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Tall lava fountains from Nyamuragira early on 8 Nov 2011 (day 2 of the new eruption) (Video: Virunga National Park gorillacd's Channel on YouTube)
Nyamuragira volcano
Shield volcano 3058 m / 10,033 ft
DRCongo, -1.41°S / 29.2°E
Current status: minor activity or eruption warning (3 out of 5)
Nyamuragira webcams / live data | Reports
Nyamuragira volcano books
Nyamuragira volcano eruptions:
1865, 1882, 1894, 1896, 1899, 1901, 1902, 1904, 1905, 1906(?), 1907, 1907, 1908, 1909, 1912-13, 1920, 1921-38, 1938-40, 1948, 1951, 1951-52, 1954, 1956, 1957, 1958, 1967, 1971, 1976-77, 1980, 1981-82, 1984, 1986, 1987-88, 1989, 1991-93, 1994, 1996, 1998, 2000, 2001, 2002, 2004, 2006, 2010, 2011 (6 Nov) - March 2012, 2014-16 (summit lava lake)
Typical eruption style:
Large effusive eruptions (Hawaiian style)
Last earthquakes nearby
Latest satellite images

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Nyamuragira volcano news & eruption updates:

Nyamuragira volcano (DR Congo), update: eruption continues with active lava lake and lava flow from new NE vent

Friday Jan 27, 2012 15:55 PM | BY: T

The second NE vent of the eruption of Nyamuragira seen on 22 Jan 2012. The strong glow is from the active lava lake inside its central vent.
The second NE vent of the eruption of Nyamuragira seen on 22 Jan 2012. The strong glow is from the active lava lake inside its central vent.
NASA image of the lava flows from the eruption taken on 23 Jan 2012.
NASA image of the lava flows from the eruption taken on 23 Jan 2012.
During our recent expedition, we visited Nyamuragira's ongoing eruption during 22-25 January, and found that the eruption is still going on strongly, but somewhat less intense than during the first 1-2 weeks in January.
The second vent complex, which had started to form at the NE end of the eruptive fissure in late Dec or early Jan with about one week of constant fountaining, consists of probably 3 coalescent cones.
The middle and largest of them contained a crater filled with boiling lava, i.e. a small lava lake, which was strongly spattering every few seconds. The lava lake itself was not visible, but could be inferred from the strong glow and the hissing degassing noise of exploding gas bubbles that ejected liquid spatter bombs in all directions.
Some of the ejections reached up to about 200 m height and individual bombs reached the base of the cone.
A large recent and still hot lava flow field from this vent extends for many kilometers to the N as far as one could see. A lava flow exits the vent area in a tube, and is visible from a row of skylines. Several small breakouts formed secondary flows, usually short-lived in various locations in the field during our visit. A large breakout, probably corresponding to the current end of the lava tube, is seen about 2 km north of the cone, feeding a large lava flow, about 20 m wide, which snakes northward until it was difficult to see details in the distance. Burning forest could be seen to the NNE.
The older westerly vent complex that had been active in Nov-Dec was only degassing and there were large ring-fractures visible at the summit rim, probably caused by gravitational setting of its central parts.
The area north of the eruptive fissure shows impressive surface deformation by fissures along parallel faults creating a bizarre and complex pattern of small grabens and uplifted blocks, exposing the pre-eruptive strata of scoria and lava flow layers. These correspond to surface fracturing during the initial stage of near-surface dike injection.
A set of photos will be published here soon.
Previous news
Lava fountain from Nyamuragira during our tour on 8 Jan 2012
Monday, Jan 16, 2012
During expedition to Nyiragongo in Jan 2012, we undertook a side trip to see Nyamuragira still in eruption. Lorraine sent us the following impressions of impressive lava fountains from the new vent (taken 8 Jan). [more]
Monday, Jan 16, 2012
As our group who just came back reports (see last post below), the eruption of Nyamuragira seems to have intensified again. ... [more]
The VolcanoDiscovery group at the erupting flank cone of Nyamuragira volcano (8 Jan 2012)
Monday, Jan 16, 2012
The eruption at Nyamuragira volcano (DR Congo) continues with lava fountains 50-150 m high, ejections of incandescent bombs reaching up to 600 m, and the emission of an aa lava flow from the second (eastern) vent. ... [more]
NASA satellite image of the eruption area of Nyamuragira taken on 3 Jan 2012
Friday, Jan 06, 2012
To the delight of our expedition group heading towards Nyamuragira and Nyiragongo tomorrow, the lava flows from Nyamuragira are still active. NASA Earth Observatory has released spectacular images from 3 January showing the vast lava flows from Nyamuragira volcano's current eruption. ... [more]
The sulfur dioxide plumes from Nyiragongo volcano (b) and Nyamuragira volcano (t), both in eruption, on 23 Dec 2012 (NOAA)
Friday, Dec 23, 2011
The flank eruption of Nyamuragira volcano north of Goma city, DRCongo, which had started in early November, is still going on, although at much smaller intensity than during the first weeks. ... [more]

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