Pagan Weekly Update issued Jan 27, 2012 09:11 ChST Volcano Alert Level ADVISORY - Aviation Color Code YELLOW

Satellite images of Pagan showed a gas and steam plume drifting downwind from the volcano most of the past week. The USGS received no further reports of unrest or activity at Pagan volcano. Pagan Volcano is not monitored with ground-based geophysical instrumentation and the only sources of information are satellite observations and occasional reports from observers who pass by or visit the island. We will continue to evaluate satellite imagery, on-island, and mariner reports when they become available, but because the volcano is not monitored with ground-based instruments, we cannot ...

http://volcanoes.usgs.gov/activity/archive/current.php?noticeid=6940