
Are the following mentions coreferent?:
<m> 4 . 4 quake </m> in A 4. 4 quake is on the large size for The Geysers. The UGSG Website says the largest quake ever to be recorded there was 4. 5. 
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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. 