Mount Yasur in Vanuatu is famous for near-continuous strombolian eruptions visible from its summit crater.
The volcano stands on Tanna Island, in the southwest Pacific. Strombolian eruptions are relatively small explosive bursts that eject glowing fragments of lava and volcanic gas from a vent. At Yasur, this activity has made the volcano one of the world’s most accessible places for observing active eruptions.
Yasur’s activity has been documented for centuries. Local traditions on Tanna give the volcano important cultural significance, and visitors have long been drawn to the glow and sound of its eruptions.
“Near-continuous” does not mean every eruption has exactly the same strength or timing. Activity varies, and authorities may restrict access when explosions, ash, or unstable crater edges create danger. Yasur should also not be confused with Vanuatu’s much larger volcanic island of Ambrym, which has a different volcanic system.