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Reventador volcano (Ecuador): elevated activity, lava flows and ash emissions

Sat, 29 Mar 2014, 10:16
10:16 AM | BY: T
Overlaying of thermal and visible images showing the new lava flows on Reventador (image: F. Vásconez , IG)
Overlaying of thermal and visible images showing the new lava flows on Reventador (image: F. Vásconez , IG)
Current seismic signal from Reventador (CONE station, IGPEN)
Current seismic signal from Reventador (CONE station, IGPEN)
The volcano's activity has remained high since the beginning of the current eruptive phase since 25 March. Fresh lava continues to extrude at the summit crater, adding to the dome that had been active since 2011, and producing incandescent avalanches, small pyroclastic flows on its flanks and ash emissions.
Seismic activity has remained at high levels, showing continuous tremor and emissions signals. IGPEN reports that the pyroclastic flows on the E, SE and S flanks have traveled up to 1.5 km from the summit. Additionally, there seems to be at least 2 lava flows that descend the south-eastern and eastern flank of the volcano, with fronts reaching approx. 500 m distance.

Previous news

Wed, 26 Mar 2014, 16:36

Reventador volcano (Ecuador): new eruption

Continuous ash emission and incandescent avalanches on Reventador's eastern flank (image: G. Taipe / IGP)
The volcano has entered a new eruptive phase since yesterday, Ecuador's Institute of Geophysics (IGP) reported. Starting from 15:00 local time yesterday, increasing tremor was registered and steady ash emissions were observed. At night, incandescent blocks could be seen and heard rolling down from the crater where probably a new lava dome has started to appear. ... Read all
Wed, 26 Mar 2014, 06:00

Reventador volcano (Ecuador) - Smithsonian / USGS Weekly Volcanic Activity Report for 26 March-1 April 2014 (New Activity / Unrest)

IG reported that activity at Reventador increased on 25 March. At 1830 an explosion was followed by a pyroclastic flow that traveled 500 m down the flanks. Strombolian activity produced gas-and-ash plumes that rose 1.5 km above the crater. ... Read all
Show more
Reventador volcano
Stratovolcano 3562 m (11,686 ft)
Ecuador, -0.08°S / -77.66°W
Current status: erupting (4 out of 5) Reventador volcano eruptions:
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
Typical eruption style
Explosive and effusive.

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