The U.S.
Geological Survey reported that ash and sulfur dioxide emissions from Pagan were last detected on 6 September.
The Aviation Color Code and the Volcano Alert Level were both lowered to Unassigned on 24 September; Pagan is monitored with satellite imagery, distal geophysical data, and mariner reports and not ground-based instruments.
Source: US Geological Survey
Asosan (Japan)
