
Are the following mentions coreferent?:
<m> magnitude 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. 
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<m> Magnitude 4 . 6 Earthquake </m> in An earthquake with a preliminary magnitude of 4. 6 was recorded in the North Bay Thursday morning, according to the U. S. Geological Survey. The quake occurred at 2 : 09 a. m. about 14 miles north - northeast of Healdsburg and had a depth of 1. 2 miles. 