Cotopaxi volcano (Ecuador) - Smithsonian / USGS Weekly Volcanic Activity Report for 7 January-13 January 2004 (Continuing Activity)
Wed, 7 Jan 2004, 06:00 | BY: VN
During 29 December to 4 January, the number of earthquakes at Cotopaxi slightly increased in comparison to the previous week. On 2 January a strong smell of sulfur was reported in the Yanasacha area.Source: Instituto Geofísico-Escuela Politécnica Nacional (IG)
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From: Global Volcanism Program, 2004. Report on Cotopaxi. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 7 January-13 January 2004. Smithsonian Institution and US Geological Survey.
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Wed, 24 Dec 2003, 06:00
Cotopaxi volcano (Ecuador) - Smithsonian / USGS Weekly Volcanic Activity Report for 24 December-30 December 2003 (Continuing Activity)
During 15-21 December, there was a slight reduction in the level of seismicity at Cotopaxi in comparison to the previous week. The number of long-period earthquakes increased around 20 December. No volcano-tectonic earthquakes were recorded. Only fumarolic activity was observed at the volcano. ... Read all
Wed, 17 Dec 2003, 06:00
Cotopaxi volcano (Ecuador) - Smithsonian / USGS Weekly Volcanic Activity Report for 17 December-23 December 2003 (Continuing Activity)
Seismicity at Cotopaxi during 8-14 December was above background levels, much like the previous week. During the report period, there was an increase in high-frequency tremor, but it remained within "normal" limits. A weak scent of sulfur was reported and steam columns rose to low levels. ... Read all
Wed, 26 Nov 2003, 06:00
Cotopaxi volcano (Ecuador) - Smithsonian / USGS Weekly Volcanic Activity Report for 26 November-2 December 2003 (Continuing Activity)
During 10-16 November, seismicity at Cotopaxi was at moderate levels, although it had increased in comparison to previous weeks. During the report period, seismicity was dominated by long-period earthquakes. Since late October volcano-tectonic earthquakes occurred beneath the zone of Pita and beneath the volcano's edifice. ... Read all
