Think Out LoudWhat a plume of liquid spewing from the Oregon seafloor could tell researchers about the Cascadia faultBy Gemma DiCarlo (OPB)April 27, 2023 5:01 p.m.Broadcast: Thursday, April 27📨 Daily news in your inboxSign up today for OPB’s “First Look” – your daily guide to the most important news and culture stories from around the Northwest.EmailPlease leave this field blankSign up