This week - 326 years ago - a massive earthquake shook the Pacific Northwest. Back then, there was no such thing as a seismometer. Here’s how scientists uncovered the date of the 1700 Cascadia quake ... and why preparedness matters today more than ever! For more about earthquakes, visit earthquake.ca.gov. And for more about tsunamis, visit tsunami.ca.gov. | California Governor's Office of Emergency Services
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This week - 326 years ago - a massive earthquake shook the Pa…
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Cascadia Megathrust: How We Know When It Happened For centuries, the Cascadia Megathrust earthquake was a puzzle. The Pacific Northwest landscape showed clear signs of a massive earthquake and tsunami, but no local written records explained when it occurred. One key clue came from across the Pacific. In January 1700, Japanese records described a tsunami that arrived without a nearby earthquake. By tracing how tsunami waves travel, scientists linked it to a powerful quake off North America’s coas
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Cascadia Megathrust: How We Know When It Happened For cent…
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Was a humongous Cascadia earthquake just one of many?
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1700 Cascadia earthquake - Alchetron, the free social encyclopedia
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The 1700 Cascadia earthquake occurred along the Cascadia subduction zone on January 26, 1700, with an estimated moment magnitude of 8.7–9.2. The megathrust earthquake involved the Juan de Fuca plate from mid-Vancouver Island, south along the Pacific Northwest coast as far as northern California. The plate slipped an average of 20 meters (66 ft) along a fault rupture about 1,000 kilometers (600 mi) long. Westen Travels - November 2022, Siletz Bay Oregon | Vincent Easley II
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The 1700 Cascadia earthquake occurred along the Cascadia subd…
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In a recent Wired article entitled, "The Long-Lost Tale of an 18th-Century Tsunami, as Told by Trees" new evidence for the Cascadia tsunami of 1700 is brought to light by examining tree rings on the U.S. Pacific coast. This SOS dataset shows the 1700 Cascadia tsunami modeled by the NOAA Pacific Tsunami Warning Center RIFT model. Earthquakes like this one (magnitude 8 or 9) along the Juan de Fuca plate on the coast of Washington, Oregon, California, and British Columbia are thought to happen ever
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Cascadia Subduction Zone caused major Washington earthquake 324 years ago
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