
Are the following mentions coreferent?:
<m> quake </m> in Good sized quake at the California Geysers I felt this one pretty good. I'm located 25 miles south of the quake. A 4. 4 quake is on the large size for The Geysers. 
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<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. 