
Are the following mentions coreferent?:
<m> earthquakes </m> in Indonesia's Meteorology and Geophysics Agency ( BMG) said that there were two powerful earthquakes which flattened buildings and killed at least one person. 
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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. 