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Ol Doinyo Lengai volcano (Tanzania) - Smithsonian / USGS Weekly Volcanic Activity Report for 5 April-11 April 2006 (New Activity / Unrest)

Wed, 5 Apr 2006, 06:00
06:00 AM | BY: VN
On Frederick Belton's Ol Doinyo Lengai website, information was compiled about the activity that began around 30 March. According to the site, a bush pilot reported that a lava flow and lava fountains were emitted on the 30th, but there were no ash emissions. A steam plume was visible that may have been mistakenly described as ash in news reports.
According to an observer in Tanzania, on 4 April a very large lava flow was visible on the volcano's W flank. The lava flow was over 1 km long and had traveled down the flank of the volcano and into a gorge. There were no signs that the flow was still hot.
Photographs revealed that another lava flow may have traveled W of the volcano on 3 or 4 April. On 7 or 8 April, active lava was contained within a new lava lake. Contrary to news reports, a local tour operator stated that there were no evacuations from villages near the volcano.

Source: Ol Doinyo Lengai (Fred Belton)
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From: Global Volcanism Program, 2006. Report on Ol Doinyo Lengai. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 5 April-11 April 2006. Smithsonian Institution and US Geological Survey.

Previous news

Sun, 2 Apr 2006, 17:08

Ol Doinyo Lengai volcano (Tanzania), eruption news: possible major eruption

There has been a possibly major summit eruption at Lengai volcano on 31st of March 2006, involving significant ash fall and lava flows from the summit, according to the following news report, posted on IPPMedia: ... Read all
Wed, 29 Mar 2006, 06:00

Ol Doinyo Lengai volcano (Tanzania) - Smithsonian / USGS Weekly Volcanic Activity Report for 29 March-4 April 2006 (New Activity / Unrest)

According to news reports, an eruption began at Ol Doinyo Lengai around 30 March, forcing villagers living near the volcano to evacuate. An article stated that, "Eyewitnesses said they heard a rumbling noise before the volcano began discharging ash and lava, prompting local residents to flee the area in their hundreds. District officials estimated that about 3,000 people from Nayobi, Magadini, Engaruka, Malambo, Ngaresero, Gelai Bomba, and Kitumbeine villages left their homes within a few hours of the eruption..." There were reports of polluted water sources and destroyed vegetation, but no reports of deaths or injuries. ... Read all
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Satellite image of Ol Doinyo Lengai volcano by (c) Google Earth View
Satellite image of Ol Doinyo Lengai volcano by (c) Google Earth View
Stratovolcano 2890 m
Tanzania, -2.75°S / 35.9°E
Current status: minor activity or eruption warning (3 out of 5) Ol Doinyo Lengai volcano eruptions:
1550 BC (?), 50 AD (?), 700 AD (?), 1350 (?), 1880, 1882, 1904, 1907, 1914, 1916, 1921, 1926, 1940, 1954, 1955, 1958, 1960, 1967, 1983, 1994, 2006, 2007-ongoing
Typical eruption style
Explosive activity. In addition, at least during the past +-30 years near-continuous effusion and mildly explosive eruption of natrocarbonatite lava from vents inside the crater, sometimes overflowing over the rim, is taking place.

Ol Doinyo Lengai volcano tours

Crater Highlands & Rift Valley (Tanzania)
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10-day trekking and wildlife safari to the Ngorongoro Highlands and the Rift Valley, Tanzania
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Price $ 4100
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