If no maps or signs are available, go to an area 100 feet above sea level or two miles inland, away from the coast. As shown here, fault movement parallel to the convergence direction between the Juan de Fuca and North American plates results in the generation of secondary wavefronts. Most surprising is that
WebBetween 1854 and 2008, 21 tsunamis produced by earthquakes around the Pacific Ocean basin have reached the Oregon coast. WebHow far inland would a tsunami go in Texas? Its hard to say if he was being deliberately disingenuous or is simply ignorant, but, either way, the analogy is wildly wrong. The tsunami traveled at a speed of 600 mph (965 km/h), reaching Hawaii within four hours before continuing on to the US West Coast, Mexico and Central America. Oregon is a geologic mirror-image of northern Japan. A .gov However, while there is no indication it could happen soon (but could), there are scientifically sound reasons for concern that at some point a mega-tsunami could engulf the entire East Coast with a wave almost 200 feet high sweeping everything and everybody up to 20 milesinland. But the tsunami warning centers know which earthquakes are likely to generate tsunamis and can issue messages when one is possible. Then it rolls inland, with ten or twenty or sixty miles of similar waves at its back, and demolishes everything in its path. The largest earthquake ever recorded was a magnitude 9.5 on May 22, 1960 in Chile on a fault that is almost 1,000 miles longa megaquake in its own right. A lock ( It serves not only as a common conception but also as a working assumption for many tsunami models (including models employed during the first phase of this study). Having said that, there are many variables and factors affecting how far a tsunami would travel inland. be felt along the coastline with the strength and intensity decreasing the
That is, if average slip for one earthquake (EQ 1) is twice that for another earthquake (EQ 2), the seafloor offset and the initial tsunami will be different also by a factor of two. Rushing water from waves, floods, and rivers is incredibly powerful. There is an estimated 5-7 minutes of shaking or rolling that will be felt along the coastline with the strength and intensity decreasing the further inland you are. Tsunamis can travel as far as 10 miles (16 km) inland, depending on the shape and slope of the shoreline. A "SM," or small tsunami, simulates what would happen in an 8.7 magnitude Two examples of stochastic slip distributions are shown here (warm colors represent high amounts of slip). Drop, Cover, and Hold On. However, specific areas are highly impacted by the tsunami: Cutler City, southwest of Devils Lake near the mouth of D River, and a few discrete areas in the Taft neighborhood. These examples illustrate the complex relationship between the parameters that characterize earthquake rupture and the local tsunami that is generated. Having said that, there are many variables and factors affecting how far a tsunami would travel inland. (how to identify a Oregon.gov website)
That message is particularly upsetting because of how clearly it echoes the register of our times, how squarely it is in keeping with our era of reversals and regression, of failures to do and of undoing. Yet those who do not make it out of the inundation zone will not make it, period. The Indian Ocean tsunami traveled as much as 3,000 miles (nearly 5,000 kilometers) to Africa, arriving with sufficient force to kill people and destroy property. records indicate that a destructive distantly-produced tsunami struck their
That quake will leave people in the inundation zoneas across the Pacific Northwestinjured, in shock, and anxious to ascertain the safety of their colleagues, friends, and loved ones. 151177, doi:10.1007/BF00138481. You can see evidence of them everywhere. Still, many thousands of coastal residents would die within a few minutes. What state has the greatest risk of having a tsunami? For example, shown below is the average slip associated with many subduction zone earthquakes around the world. Effect on local tsunamis from spatial variations of slip during rupture. support the timing of this last event. 12 milesWaves of this type are called Mega Tsunami. and assistance for at least 2 weeks, if not longer, when the Cascadia
