
Are the following mentions coreferent?:
<m> struck </m> in A light earthquake has struck Northern California, and there are no reports of injuries or damage. The U.S. Geological Survey says the 4.4-magnitude temblor on Sunday at 9:27 a.m. was centered 23 miles north of Santa Rosa, and two miles from The Geysers. 
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<m> shakes </m> in 4. 6 earthquake shakes Northern California March 14, 2013 - 8 : 16 am A magnitude 4. 6 earthquake struck Northern California on Thursday morning, The temblor struck about 26 miles north of Santa Rosa in the Geysers area. There were no reports of damage or injuries, but there were some apparent aftershocks. 