If you thought the earth was moving early this morning, you were right. A magnitude 4.0 earthquake rattled the high desert at 2:38 this morning, about 9 miles northeast of Barstow. The earthquake was shallow, at a depth of 1.3 miles. The US Geological Survey reports the quake was felt from Las Vegas to Anaheim. There were no reports of damage or injuries in the Morongo Basin.