
Are the following mentions coreferent?:
<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. 
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<m> 6 . 1 magnitude earthquake </m> in A powerful 6. 1 magnitude earthquake hit Indonesia's northwestern Aceh province on the island of Sumatra early Tuesday. The epicenter of the quake was roughly 55 kilometers from the town of Bireuen, a regency of the larger Aceh province, according to data from the US Geological Survey. 