Magnitude 5.4 quake, a powerful aftershock to Ridgecrest temblor, jolts Southern California

Less than a day after the largest earthquake with an epicenter in Southern California in two decades rattled communities across the state, another strong jolt — a magnitude 5.4 aftershock — struck early Friday near Ridgecrest, Calif., according to the U.S. Geological Survey.

The temblor was among…