
Are the following mentions coreferent?:
<m> 6 . 1 - magnitude earthquake </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. An 8. 7 - magnitude earthquake also hit off the city of Banda Aceh in Sumatra Island in May 2012, triggering regional tsunami alerts. 
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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. 