Santa Ana volcano (El Salvador) - Smithsonian / USGS Weekly Volcanic Activity Report for 29 March-4 April 2006 (Continuing Activity)
During 24-31 March, activity at Santa Ana decreased to low levels in comparison to the previous 4 months of moderate activity. During the report period, seismicity was at relatively low levels, steam plumes occasionally rose ~200 m above the volcano (or 8,400 ft a.s.l.), and the daily sulfur-dioxide flux was between 500 and 1,000 metric tons. The Alert Level remained at red, the highest level, within 5 km of the volcano's summit crater.
Wed, 29 Mar 2006, 06:0006:00 AM | BY: VN
Source: Servicio Nacional de Estudios Territoriales (SNET)
From: Global Volcanism Program, 2006. Report on Santa Ana. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 29 March-4 April 2006. Smithsonian Institution and US Geological Survey.
Wed, 1 Mar 2006, 06:00
Santa Ana volcano (El Salvador) - Smithsonian / USGS Weekly Volcanic Activity Report for 1 March-7 March 2006 (Continuing Activity)
During 24 February to 6 March, seismicity at Santa Ana was relatively stable, and the sulfur-dioxide flux was lower than during previous weeks. The level of water in the lagoon within the crater decreased significantly. The Alert Level at Santa Ana remained at Red, the highest level, within a 5-km radius around the volcano's summit crater. ... Read all
Wed, 22 Feb 2006, 06:00
Santa Ana volcano (El Salvador) - Smithsonian / USGS Weekly Volcanic Activity Report for 22 February-28 February 2006 (Continuing Activity)
During 17-24 February, volcanic activity was at moderate levels at Santa Ana. Seismicity was relatively stable, and steam plumes rose to low levels above the volcano. The sulfur-dioxide flux was similar to measurements from previous weeks. ... Read all