
Are the following mentions coreferent?:
<m> quakes </m> in Indonesia's Meteorology and Geophysics Agency ( BGE) said that there were two powerful earthquakes which flattened buildings and killed at least one person. 
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<m> 6 . 1 - magnitude quake </m> in Indonesia's Aceh suffered a strong 6. 1 - magnitude earthquake that struck Indonesia's northwestern province of Aceh, causing buildings to collapse and injuring at least 50 people. The quake hit inland at 0737 GMT at a depth of just 10 kilometres, 55 kilometres south of Bireun and 72 kilometres southeast of Reuleuet, the US Geological Survey said. 