Photos of the lead up to and eruption of the 1919–1920 Maunaiki shield in the Southwest Rift Zone of Kīlauea

Photos of the lead up to and eruption of the 1919–1920 Maunaiki shield in the Southwest Rift Zone of Kīlauea. The lefthand photo shows steaming crack from the dike intrusion several days before lava reached the surface. Molten lava was even seen at the bottom of some of these cracks. Photo by Thomas Jaggar on December 22, 1919 (from the HVO Record Book). The righthand photo shows lava flowing in a channel from its source near present-day Maunaiki. Photo by Thomas Jaggar on January 14, 1920 (from the HVO Record Book).