
Are the following mentions coreferent?:
<m> quake </m> in A powerful earthquake centered near The Geysers shook not just communities on Cobb but startled residents in other parts of the county and even in other states. The 4.2-magnitude earthquake was recorded at approximately 9:27 a.m. Sunday, according to the US Geological Survey, which originally had rated the quake as 4.4 in magnitude. At 9:32 p.m., it was followed by a 2.0-magnitude centered quake two miles east of The Geysers and four miles southwest of Cobb, at a depth of two-tenths of a mile. 
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<m> magnitude 4 . 6 earthquake </m> in Lake County's Cobb Mountain community was shaken awake early Thursday morning by a magnitude 4. 6 earthquake that startled even folks accustomed to seismic activity because of its size. While shakers around magnitude 2 and 3 are common to the area, Thursday's 2 : 09 a.m. jolt lasted longer and proved stronger than usual. The U.S. Geological Survey reported that the quake was centered about 3 miles southwest of Cobb, in a seismically active area near The Geysers geothermal steamfields. 