
Are the following mentions coreferent?:
<m> which </m> in Indonesia straddles a chain of fault lines and is one of the few countries that doesn't have a permanent undersea volcano, which is said by the International Geophysical Union. 
</s>
<m> which </m> in 6. 1 - magnitude earthquake which hit the Indonesian province of Aceh on Tuesday killed a child, injured dozens and destroyed buildings, sparking panic in a region devastated by the quake - triggered tsunami of 2004. 