
Are the following mentions coreferent?:
<m> earthquake </m> in Indonesia's West Papua province was hit by a magnitude 6.1 earthquake, the latest powerful tremor to shake the region where five people were killed and hundreds injured at the weekend when buildings were destroyed. The quake struck off the coast at 7:48 a.m. local time, 75 kilometers ( 50 miles ) west of the region's main city of Manokwari. There were no immediate reports of damage or casualties and no tsunami alert was issued. 
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<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. 