
Are the following mentions coreferent?:
<m> Lake County earthquake </m> in The Napa Valley was shaken at 2 : 09 a.m. Thursday by a magnitude 4. 6 earthquake located near Clearlake in Lake County, the U. S. Geological Survey reported. The Napa Valley was shaken at 2 : 13 am. Thursday by a magnitude 4. 6 earthquake located near Clearlake in Lake County, the U. S. Geological Survey reported. 
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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. 