Yasur volcano erupting. View of an eruption of the Yasur volcano on Tanna Island, Vanuatu. This type of eruption is known as a Strombolian eruption, after the volcano Stromboli in Italy. Strombolian eruptions are characterized by the frequent ejection of lava clots and fountains without any particular violence. The orange streaks here are the trails left by solid matter thrown from the crater. Yasur is a stratovolcano which stands 361 meters high, and it has been erupting constantly since before 1774, when records began.