
Are the following mentions coreferent?:
<m> 6 . 1 - magnitude quake </m> in A powerful 6. 1 - magnitude earthquake strikes the northern Indonesian province of Aceh, killing at least three people and injuring dozens more across the affected region. According to the US Geological Survey, the quake hit at a depth of 10 kilometers ( 6 miles ) in the Northern Province of Aceh. Last year, a 6. 4 - magnitude quake rocked the west coast of Sumatra Island, killing at least one person. 
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<m> 6 . 1 - magnitude quake </m> in Indonesia's Aceh suffered a strong 6. 1 - magnitude earthquake that struck Indonesia's northwestern province of Aceh, causing buildings to collapse and injuring at least 50 people. The quake hit inland at 0737 GMT at a depth of just 10 kilometres, 55 kilometres south of Bireun and 72 kilometres southeast of Reuleuet, the US Geological Survey said. 