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Ol Doinyo Lengai volcano (Tanzania) - Smithsonian / USGS Weekly Volcanic Activity Report for 27 February-4 March 2008 (New Activity / Unrest)

Wed, 27 Feb 2008, 06:00
06:00 AM | BY: VN
According to Frederick Belton's Ol Doinyo Lengai website, a visitor reported a large plume accompanied by a "bang" during 26-27 February. The Toulouse VAAC reported that a pilot observed an ash plume that rose to an altitude of 10.7 km (35,000 ft) a.s.l. on 27 February.
Another possible ash plume rose to the same altitude on 28 February and drifted SW. Based on a SIGMET, pilot reports, and observations of satellite imagery, the VAAC reported that eruption plumes possibly containing ash rose to altitudes of 10.7-13.7 km (35,000-45,000 ft) a.s.l. during 29 February and 3-4 March.

Sources: Ol Doinyo Lengai (Fred Belton), Toulouse Volcanic Ash Advisory Centre (VAAC)
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From: Global Volcanism Program, 2008. Report on Ol Doinyo Lengai. In: Mayberry, G (ed.), Weekly Volcanic Activity Report 27 February-4 March 2008. Smithsonian Institution and US Geological Survey.

Previous news

Thu, 21 Feb 2008, 14:06

Ol Doinyo Lengai volcano (Tanzania): ash plume

The VAAC reported an ash plume from Ol Doinyo Lengai was rising to an altitude of 11.6 km at 15 February. ... Read all
Wed, 20 Feb 2008, 06:00

Ol Doinyo Lengai volcano (Tanzania) - Smithsonian / USGS Weekly Volcanic Activity Report for 20 February-26 February 2008 (Continuing Activity)

The Toulouse VAAC reported that a plume from Ol Doinyo Lengai was observed by pilots on 21 February and rose to an altitude of 18.3 km (60,000 ft) a.s.l. Based on a Significant Meteorological Information (SIGMET) report, an ash plume rose to an altitude of 14 km (46,000 ft) a.s.l. on 24 February. ... Read all
Show more
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.

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