Jan. 26th marks the 323rd anniversary of The Big One™️ — aka the 1700 magnitude 9 Cascadia Megathrust earthquake. The massive fault may have ruptured along its 700-mi length, from mid-Vancouver Island to Cape Mendocino, CA. Here’s a recap of what happened + some reminders! 🧵1/13 This earthquake generated a tsunami that smashed into the Pacific coastline and areas throughout the Pacific Ocean. It is the most recent Cascadia Subduction Zone earthquake to have occurred among the 19 that are believed to be full-length events in the last 10,000 years. 🧵2/13

Each year, @ShakeOut is an opportunity to practice what you would do during an earthquake. Knowing what to expect can help keep you calm and collected when the real thing happens so you can effectively protect yourself. But what exactly does the real thing feel like? @ShakeOut Many folks living in the PNW might not have experienced a significant earthquake before. Maybe you've moved to the area since the last one (2001 Nisqually), or maybe you were too young to remember (many of the undergrads here @UW @uoregon weren't even born yet during Nisqually!).