John Seach, Volcano Live

 Niihau Volcano - John Seach
Hawaii

21.9 N, 160.1W
summit elevation 391 m
Shield volcano

Niihau is privately owned and access is restricted.
Niihau volcano is notable for the dike swarm exposed on the east coast.

Eruptions of Niihau Volcano
400,000 years ago
 

Niihau Volcano
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