It occurred at approximately 10:35 a.m. PST. A list of responders of those who felt it and their distance from the epicenter. They don’t think that it was related to volcanic activity.
Also On This Site: From YouTube Via Sound Politics: NASA-Mt St Helens: Thirty Years Later…Seattle Earthquake-January 30th 2009-4.5 On The Richter Scale…From The New Scientist: ‘Giant Crack Formed In Just Days’…
Via Sound Politics: ’360 Degrees Of Mt. St. Helens’
