Not only is the shaking highly annoying (imagine a little brother just poking you over and over again until you punch him) but the repetitive loud noise will make your ears ring.
What is causing the shaking (and noise)? A new mixed use building.
From the PI:
"Construction is set to start next week on the North Lot project, which includes 400,000 square feet of offices, 35,000 square feet of retail space and 800 family-oriented homes, including 100 units affordable to people earning up to 70 percent of median income. It would be the largest transit-oriented development on the West Coast, putting homes near King Street train station and several major bus lines, along with urban amenities in Pioneer Square and the International District."Here is a video I took while walking to work a few weeks ago:
And, for those that think I am overly exaggerating, I cordially invite you to sit at my desk for 30 minutes and try not to go freaking insane.