
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. 6 was recorded in the North Bay this morning. 
</s>
<m> according to </m> in The U. S. Geological Survey reported an earthquake measuring 4. 6 rattled Sonoma and Lake counties early Thursday, according to the U. S. Geological Survey. 