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Reventador volcano (Ecuador) - Smithsonian / USGS Weekly Volcanic Activity Report for 3 August-9 August 2011 (New Activity / Unrest)

Ср, 3 авг 2011, 06:00
06:00 AM | ПЇЅПЇЅПЇЅПЇЅПЇЅ: VN
The IG reported that scientists conducting an overflight of Reventador on 14 July noted that the lava dome at the top of the 2008 cone continued to grow, filling the crater. The dome had reached the same height as the highest part of the crater rim, formed during 2002. Intense fumarolic activity produced continuous plumes.
The dome was thought to have formed during 2011, growing at a rapid rate and producing high temperatures. IG also noted that seismicity had increased starting in May but was more pronounced during the previous few weeks. During 3-9 August cloud cover prevented observations of the lava dome, but the seismic network detected long-period and explosion-type earthquakes.

Source: Instituto Geofísico-Escuela Politécnica Nacional (IG)
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From: Global Volcanism Program, 2011. Report on Reventador. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 3 August-9 August 2011. Smithsonian Institution and US Geological Survey.

Предыдущие новости

Wed, 5 Jan 2011, 06:00
Based on a pilot observation, the Washington VAAC reported that on 4 January an ash plume from Reventador rose to an altitude of 5.2 km (17,000 ft) a.s.l. Cloud cover prevented clear satellite observations of the volcano. A subsequent report stated that IG noted low seismicity, no reports of ashfall, and that satellite imagery showed no ash emissions. ... Read all
Wed, 3 Nov 2010, 06:00
Based on a pilot observation, the Washington VAAC reported that on 2 November an ash plume from Reventador rose to an altitude of 4.6 km (15,000 ft) a.s.l. Cloud cover prevented clear satellite observations of the volcano. ... Read all
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