DEVORE, Calif. -- A preliminary 4.4-magnitude earthquake struck 2 miles south, southwest of Devore Tuesday afternoon, according to Los Angeles County fire officials.
The quake, which was upgraded from a 4.3-magnitude to a 4.4, happened around 5:48 p.m. at a depth of 3.1 miles, Caltech officials said.
A total of 14 aftershocks occurred shortly after the initial jolt. Many of the aftershocks were a magnitude-3.8 or as small as a 0.7.
Eyewitness News viewers reported feeling the temblor in Pomona, Rancho Cucamonga, Ontario, Sherman Oaks, Glendale, Fontana, San Bernardino, Norwalk, La Puente and Riverside, among other communities within Los Angeles, Orange and San Bernardino counties.
The Los Angeles Fire Department went into earthquake mode, and Los Angeles County residents were reminded to be vigilant.
The Los Angeles County Office of Emergency Management asks residents to take the following steps to be prepared for an earthquake:
For more information on emergency preparedness programs, visit the the County of Los Angeles Emergency Survival Guide (http://lacoa.org), Specific Needs Awareness Planning (https://snap.lacounty.gov), or Emergency Survival Program (http://www.espfocus.org).