Lava tubes associated with Kīlauea Iki are responsible for the vast ʻAilāʻau eruption , carbon 14 dated from circa 1445 and erupting continuously for approximately 50 years , which blanketed much of what is now Puna District with 5.2 ± 0.8 km3 of basalt lava
ʻAilāʻau eruption
ʻAilāʻau eruption
Kīlauea Iki