
Are the following mentions coreferent?:
<m> quake </m> in A powerful earthquake centered near The Geysers shook not just communities on Cobb but startled residents in other parts of the county and even in other states. The 4.2-magnitude earthquake was recorded at approximately 9:27 a.m. Sunday, according to the US Geological Survey, which originally had rated the quake as 4.4 in magnitude. At 9:32 p.m., it was followed by a 2.0-magnitude centered quake two miles east of The Geysers and four miles southwest of Cobb, at a depth of two-tenths of a mile. 
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<m> 4 . 6 earthquake </m> in 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. It was felt over a wide area of the region, including in Santa Rosa, Marin County and Vallejo, according to the U. S. Geological Survey. 