At around 10:16 a.m. Thursday morning, a magnitude 5.0 earthquake was registered in Texas, near the area of Mentone, Texas, about 50 miles southeast of Carlsbad. Seismic instruments indicate the earthquake originated at a depth of around 5.3 miles. “The preliminary (reading) was 4.7, then they reviewed it, and it came out at 5.0,” Dr. David Wilson, scientist in charge …