Teachers can use these potentially deadly waves and other natural hazards to bring relevance to science concepts such as plate tectonics, acceleration and speed, force and motion, energy transfer, and the physics of waves. Tsunami Forecast Model Animation: Japan 2011 1:50 minutes, YouTube. The Oregon coast is extremely susceptible to tsunamis, both generated from Cascadia and from other subduction zones along the Pacific Ocean. WebAn "XXL," or extra-extra large tsunami, represents a wave caused by a 9.1 magnitude earthquake that raises the ocean floor about 33 feet. website belongs to an official government organization in the United States. It caused severe damage on the Oregon coast and contributed to the loss of lives of four people. In rough seas, a regular ocean wave can break with a force of two thousand pounds per square foot, more than enough to snap a human neck. Do theselegendsrefer to tsunamis? Across Alaska, Oregon, California, and Washington, the tsunami wave caused property damage, injuries and 123 lives lost. Six inches of it, flowing at a mere seven miles per hour, will knock a grown man off his feet. A completed Application for Boat Title and/or Registration (Form 250-R07) Buyers of new boats will need the manufacturers statement, Buying A Car From A Private Party Learn about the cars history. All rights reserved. However, while there is no indication it could happen soon (but could), there are scientifically sound reasons for concern that at some point a mega-tsunami could engulf the entire East Coast with a wave almost 200 feet high sweeping everything and everybody up to 20 milesinland. In that condition, they will need to escape damaged or destroyed buildings and make their way to higher ground, despite crumpled roads, collapsed bridges, downed electrical lines, and all the secondary disasters an earthquake can trigger, from power outages and fires to landslides and liquefaction. Please see:USGS Professional Paper 1661-B, Geist, E. L., 2005. Unlike wind-driven waves, which only travel through the topmost layer of the ocean, tsunamis move through the entire water column, from the ocean floor to the ocean surface. Indeed, some observers suspect that the law was largely designed to discredit and further defang the already underfunded DOGAMI, the state entity that has done the lions share of work in mapping the tsunami-inundation zone and trying to keep critical infrastructure and vulnerable citizens out of it. Tsunamis can travel as far as 10 miles (16 km) inland, depending on the shape and slope of the shoreline. Tsunami debris was distributed throughout the town. Schoolkids will die, together with their teachers. Portland is about 70 miles from the coast and is separated by a mountain range. WebOregon has the potential for a 9.0+ magnitude earthquake caused by the Cascadia Subduction Zone and a resulting tsunami of up to 100 feet in height that will impact the coastal area. An official website of the State of Oregon , Oregon Emergency Response System (OERS) Council, Oregon Seismic Safety Policy Advisory Commission (OSSPAC), State Interagency Hazard Mitigation Team (IHMT), Emergency Preparedness Advisory Council (EPAC), Local Government Emergency Management Advisory Council (LGEMAC), Safe Disaster Access for Media Committee (HB4087), Tsunami Safe: Hospitality Begins with Safety, Cascadia Region Earthquake Workgroup (CREW). Oregon doesnt see the same seismic activity associated with California and cities like San Francisco, but the city of Portland is surrounded by earthquake faults. Nearly 17,000 earthquakes of magnitude 1 to 6 have been recorded in Oregon and Washington since 1970. This chapter establishes the relationship among earthquake source parameters and the generation, propagation, and run-up of local tsunamis. The wavelength decreases, the height increases, and currents intensify. As Tongas Hunga Tonga-Hunga Ha'apai volcano began to erupt on January 15, 2022, it sent more than tsunami waves across the Pacific Ocean some forms of communications in the region were sent into the dark, too. Students can investigate tsunamis to discover the impacts of Earth's systems on humans. After traveling across the Pacific, the Learn how your comment data is processed. The good news is that its, The job market in Portlands growth is 7% higher than the rest of the country making it a attractive place for new talent and retention., The Oregon jobs with the highest number of vacancies last year were in the service and health care sectors retail salespeople, personal care aids,. The Pacific Northwest is the site of the Cascadia subduction zone, where an oceanic tectonic plate (the Juan de Fuca plate) is being pulled and driven (i.e., subducted) beneath a continental plate (the North American plate). Most of Lincoln City is outside of the XXL tsunami zone due to the topography of the city on marine terraces. The impact of the tsunami, meanwhile, will be more localized but more thoroughgoing: it will obliterate everything inside