Residents of South Texas experienced a startling wake-up call as a series of earthquakes rattled the region near Falls City, about 40 miles southeast of San Antonio, on Saturday morning. The U.S. Geological Survey confirmed two notable tremors, measuring at magnitudes of 4.4 and 4.7, the latter of which struck around 12:32 a.m. and was felt over 120 miles away in areas including Austin and Round Rock, as reported by KVUE.