
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 earthquake </m> in Rescue operations are underway after a 6. 1 magnitude earthquake hit Indonesia's Aceh province, flattening houses and causing landslides. Officials say at least 24 people were killed and more than 200 injured by the quake, which struck the western tip of Sumatra island on Tuesday. It is said that the quake was felt for around 15 seconds, from Banda Aceh, the regional capital, to Bener Meriah, one of the worst-hit areas. 