tonight Southern California is bracing for aftershocks after a major earthquake jolted the region as we have a bit of an earthquake here in Los Angeles just after noon local time a 4.4 Quake shook the Highland Park neighborhood just a few miles north of downtown Los Angeles it was a jolt and then the building just started to to shake violently it wasn't those nice rly ones we get that I had to hold on to the door jam and I could feel someone else holding on to me emergency off officials including the ell fire department activating earthquake mode officials inspecting neighborhoods throughout the city for damage ESPN hosts were broadcasting when they realized an earthquake was hitting them that's an earthquake that's an earthquake that whoa that is a real one guys whoa whoa whoa whoa that is real and watch as these dogs appear startled by the earthquake in Monterey Park when you have a lot of earthquakes you tend to have a lot of earthquakes us Geological Survey scientists seemen taking cover two while on lunch break on the eighth floor of their downtown LA office it's a pretty good Jewel nothing was knocked over but I think almost everybody felt it the top of pasadina City Hall gushing water after the Quake hit a pipe officials evacuating these middle school students on the first day of school for many our crews discovered that a sprinkler head at the very top of the Rotunda actually the piping broke uh causing a waterf flow there have been smaller Quakes recently but Caltech officials say today's was not related sor Mar Shaw ABC News Los Angeles