
Are the following mentions coreferent?:
<m> 6 . 1 - magnitude earthquake </m> in A powerful 6. 1 - magnitude earthquake struck the Indonesian province of Aceh with no tsunami warning issued, the US Geological Survey said, sending people running into the streets in panic. A strong 6. 1 - magnitude earthquake struck the northwestern Indonesian province of Aceh on Tuesday, the US Geological Survey said, sending people running into the streets in panic. 
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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. 