Get some bikes. This Week in Portland Food and Drink: November 4, Vanessa Veselka Writes the Reality of Poverty in America, Our Picks for the 2020 Portland Book Festival, How to Chill Out While You Wait for Election Results, Jason Langer’s New Series Explores Hope, Light and Shadows, and the Creative Process, Rally the Troops, Enchanted Forest Needs Us, On Election Night, Portland Kept It Peaceful, Live Coverage of Portland's Election Night 2020 Demonstrations, LIVE: Portland City Council & Metro Results, Hoping to Camp in Oregon State Parks in 2021? © 2020 Scientific American, a Division of Springer Nature America, Inc. Support our award-winning coverage of advances in science & technology. Format. Most fuel gets here by way of a single, vintage 1960s pipe from Washington—owned and operated by BP—beneath the Columbia and Willamette Rivers. THE BOATS: The Portland Spirit, tugs, and other rivercraft will become ferries. 0000206952 00000 n Eventually that stress can be released rapidly as an earthquake, with the magnitude depending on how large the patch of fault that ruptures is. 0000017455 00000 n It will be bigger, deeper, and longer: 3–6 minutes, with potentially dozens of aftershocks, some very powerful, for days, even months, later. 0000036649 00000 n Oregon State University paleoseismologist Chris Goldfinger said: “It’ll spread from Canada to California over 800 miles. By What we should do Upgrading the entire system would be like rebuilding the city. 5.3. south of the Fiji Islands. Year Published: 2015 Earthquake forewarning in the Cascadia region. Bridges will crack. 0000141373 00000 n Where the mantle is slowly rising over millions of years, the rock decompresses. The bureau also now has “urban search and rescue” squads on both sides of the river trained to find people in rubble. For the Northwest, preparedness could mean the difference between bouncing back in years or not bouncing back for decades. Several multinational energy companies are involved; some have seismically upgraded some of these facilities, others have not. You’ll need to get around. When the big shake comes, you’re going to want to connect with your brood as quickly as possible. <]/Prev 1198498/XRefStm 2151>> Have family documents organized and ready to grab and go. Sit down with your family and/or friends to discuss what to do. Bucket-flushing toilets at home will only clog the system. So will ramps leading to just about all the bridges. “The people who preserve their own food, ride bikes, catch rain water, raise chickens, and garden will thrive after an earthquake.”, What we’ve done Multnomah County has partnered with the Red Cross and other emergency organizations to create list of potential shelters with the unofficial promise that they’ll adopt anyone who comes to them in need. Oregonians Are Wearing Their Masks, a New Survey Shows. Most people don’t associate it with earthquakes, but they should. These Candidates’ Debate Backdrops Might Help. For the first couple of weeks, water will have to be pumped, purified, and trucked. The region’s quake planners agree: people will be stuck where they are for quite some time. By Professional emergency responders: 2,100. 0000075602 00000 n Tock: a magnitude 9. Preparation may mean the difference between finding your loved ones or not; between sleeping inside your mildly damaged house or on a cot in a refugee center; between going hungry and thirsty for days or managing until supplies arrive. One has to do with plate locking, which tells us where stress is accumulating along the fault. Our work does suggest that a large event is more likely to start in either the northern or southern sections of the fault, where the plates are more fully locked, and gives a possible reason for why that may be the case. Cost: $4,000. The following essay is reprinted with permission from The Conversation, an online publication covering the latest research. 0000209770 00000 n 0000006925 00000 n %%EOF 0000228440 00000 n That’s roughly 30 times more powerful than the largest predicted San Andreas earthquake. To explain we had to look deep, over 100 kilometers below the surface, into the Earth’s mantle. Officials are working hard on the problem. Japan had 2,600 base-isolated buildings before the 2011 quake. Differences observed along the Cascadia Fault explain why certain areas see more rumbling. 0000095566 00000 n The Future of Portland's Skyline Is Made of Wood. LISTEN: Yes, There Was an Election, but Can We Interest You in Food? Portland has one: Pioneer Courthouse, retrofitted in 2005. Could come in handy. By Grocery and “big-box” stores built before the 1995 seismic-code upgrade are likely to suffer severe damage, according to Oregon planners. By Then comes a seven-session course, culminating in a four-hour exercise in the field. 1.6 magnitude earthquake 2020-10-02 23:33:29 UTC at 23:33 October 02, 2020 UTC Location: Epicenter at 45.553, -122.766 3.2 km from West Haven (2.2 miles) The Big One is inevitable—right now, or 50 years from now. What we should do Just do it. Going au naturel, over time, will pollute the ground supply and river. And, yes: between living and dying. What we should do A Policy Committee was assembled by Portland City Hall in 2014, bringing together the Portland Bureau of Emergency Management, Prosper Portland (then the Portland Development Commission), and the Bureau of Developmental Services to work with community stakeholders to scrutinize the state of city’s crumbling, unreinforced sprawl. There is also an intensive version, given in three, all-day Saturday sessions. Eden Dawn, Gabriel Granillo, and Conner Reed, 10/05/2020 Know your evacuation routes! If the application does not load, try our legacy Latest Earthquakes application. Figure on a year to flush. To see these signals, we need records from seismic monitoring stations. San Francisco, she points out, has 29,000 trained volunteers. Jordan Michelman and Margaret Seiler, 921 SW Washington Street, Suite 750 Portland, OR 97205, The Portlander's Guide to Surviving the Big One, Two Types of Quakes Bigger Than the Big One, This Humble Backpack Could Save Your Life When the Big One Hits, 10 Ways to Survive an Earthquake in Portland, The Big One Just Got a Little More Likely, How to Survive the End of the World (or The Big One). 0000005672 00000 n 0000076316 00000 n What we found are two anomalous regions beneath the fault where seismic waves travel slower than expected. THE TUNNEL: Highway 26’s West Hills Tunnel was built before seismic codes. Think of Oregon geology as a clock, measuring time in earthquakes—46 major coastal quakes over the last 10,200 years. Many smaller undamaging and unfelt events take place in northern and southern Cascadia every year. There haven’t been many widely felt quakes along the Cascadia megathrust, certainly nothing that would rival a catastrophic event like the 1989 Loma Prieta earthquake along the active San Andreas in California. I-5 bridges, highways, and railroad lines may not be passable. That doesn’t mean it will stay quiet, though. 0000290336 00000 n A magnitude 6.3 earthquake off the coast of southern Oregon was felt as far away as the Seattle area on Thursday. We believe this increases the forces between the two plates, causing them to be more strongly coupled and thus more fully locked. One of the best seismic building systems is called “base isolation,” in which buildings slide atop pads within a kind of tub. 0000004149 00000 n Community Garden Leaders Aim to Bring Healing, Food Sovereignty to Portland, How the Pandemic Has Shifted Interior Design. Figure out the planned site of the nearest emergency node—find maps here.
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