nothing happened to lower mainland. The magnitude 7.7 earthquake happened to Haida Guaii where it's west of Prince Rupert (over 1000kms north of lower mainland). While some folks called the radio stations reporting shakes detected in New Westminister, etc. I didn't feel anything in Rmd area.
I am in New West. I didn't feel the earthquake but the window blinds shook around the same time as the earthquake. I didn't put the two together until I saw the news.