
Are the following mentions coreferent?:
<m> according to </m> in According to the U.S. Geological Survey, a 4.2 magnitude earthquake shook a remote area of eastern Sonoma County, the largest in a flurry over the weekend. According to the USGS, the area has no fault, but the pumping of water from plants into the ground periodically induces small temblors. 
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<m> according to </m> in According to the US Geological Survey, the 4.2-magnitude earthquake was recorded at approximately 9:27 a.m. Sunday, which originally had rated the quake as 4.4 in magnitude. The US Geological Survey report listed the epicenter as two miles east southeast of The Geysers, four miles southwest of Cobb and four miles west of Anderson Springs, at a depth of 2.7 miles. 