Science & EnvironmentNorthwest scientists use ancient trees (and an underwater chainsaw) to uncover our seismic historyBy Jes Burns (OPB)Oct. 15, 2021 1 p.m.THANKS TO OUR SPONSOR:Become a Sponsor📨 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
