Global Volcanism Program | Image GVP-03602

Pu’u Olai is a scoria cone on the west flank of Haleakalā that formed during the late-stage Hana Series eruptions, which produced a large number of scoria cones and lava flows along the SW and E rift zones. Photo by Lee Siebert, 1987 (Smithsonian Institution).

Pu’u Olai is a scoria cone on the west flank of Haleakalā that formed during the late-stage Hana Series eruptions, which produced a large number of scoria cones and lava flows along the SW and E rift zones.

Photo by Lee Siebert, 1987 (Smithsonian Institution).

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Keywords: scoria cone

Haleakala