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COURTESY USGS
Hawaiian Volcano Observatory geologists use the laser rangefinder to measure the depth and volume of the lava lake within the Halemaumau Crater.
COURTESY USGS
A double rainbow forms over the Halemaumau Crater on Feb. 22 following an afternoon rain shower.
COURTESY USGS
A Hawaiian Volcano Observatory geologist sketches in his fieldbook to note the location of the laser rangefinder's measurements of the lava lake within the Halemaumau Crater. As of Feb. 22, field measurements indicated the lava in the western portion of the lake measured up to 712 feet deep.
COURTESY USGS
The lava activity is contained to the western portion of the Halemaumau Crater.
COURTES USGS
The lava lake within the Halemaumau Crater remains active and limited to the western portion of the lake.
COURTESY USGS
The main island, located just west of the lake's center, within Halemaumau Crater on Feb. 23.
COURTESY USGS
This telephone photo image shows the western fissure within the Halemaumau Crater at the summit of the Kilauea Volcano on Hawaii island on Feb. 24.
COURTESY USGS
A view of the western fissure feeding a lava lake within the Halemaumau Crater on Feb. 23.
COURTESY USGS
Hawaiian Volcano Observatory scientists observe the lava activity from the western rim of the Halemaumau Crater on Feb. 24.
COURTESY USGS
A new source of lava spatter appears on the flank of the active western fissure within Halemaumau Crater on Feb. 23.
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