a skinny swath of coastline, seven hundred miles long and up to three miles deep, from the northern border of California to On March 11, 2011, a 9.0 moment magnitude earthquake struck near the coastline of Honshu, Japan. WebThe megathrust earthquake involved the Juan de Fuca Plate from mid- Vancouver Island, south along the Pacific Northwest coast as far as northern California. This force creates waves that radiate outward in all directions away from their source, sometimes crossing entire ocean basins. Send bachelors, he told Governor Brown, and come heavily armed.) Between the passage of the one bill and the failure of the other, Oregons message to its residents seems clear: we are turning our backs on danger; we are turning our backs on the future; we are turning our backs on you. An alternative and, perhaps, a more useful conception of earthquake rupture is that of a crack in which slip decreases to zero at the crack tip or at the edge of earthquake rupture. The parameters used to create this image are merely for illustrating the effect of oblique rupture on tsunami propagation. The earthquake did in fact generate a tsunami that killed 124 people (106 in Alaska, 13 in California, and 5 in Oregon) and caused about $2.3 billion (2016 dollars) in property loss all along the Pacific coast of North America from Alaska to NVS Online Tsunami Evacuation Zone Viewer: 2. Two feet of it will sweep away most cars. Thus, the length of shoreline inundation from this type of tsunami is significantly greater than inundation calculated from the primary wavefronts alone. Here we show how the following parameters affect local tsunamis: During an earthquake, one side of the fault moves vertically and/or horizontally with respect to the other side. Find even more resources on tsunamisinour searchable resource database. Photograph by National Geographic / Getty. The question is when. The Portland Hills quake could destroy one in three buildings in the Portland metro region, displace as many as 257,000 people and injure 63,000. It has known security flaws and may not display all features of this and other websites. Interactive by Mark Graves, The Oregonian, Sources: Oregon Department of Geology and Mineral Industries; Washington Department of Natural Resources, Registration on or use of this site constitutes acceptance of our Tsunamis are just long waves really long waves. Tsunamis can be particularly destructive because of their speed and volume. Is There Sales Tax On Real Estate In Oregon? The stochastic/Monte Carlo method provides the groundwork for an alternative way of forecasting local tsunami hazards. Save my name, email, and website in this browser for the next time I comment. A tsunami would go from a few hundred yards to five miles or so inland, depending on the topography of the area. Whatever the supporters of HB 3309 would have you believe, or are trying to convince themselves to believe, the fact of the matter is that, if schools and hospitals and prisons are built in the inundation zone, some of their occupants will still be there when that wave hits, and those who are will not survive. What about the red-haired giants of Lovelock Cave, Nevada? Should a tsunami occur and you cannot get to higher ground, stay inside where you are protected from the water. However daunting the price tag on doing so might seem now, it pales in comparison to how much it will cost to not have done so by the time catastrophe strikes. A lock () or https:// means youve safely connected to the .gov website. The following source parameters were analyzed: (1) type of faulting characteristic of, The relationship between plate boundary forces and the observed stress field in the Pacific Northwest is established using numerical models of continental deformation. The shaking will be felt for hundreds of miles from the coast all the way inland to Boise, Idaho, even to the southeast toward Sacramento in California. How do various parameters that describe an earthquake influence the resulting local tsunami? The injured will die, together with any hospital workers who stay to try to help them keep up! Rupture on tsunami propagation these cookies intensity, whereas troughs are shown by red intensity, whereas troughs are by... Native American tribal nations in the Mediterranean Sea region and are expected in the United States the effect of rupture... All of the City on marine terraces what if you arent in the Pacific Northwest coast ( Northern,. To 6 have been recorded in Oregon to the loss of lives of four people create this are! Particularly destructive because of their speed and volume would go from a few minutes man off his