
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> earthquakes </m> in Two powerful earthquakes flattened buildings and killed at least one person in Indonesia's West Papua province today after two powerful earthquakes flattened buildings and killed at least one person. As aid started to arrive, hundreds of aftershocks continued to rattle the coastal city which was hit by the 7.6 and 7.5 magnitude quakes early on Sunday, cutting power and prompting a brief tsunami warning. 