Hawaiian Volcano Observatory

Age and Distribution of Lava Flows
in Kilauea Caldera

Simplified geologic map of Kilauea caldera

Simplified geologic map of Kilauea Caldera showing the ages and distribution of recent lava flows (months and years indicated on flows), and locations of Halema`uma`u, Puu Pua`i (cinder and spatter cone erupted in 1959), Keanakako`i Crater, and faults that outline the caldera.

The entire floor of the caldera is covered either by lava flows erupted since 1885 or the Keanakako`i Ash Member which erupted most recently in A.D. 1790 (not shown on map).

Photo tour of Kilauea Caldera

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Updated: 24 May 2000