@divyafindsyou: ⚠️ PACIFIC NORTHWEST 9.0 MEGAQUAKE RISK The Cascadia Subduction Zone is a 1,000 km megathrust fault off the coasts of Vancouver Island, Washington, Oregon and northern California. Geological records from drowned forests, sand sheets and offshore cores show that Cascadia has produced many great earthquakes over the last 10,000 years, with full-margin ruptures repeating on the order of hundreds of years. A new line of research looks at the relationship between Cascadia and the San Andreas Fault. A 2025 study in Geosphere and follow-up coverage by National Geographic and LiveScience point to sediment evidence that in the past Cascadia earthquakes and northern San Andreas earthquakes often occurred close together in time, and in several cases may have been triggered pairs within hours to days. Probability numbers are not guesses. A brand-new USGS fact sheet (2025) estimates roughly a 10–15 percent chance of an M~9 Cascadia earthquake in the next 50 years, and earlier analyses suggest that the probability of a magnitude 8 or greater Cascadia earthquake could reach 30–40 percent when you include partial ruptures of the zone. That is why seismologists and emergency planners treat Cascadia as one of the most dangerous faults on Earth. Share this so more people in the US and Canada understand the real risk, and follow @DivyaFindsYou for ongoing coverage of Cascadia, the San Andreas, and the other subduction zones. #earthquake #fyp #trending #breakingnews #viralreels

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Friday 28 November 2025 16:17:25 GMT