the magma (is contained inside the volcano's crater and
does not cause a risk to people or property as it did in 2018,when
the magma flowed through a residential neighborhood,destro-
ying over 700 homes.
Residents have,however,been asked to limit outdoor activi-
ties in areas with high volcanic smog levels.Commonly known as
vog,it is a form of air pollution.While not deadly,it can be par
ticularly harmful to individuals with pre-existing respiratory
吸性的)conditions.
While Kilauea is now recognized as one of the world's youn-
gest and most active volcanoes,it was initially believed to be a
branch of a bigger volcano.It was only after researchers
discovered a magma pipe system extending over 60 km inside its