
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 </m> in Lake County's Cobb Mountain community was shaken awake early Thursday morning by a magnitude 4. 6 earthquake that startled even folks accustomed to seismic activity because of its size. While shakers around magnitude 2 and 3 are common to the area, Thursday's 2 : 09 a. m jolt lasted longer and proved stronger than usual, residents said. 