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Photo and Video Chronology - Kīlauea - September 30, 2016

By Kīlauea September 30, 2016

Kamokuna ocean entry continues

Kamokuna ocean entry continues...
Lava continues to flow into the ocean at Kamokuna, however this afternoon there was no noticeable plume at the western delta (upper left). The eastern delta (center) is larger, with lava continuing to enter the ocean. A relatively small area of surface breakouts is active on the coastal plain about 1.5 km (0.9 miles) upslope from the ocean entry.

 

Left: Photo of the eastern delta showing the cracks parallel to the...
Left: Photo of the eastern delta showing the cracks parallel to the sea cliff. The delta is about 350-400 m (1150-1300 ft) wide and it extends about 150 m (490 ft) out from the old sea cliff. Deltas are unstable, and prone to collapse, because they are built on unconsolidated lava fragments. Right: Thermal image of the eastern delta showing heat in the cracks, as well as plumes of hot water (up to 70 degrees Celsius, or 160 degrees Fahrenheit in this image) extending out from the entry points.
A large skylight was open today on the 61g upper flow field. This m...
A large skylight was open today on the 61g upper flow field. This morning, only the narrow skylight on the left was open. Hours later the larger area collapsed and exposed more of the swiftly moving lava stream in the tube. In this image, the skylight is about 5 m or 16 feet wide.
Another view of the larger skylight, about 5 m or 16 ft across, sho...
Another view of the larger skylight, about 5 m or 16 ft across, showing the thin roof on the tube in this area. This image is a reminder of the hazard of approaching skylights.

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