are you feeling the shake the Inland Empire just experienced back-to-back Quakes at 105 a.m. a 3.5 magnitude earthquake hit southeast of Ontario just 30 minutes later a stronger 3.9 magnitude Aftershock shook the same area the Tremors reached as far south as Corona and as far north as Fontana local authorities including the San Bernardino County fire and police departments are on the scene assessing the situation thankfully no significant injuries or structural damage have been reported for context California experiences around five Quakes of 5 Z magnitude or higher annually while today's Quakes were relatively minor they serve as a reminder of the Region's seismic activity residents are urged to report any damage or unusual observations to the KCl Newsroom for ongoing updates stay safe and stay informed this is your quick update on the Inland Empire earthquakes