 Climbing towards the summit in 1973 During a short rest on a nocturnal ascent of Etna a small strombolian eruption takes place. The scene is illuminated by the full moon. Air temperature around minus 15 degrees centigrade. |  Etna April 1973 Left: small scoria which was ejected minutes ago.. .(diameter about 15 cm); right image: view towards the steaming Northeast crater. |  Fresh ejecta, April 1973, near the Bocca Nuova. The piece of ejecta in the right picture actually flew over our heads and landed in the snow behind us (not a particularly pleasant experience!); diameter about 40 cm. |
 Strombolian activity in April 1973 at Bocca Nuova. |  In the summit region in August 1986 We are standing near Bocca Nuova. The white material is not snow, but a mineral deposit! |  Storm on Etna! August 1986, descending from the summit region. In the picture is Pamela Alean. |