This week's tremor arised from the majority of damaging negligence. Here's what to know - NBC Los Angeles

.Recently's tremor stemmed from a lot of harmful negligence. Here's what to know NBC Los AngelesSeismologist portends boosting earthquake activity in Southern California KTLA Los Angeles4.4 quake hits LA Region, shakes structures and also rattles nerves around SoCal ABC7 Los AngelesWatch: Immensity 4.4 earthquake captured during real-time broadcast on ESPN CNN.