Photo and Video Chronology - Kīlauea - July 19, 2018

image related to volcanoes. See description

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Numerous rockfalls have occurred within Halema‘uma‘u and along Kīlauea's summit caldera walls today, stirring up existing ash deposits and rock dust, and creating sounds that, at times, could be heard from the northeast rim of the caldera.

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Geology field crews west of fissure 8 made observations at the vent. They captured both thermal and video imagery of 5-minute pulsations occurring in the near-vent channel. Tephra covers the landscape and the frame of a water-catchment-tank roof can be seen to the geologistʻs left (center of the photograph).

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Fissure 8 tephra cone. Volcanic gas rises from the vent and channel feeding the pyrocumulonimbus cloud above. Small pits in the tephra form where the material collapses into void spaces below.

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Morning overflight view to the west near the braided section of the fissure 8 lava channel. This morning, the channel level was lower than usual, but it is still being fed with vigorous outflow at the vent.

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An aerial view looking south, with the fissure 8 lava channel on the west side of Kapoho Crater, visible at left. As it nears the ocean, the channelized lava transitions to a broad ‘a‘ā flow that spreads laterally and toward the coast. The ocean entry plume is barely visible in the far distance (top).

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As of this morning, the southern margin of the fissure 8 ocean entry was about 500 m (0.3 mi) from the boat ramp at Isaac Hale Park.