
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> 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. 