Ol Doinyo Lengai, Tanzania

According to Frederick Belton’s Ol Doinyo Lengai website, a visitor observed an ash plume during an overflight on 8 April.
Source: Frederick Belton’s Ol Doinyo Lengai website

Ol Doinyo Lengai, Tanzania

Based on a pilot observation, the Toulouse VAAC reported that an ash plume rose to an altitude of 12.2 km (40,000 ft) a.s.l. on 13 March. The plume was not confirmed using satellite imagery. A plume at an altitude of 13.7 km (45,000 ft) a.s.l. was observed on satellite imagery on 16 March.
Source: Toulouse Volcanic [...]

Ol Doinyo Lengai, Tanzania

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 [...]

Ol Doinyo Lengai, Tanzania

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.
Source: Toulouse Volcanic [...]

Ol Doinyo Lengai, Tanzania

The Toulouse VAAC reported that an ash plume from Ol Doinyo Lengai was observed by pilots on 15 February and rose to an altitude of 11.6 km (38,000 ft) a.s.l.
Source: Toulouse Volcanic Ash Advisory Center (VAAC) - “Report provided courtesy of the Smithsonian’s Global Volcanism Program and the US Geological Survey’s Volcano Hazards Program.”

Ol Doinyo Lengai, Tanzania

According to Frederick Belton’s Ol Doinyo Lengai website, a local camp manager reported to a visitor, that several large explosive eruptions accompanied by “bangs” on 1 February. The manager noted that ash plumes were originating from a location in the crater that was further N than previous locations. The visitor saw ash plumes on 3 [...]

Ol Doinyo Lengai, Tanzania

The Toulouse VAAC reported that an ash plume from Ol Doinyo Lengai was observed by visiting scientists on 29 December and rose to an unreported altitude.
Source: Toulouse Volcanic Ash Advisory Center (VAAC) - “Report provided courtesy of the Smithsonian’s Global Volcanism Program and the US Geological Survey’s Volcano Hazards Program.”

Ol Doinyo Lengai, Tanzania

The Toulouse VAAC reported that an ash plume from Ol Doinyo Lengai was observed by visiting scientists on 20 December and rose to an unreported altitude.
Source: Toulouse Volcanic Ash Advisory Center (VAAC) - “Reports provided courtesy of the Smithsonian’s Global Volcanism Program and the US Geological Survey’s Volcano Hazards Program.”