1986 November
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Lava spills over the lip of the Kupaianaha lava pond.
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1986 December
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Lava flow advances across an intersection in the Kalapana.
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1987 October
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Low profile of the Kupaianaha shield.
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1988 February
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Steam explosions often occur when lava enters the sea.
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1988 May
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Acidic steam plumes result from the interaction of seawater and hot lava.
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1988 November and
1990 August
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Top: Slow-moving pahoehoe lava develops crust several centimeters
thick. Bottom: `A`a lava flow advances over older pahoehoe flow.
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1989 June
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Glowing skylight shows lava traveling through a tube from Kupaianaha to the sea (steam plume in
distance).
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1989 June
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Remnants of the Waha`ula Visitor Center, Hawai`i Volcanoes National Park.
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1990 February
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Lava flows originating from a skylight pour down Pulama pali in narrow
channels.
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1990 April
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House burns in Kalapana as thin pahoehoe flows neared and then reached it.
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1986 October and 1990
August
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A deep crater formed atop Pu`u `O`o as the summit of the cone
collapsed.
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