Hualalai volcano eruptions

shield volcano 2523 m / 8,277 ft
Big Island (Hawai'i), 19.69°N / -155.87°W
Eruption list: 1801


1929 earthquake swarm

A seismic swarm occurred in 1929 under Hualalai volcano. There were several thousand earthquakes, some of which were felt as far as Honolulu. It is not known but likely that the swarm was caused by magma movements under the volcano.

1800-1801 eruption

The last (and only) historical eruption of Hualalai volcano was witnessed by one of Captain Cook's expedition crew members who had remained on the island. The eruption occurred from 2 fissure vents which fed 2 large lava flows to the west and northwest.
The Kaupulehu lava flow started high on the volcano at an altitude of between 1650-1800 m and reached the sea in 2 lobes between Kona Village Resort and Kiholo Bay, and beneath Kona International Airport. It covered Hawaiian villages at the shore and reached 16 km length.
A second lava flow was erupted from a vent at 500 m and built the Puhiopele cinder cone visible from the highway. This flow reached 6 km length also reached the sea. 3 other very small flows were erupted from vents located between the 2 main vents.
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