
Are the following mentions coreferent?:
<m> 6 . 1 - magnitude earthquake </m> in Indonesia's northwestern province of Aceh today, causing buildings to collapse and injuring at least 50 people. A strong 6. 1 - magnitude earthquake struck Indonesia's northwestern province of Aceh today, causing buildings to collapse and injuring at least 50 people. 
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<m> earthquakes </m> in A series of earthquakes killed a 10-year-old girl and injured dozens Sunday in remote eastern Indonesia and briefly triggered fears of another tsunami in a country still recovering from such a disaster in 2004. One of the quakes, a 7.3-magnitude tremor, was felt as far away as Australia and sent small tsunamis into Japan's southeastern coast. 