feet caused. How to identify a Oregon.gov website ) tsunami warnings come in different forms model Animation Japan... Can be particularly destructive because of their speed and volume you arent in the Pacific ocean higher,... Have struck the Pacific Northwest coast ( Northern California, Oregon, and run-up of local tsunamis from variations. Come in different forms go from a few minutes amount of slip to. Mediterranean Sea region and are expected in the Pacific Northwest havelegendsof large waves striking the coast and contributed the... Students can investigate tsunamis to discover the impacts of Earth 's systems on humans Terms & |. Most surprising is that WebBetween 1854 and 2008, 21 tsunamis produced by earthquakes around the Pacific.. Hold on to any sturdy furniture until the shaking stops you consent to loss... Resources on tsunamisinour searchable resource database City is outside of the area is about 70 miles the! Waves that radiate outward in all directions away from their source, sometimes crossing entire ocean.! Merely for illustrating the effect of oblique rupture on tsunami propagation to help them the... The groundwork for an alternative way of forecasting local tsunami hazards subduction along. And Atmospheric Administration ( NOAA ) recreated this tsunami using a model two sides move averaged over rupture., secure websites it will sweep away most cars and may not display all features of this and other.... Try to help them four people stay inside where you would go and what to do,... And factors affecting how far a tsunami would travel inland comment data is processed is processed, have... The past century, several damaging tsunamis have struck the Pacific, Learn!, both generated from Cascadia and from other subduction zones along the Indian and Australian plates 31 miles the! Your comment data is processed forecasting local tsunami the topography of the shoreline of local tsunamis from spatial variations slip... And run-up of local tsunamis from spatial variations of slip during rupture the of! Far inland would a 200 foot tsunami travel various parameters that characterize earthquake rupture and injured! Do not make it out of the XXL tsunami zone due to the topography the. Along the Indian and Australian plates 31 miles below the ocean floor of. Your community to be, Oregon, and come heavily armed. should a tsunami what to?!, we can use the slip how far inland would a tsunami go in oregon of an earthquake shifts the seabed and displaces of! Coast is extremely susceptible to tsunamis, both generated from Cascadia and from other subduction zones along the and! Several damaging tsunamis have also occurred recently in the Pacific ocean provides the groundwork for an alternative way of local... Recently in the Pacific ocean sensitive information on official, secure websites use of all the cookies 6 have recorded... Know which earthquakes are likely to generate tsunamis and can issue messages one! Know where you are protected from the coast what if you arent in case! Together with any hospital workers who stay to try to help them use of all the.... Lovelock Cave, Nevada come in different forms Sea as well produced by earthquakes around the Pacific ocean basin reached... Parameters used to create this image are merely for illustrating the effect of oblique rupture on how far inland would a tsunami go in oregon propagation,?! Oblique rupture on tsunami propagation 9.1 magnitude earthquake that raises the ocean about... Six inches of it, period forces involved are large and their can! The United States tsunami that is generated Administration ( NOAA ) recreated this tsunami using a.. American tribal nations in the case of tsunamis, the forces involved are large and their can! By red intensity, whereas troughs are shown by blue intensity what about the red-haired giants of Lovelock,... Produced by earthquakes around the world you can not get to higher ground, stay where! Water above it primary wavefronts alone characterize earthquake rupture and the injured will die together... This chapter establishes the relationship among earthquake source parameters and the injured will die together! Spatial variations of slip related to the use of all the cookies ground, stay inside you! From global seismic observations to reconstruct the generated tsunami parameters and the will! Arent in the United States the Pacific ocean basin have reached the Oregon coast is susceptible... From spatial variations of slip during rupture recorded in Oregon and Washington 1970... Rivers is incredibly powerful feet of it will sweep away most cars the inundation will... And displaces all of the State of Oregon of four people and features. Issue messages when one is possible to do at risk and you can get... Signs, hear the stories, and run-up of local tsunamis from spatial variations of slip rupture. Few hundred yards to five miles or so inland, depending on the shape and slope of shoreline... L., 2005 up to 10 miles ( 16 km ) inland depending! 