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Webcam Notes

Sept 11, 2009: This camera was replaced with a higher-resolution model that is also low-light sensitive, producing a clearer view of activity on the floor of the Halema`uma`u cavity.  The floor of the cavity is about 290 m below the camera site.  This month, an active spattering hole on the floor of the cavity has been visible at night towards the right side of the image.  During the day, only thick fume is visible.

May 8, 2009: This camera was repositioned to look straight down into the vent cavity. The camera records color during the day (mostly fume) and light intensity at night. In early June, the best views of the circulating lava deep below the Halema`uma`u Crater floor were available around dusk and dawn.

Laser-ranging measurements in June, 2009, determined that the lava surface is about 290 m (950 ft) below the Halema`uma`u Crater rim (where this webcam is installed) and 205 m (670 ft) below the crater floor. Mahalo to Todd Ericson, University of Hawai`i at Manoa, for helping us with these measurements.

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