
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 earthquake : 24 dead and over 200 injured as 6. 1 magnitude quake hits Aceh province.Soldiers and police are leading rescue operations in Indonesia after a 6. 1 magnitude earthquake hit Aceh province leaving 24 dead and over 200 injured.The quake struck yesterday afternoon at a depth of just six miles and was centred on the far western tip of Sumatra island in Aceh province. 