
Are the following mentions coreferent?:
<m> struck </m> in An earthquake with a preliminary magnitude of 4.4 struck in Sonoma County this morning near The Geysers, according to the U.S. Geological Survey. The earthquake struck at about 9:30 a.m. and had a depth of 2.7 miles, according to the USGS. Previously this morning, an earthquake with a preliminary magnitude of 2.0 struck near The Geysers, according to the USGS. 
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<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. 