tonight, tropical storm hilary is lashing southern california with tens of millions in its path this is the damage hilary has already done a wall of mud and water ripping through one mexico town. the historic storm making landfall over baja california in that country earlier today. but now it s pounding the u.s. some 26 million people from the southwest up to idaho under flood alerts it s been decades since a storm like this has hit the region and officials warn it could be deadly and catastrophic but breaking right now, an earthquake rocking southern california let s get right to erin mclaughlin in cherry valley just east of los angeles. and erin, people felt this earthquake just as the storm hit what can you tell us reporter: that s right, kristen according to the usgs there was a magnitude 5.1 earthquake that struck ojai, california to the north of los angeles