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Sluggish lava flow spreads through kipuka within Royal Gardens subdivision. Lava flowing through vegetation frequently triggers methane explosions within a few tens of meters of flow margins. Learn more about methane explosions in this photo glossary of volcanic terms.
Leading edge of a pāhoehoe flow spreads across the rough surface of earlier flows about 2.5 km from the ocean. This flow is creeping along at the base of the Pūlama pali (background); between May 2 and 16, 2002, the flow advanced only 600 m.