poet Craig Arnold missing

from Jill Essbaum:

Hi all. I apologize if you are receiving this email in duplicate, as there are several of us forwarding this. 

I'm writing because a dear friend of mine and an exceptionally talented poet, Craig Arnold, whom some of you know, has gone missing on a small volcanic island in Japan while on a creative exchange fellowship. Craig, an experienced explorer of volcanoes, never returned to his inn after leaving alone to research the island's active volcano for the afternoon. The authoriti