
Are the following mentions coreferent?:
<m> shook </m> in A 4.2 magnitude earthquake shook a remote area of eastern Sonoma County on Sunday morning, the largest in a flurry over the weekend, according to the U.S. Geological Survey. The size of Sunday morning's earthquake caught the attention of people in Cobb, a small community along Highway 175 in Lake County, 4 miles east of The Geysers. 
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<m> Shakes Up </m> in Shakes Up - North Bay March 14, 2013 5 : 22 AM An earthquake with a preliminary magnitude of 4. 6 was recorded in the North Bay Thursday morning, according to the U. S. Geological Survey. 