<p>Seismologist Dale Grant of the US Geological Survey says the magnitude-5.1 quake struck just before 4 pm yesterday. It was centered about 40 kilometres southeast of Calexico, California, and 37 kilometres southeast of Mexicali, Mexico, at a depth of 10 kilometres.<br />Several aftershocks followed, the largest a magnitude-4.2 about two hours after the initial quake.<br /><br />The USGS has received reports of people feeling the quake from 193 kilometres west of the epicentre in San Diego, to 96 kilometres east in Yuma, Arizona.<br />Dispatchers with the Calexico Police Department say the station shook briefly but there were no reports of damage or injuries.<br />Calexico is 193 kilometres east of San Diego and has a population of 27,000.</p>
<p>Seismologist Dale Grant of the US Geological Survey says the magnitude-5.1 quake struck just before 4 pm yesterday. It was centered about 40 kilometres southeast of Calexico, California, and 37 kilometres southeast of Mexicali, Mexico, at a depth of 10 kilometres.<br />Several aftershocks followed, the largest a magnitude-4.2 about two hours after the initial quake.<br /><br />The USGS has received reports of people feeling the quake from 193 kilometres west of the epicentre in San Diego, to 96 kilometres east in Yuma, Arizona.<br />Dispatchers with the Calexico Police Department say the station shook briefly but there were no reports of damage or injuries.<br />Calexico is 193 kilometres east of San Diego and has a population of 27,000.</p>