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Photo and Video Chronology - Kīlauea - August 11, 2019

By Kīlauea August 11, 2019

Water at bottom of Halema‘uma‘u continues to rise

 

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The ponded water at the bottom of Halema‘uma‘u has continued to slowly rise. This wide view shows much of Halema‘uma‘u and the fumaroles on the upper walls of the pit. USGS photo by M. Patrick, 08-11-2019.
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A close up of the ponded water in Halema‘uma‘u. Laser rangefinder measurements on Sunday indicated that the east-west length of the pond (top to bottom in image) was approximately 67 m (220 ft). USGS photo by M. Patrick, 08-11-2019.
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This comparison between Saturday, August 10, and Sunday, August 11, shows a slight rise in the water level. The day-to-day rise in water level is smaller than the precision of our laser rangefinder (about 1 meter) at this long distance, so photo comparisons and close inspection of the water level against key rocks is the best tool to see these small changes. Compare the water level against the small rock on the shoreline marked by the arrow, and note how it has risen. USGS photos by M. Patrick.

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