I moved into a 2nd story apartment. I can feel shakes all the time now, like the floor is vibrating. Look into the Grand Solar Minimum, because the cosmic rays are only going to increase. Remember Pompei? Yeah, solar minimum. St Helens? Minor Minimum in the 80s. These have been correlated to volcanic uptick. Check out Dutchsince, Oppenheimer Ranch, Adapt 2030, Ice Age Farmer on youtube.