Since then, it has been known to "emit plumes of gas and steam" and occasionally hurl out rock "bombs," which collectively are known as “strombolian eruptions”, NASA’s Earth Observatory notes.

and began with moderate eruptions, known as Strombolian eruptions, spewing from the Voragine crater. Violent eruptions, also called a paroxysm, ensued shortly before 5am local time (4am BST ...

Authorities say that Anak Krakatau has become increasingly active with what are known as Strombolian eruptions - short-lived, explosive blasts of lava - being emitted. BNPB has now imposed a 5km ...