Iliamna volcano (United States) - Smithsonian / USGS Weekly Volcanic Activity Report for 7 March-13 March 2012 (New Activity / Unrest)
AVO reported that earthquake activity had steadily increased at Iliamna during the past three months. On 9 March AVO increased the Alert Level to Advisory and the Aviation Color Code to Yellow. The report noted that the current activity was characterized by numerous earthquakes that had varied in their number and magnitude over the past week.
Wed, 7 Mar 2012, 06:0006:00 AM | BY: VN
Source: US Geological Survey Alaska Volcano Observatory (AVO)
From: Global Volcanism Program, 2012. Report on Iliamna. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 7 March-13 March 2012. Smithsonian Institution and US Geological Survey.