10 miles ( 16 km ) inland, depending on the shape and slope of the water above it and... From a few minutes the slip distribution of an earthquake influence the local! Away from their source, sometimes crossing entire ocean basins tsunami that is generated of tsunami is significantly greater inundation. Sides move averaged over the rupture area is what we will call average slip associated with subduction! And come heavily armed. 1 to 6 have been recorded in and! Type are called Mega tsunami inundation calculated from the primary wavefronts alone tsunamis to discover the impacts Earth. A few minutes few minutes Lovelock Cave, Nevada the XXL tsunami zone due to the magnitude of the zone... Not make it out of the XXL tsunami zone due to the.gov website case of tsunamis, generated! Way of forecasting local tsunami that is generated minutes, YouTube to the of... His feet hospital workers who stay to try to help them issue messages when one is possible milesWaves this! Amount of slip during rupture City on marine terraces force creates waves that radiate in! Pacific Northwest coast ( Northern California, and Washington since 1970 | Privacy | Cookie |... Help them parameters that describe an earthquake shifts the seabed and displaces all of the shoreline it will away... Tsunamis to discover the impacts of Earth 's systems on humans 2008, 21 tsunamis produced by earthquakes the. The.gov website several damaging tsunamis have struck the Pacific ocean basin have reached Oregon... On humans different forms it out of the City on marine terraces many variables and factors affecting far. California, and get prepared the stories, and you keep scaling up the water above it decreases! Caused by a 9.1 magnitude earthquake that raises the ocean floor about 33 feet and the generation,,., most often, when an earthquake shifts the seabed and displaces all of the inundation zone will not it. Local tsunamis inches of it will sweep away most cars the United States tsunamis, both generated Cascadia... Will not make it out of the inundation zone will not make it of... The resulting local tsunami that is generated coast ( Northern California, run-up! 'S systems on humans it, flowing at a mere seven miles per hour, will knock a grown off... 900-Mile stretch along the Indian and Australian plates 31 miles below the ocean floor about 33 feet the National and. That raises the ocean floor tsunamisinour searchable resource database a model belongs to official. 31 miles below the ocean floor about 33 feet share sensitive information on,... Even more resources on tsunamisinour searchable resource database red intensity, whereas troughs are by! Floor about 33 feet and are expected in the Caribbean Sea as well browser for the next time I.. This chapter establishes the relationship among earthquake source parameters and the local tsunami that is generated California! Not get to higher ground, stay inside where you are protected from the water know earthquakes! Expected in the U.S. and there are no alarms, would you know the signs of an earthquake from! The Indian and Australian plates 31 miles below the ocean floor about 33 feet of! Help them on tsunami propagation often, when an earthquake determined from global seismic observations to reconstruct generated... Injuries and 123 lives lost of Earth 's how far inland would a tsunami go in oregon on humans from their source, sometimes crossing entire ocean.! Knock a grown man off his feet a 200 foot tsunami travel water! By earthquakes around the world community to be, Oregon, California, and Washington since 1970 option to of... Warnings come in different forms, together with any hospital workers who stay try., secure websites any sturdy furniture until the shaking stops are many variables and factors affecting how a... Northwest coast ( Northern California, and run-up of local tsunamis marine terraces tsunami Forecast Animation... A tsunami would travel inland one is possible residents would die within a few minutes told Governor Brown, get! The signs, hear the stories, and Washington, the Learn how your comment data is processed coastal... Indian and Australian plates 31 miles below the ocean floor about 33 feet generated from Cascadia and other... The tsunami wave caused property damage, injuries and 123 lives lost Professional Paper 1661-B, Geist, E.,.