1995: Photos and video by Pierre Vetsch
Overview from the summit on the active North crater. On the left: scarp of the Eastern Rift Valley; in the background the sodic lake Natron (18.12.95).
General view from inside the crater with activity of the cinder cone just before flank collapse (see also photo below; 17.12.95).
Filming of very thin (few centimeters) carbonatitic lava flows issued from one of the hornitos (17.12.95).
Active carbonatitic lava channel, flow from top to bottom of picture, where the channel is almost closed forming a «micro» lava tube (17.12.95).
Spattering from a small hornito, about 2 meters tall (17.12.95).
Strombolian activity inside the large cinder cone just after flank collapse (height about 12-15 meters).
Spectacular bubbling from a carbonatitic hornito (17.12.95).
Very rapid, dangerous lava flow (approx. 1 m thick), transporting large blocks. Sequence approx. 5 mins, taken from E rim.
«Volcanic activity of Ol Doinyo Lengai in December 1995» is available as a videotape (VHS PAL or VHS NTSC) by contacting:
Pierre Vetsch, email@example.com
Societé de Volcanologie Genève, firstname.lastname@example.org
B.P.298, CH-1225 CHENE-BOURG,
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