The subway set used was the same one used in Universal Studios, Hollywood. It was used for different events, but was originally created for the Earthquake tour. The tram would stop in front of the set, the subway would start to come out of the tunnel, and then after the earthquake, the water would rush down the stairs and hit the subway and push it into a pillar and it would break apart.
The whole area can be reset within minutes and the water is drained and reused as well. It was set up with pneumatic pumps.
Bones, Booth and Inagawa feel the restaurant shake and Bones mentions that in 1811 and 1812 strong tremors shook D.C. From Dec. 1811 through Feb. 1812 a series of powerful quakes occurred around New Madrid, MO just west of the Mississippi River. The quakes cracked windows as far away as D.C. and N.Y., and made the Mississippi and Tennessee Rivers run backwards for a while.
The page number in Brennan's book of Hodgin's "thing that he does" is page 187, which is the same number used for the murder code, the main theme of the show.
In this episode told about Dr Kathy Reichs' character in Dr Brennan's book story, Kathy Reisch refers to the original scriptwriter of the Bones series.
Hodges, and all, discussing 'Quasar' safety slugs. In the real world Glaser Blue Safety Slugs disintegrate on impact and reputedly won't even penetrate a sheet of drywall, while the Silver Safety Slugs have slightly better penetration. The whole point of safety rounds is that they do not go through a body and hit something behind the target.