For those who have not really been in an earthquake, 4.2 earthquakes are really small -
Once you hit the 5+ ones, things start to shake a little out here in Los Angeles
The 1994 Northridge earthquake, on January 17, was a 6.7. We were three miles from the epicenter - that one toppled our refrigerator down. That earthquake was not a rumbler (which rolls), but a sharp movement, in which everything moved 10 inches on one way (hence the fridge going down).