It’s not an earth quake.
They’re digging the foundation for the 63 story Ritz hotel and condo next door to my office building. All this week they have a blasting crew on site to use explosives to help with the digging. While they go we’re feeling the impact 22 floors up. Every blast shakes the building. It feels about the same as you would experience if you were pushing a refrigerator across the floor. But in a building this big and this far away it’s a bit unnerving.
When they’re finished digging the hole should be close to 10 stories deep.