
Are the following mentions coreferent?:
<m> earthquake </m> in An earthquake with a preliminary magnitude of 4.4 struck in Sonoma County this morning near The Geysers, according to the U.S. Geological Survey. 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. 
</s>
<m> 4 . 6 - magnitude earthquake </m> in A 4. 6 - magnitude earthquake rattled Northern California overnight Thursday, shaking residents from San Francisco to north of Sacramento. The temblor struck at 2 : 09 a.m. and was centered in Geyserville, about 20 miles north of Santa Rosa, according to the U. S. Geological Survey. USGS measurements indicated at least 20 smaller earthquakes followed throughout the morning. 