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Reventador volcano (Ecuador) - Smithsonian / USGS Weekly Volcanic Activity Report for 21 March-27 March 2007 (New Activity / Unrest)

Mi, 21. Mär 2007, 06:00
06:00 AM | VON: VN
IG reported that during early March, the number of tectonic earthquakes from Reventador increased. Steam-and-ash plumes were sporadically visible and rose to altitudes of 4 km (13,000 ft) a.s.l. occasionally during 8-22 March.
On 21 March, noises were reported. The next day, seismic signals changed and indicated possible emissions. On 24 March, local people saw ash plumes and incandescent material near the crater and heard roaring noises.
An explosion produced a plume that rose to an altitude of 6.6 km (21,700 ft) a.s.l. and drifted W. Based on reports from IG, the Washington VAAC reported an ash plume to altitudes of 3.7-7 km (12,000-23,000 ft) a.s.l. that drifted NE and WNW during 26-27 March.
A thermal anomaly was present on satellite imagery during 24-27 March.

Sources: Instituto Geofísico-Escuela Politécnica Nacional (IG), Washington Volcanic Ash Advisory Center (VAAC)
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From: Global Volcanism Program, 2007. Report on Reventador. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 21 March-27 March 2007. Smithsonian Institution and US Geological Survey.

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Mi, 28. Dez 2005, 06:00

Reventador volcano (Ecuador) - Smithsonian / USGS Weekly Volcanic Activity Report for 28 December-3 January 2006 (Continuing Activity)

IG reported that during 19-25 December, seismicity was at low levels at Reventador and several small explosions occurred. According to the Washington VAAC, satellite imagery showed an ash plume at a height around 7.6 km (25,000 ft) a.s.l. extending NW on 29 December. ... Read all
Mi, 16. Nov 2005, 06:00

Reventador volcano (Ecuador) - Smithsonian / USGS Weekly Volcanic Activity Report for 16 November-22 November 2005 (Continuing Activity)

During 7-13 November, the number of earthquakes at Reventador increased slightly in comparison to the previous week. Small explosions produced ash plumes that rose to a height of ~4.6 km (15,000 ft) a.s.l. ... Read all
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Reventador Vulkan
Stratovolcano 3562 m (11,686 ft)
Ecuador, -0.08°S / -77.66°W
Aktueller Status: Ausbruch (4 von 5) Ausbrüche des Reventador:
1541, 1590, 1691, 1748, 1797, 1802, 1843, 1843, 1844, 1856, 1871, 1894, 1898-1906, 1912, 1926, 1929, 1936, 1944, 1955, 1957, 1960, 1972, 1973-74, 1976, 2002 (large eruption), 2004 (Nov) - 2005 (Jan), 2005 (June) - 2006 (March), 2008 (July) - ongoing
Typische Aktivität
Explosive and effusive.

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