Kīlauea Iki is a pit crater which is next to the main summit caldera of Kīlauea.
In August 1959, a swarm of deep earthquakes was detected by the Hawaiian Volcano Observatory. In October it was indicated by seismographs that Kilauea summit was filling with magma. This formed a new lava shield, named Pu'u Pua'i (gushing hill).
Lava fountain
Some of the most impressive parts of...