
Are the following mentions coreferent?:
<m> quake </m> in An earthquake with a preliminary magnitude of 4. 6 was recorded in the North Bay this morning, according to the U. S. Geological Survey. The quake occurred at 2 : 09 a.m. about 14 miles north - northeast of Healdsburg and had a depth of 1. 2 miles. According to Earthquaketrack. com, it is the largest earthquake in the area for the past month. 
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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. 