
Are the following mentions coreferent?:
<m> according to </m> in According to the U.S. Geological Survey, an earthquake with a preliminary magnitude of 4.4 struck in Sonoma County this morning near The Geysers. The earthquake struck at about 9:30 a.m. and had a depth of 2.7 miles, according to the USGS. The quake was centered about two miles from The Geysers and 13 miles east of Cloverdale. Previously this morning, an earthquake with a preliminary magnitude of 2.0 struck near The Geysers. 
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<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. 