A 3.5-magnitude earthquake struck less than four miles southeast of Ontario at 4:08 a.m. Tuesday, July 10, according to the U.S. Geological Survey. The rattler was felt as far as San Bernardino and Temecula, according to the USGS Did You Feel It Map. As of 5 a.m., there were no reports of damage or injuries.
The earthquake cracked the earth when it struck Ontario 
( z1 crack :ARG0 ( z2 earthquake ) :ARG1 ( z3 earth ) :time ( z4 strike :ARG0 z2 :ARG1 ( z5 province :name ( z6 name :op "Ontario" ) ) ) )