
Are the following mentions coreferent?:
<m> earthquake </m> in Indonesia's Aceh province was shook by a strong earthquake that struck at a depth of just 10 kilometers and its epicenter was located 55 kilometers ( 34 miles ) west of the town of Bireun on the western tip of Sumatra island. 
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<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. 