Prior to 1801, when did Hualalai last erupt?

rocky Landon

Dear Landon,

The next youngest major eruption was at Luamakami, a vent about half a mile (1 km) northwest of the summit. The eruption was 300 years ago. Flows moved to both the northeast and southwest, reaching half-way down the flanks. One vent collapsed during a phreatic eruption.

Steve Mattox, University of North Dakota

Source of Information:
Moore, R.B., Clague, D.A., Rubin, M., and Bohrson, W.A., 1987, Hualalai volcano: a preliminary summary of geologic, petrologic, and geophysical data: in Decker, R.W., Wright, T.L., and Stauffer, P.H., (eds.), Volcanism in Hawaii, v. 1, p. 571-585. 

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