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5 April 2006

East Pond Vent and Petunia

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Left. Aerial view of East Pond Vent in crater of Pu`u `O`o. Rectangular wooden box near bottom edge of image is about 60 cm long. It is used to collect spatter thrown from the lava pond. 1117. Right. Petunia skylight along upper PKK lava tube. 1017.

7 April 2006

Water in a crack and lava in a tube

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Left. Aerial view of crack containing water on East Lae`apuki lava delta. Observers later today noted wave surge causing water to spout from the crack at high tide. The cracks alone testify to the instability of the delta, and the presence of water in them amplifies this conclusion. 0855. Right. North skylight in March 1 breakout at elevation of about 380 ft. In distance is plume from East Lae`apuki ocean entry. 0914.

14 April 2006

Pu`u `O`o and East Lae`apuki

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Left. Looking west across Pu`u `O`o's crater. Plume nearest camera comes from East Pond Vent. Next plume rises from spatter cones at January Vent. Wide fuming crater in back of January Vent is South Wall Complex. Weak plume at 2 o'clock from January Vent is Drainhole. Stronger plume at 2 o/clock from Drainhole is Beehive, where a spatter cone is visible. East Pond Vent, January Vent, and Drainhole are most often visible on the video. West Gap vents not shown. 1022. Right. Looking west across front of East Lae`apuki lava delta, showing largest crack on delta and recent, shiny breakouts of pahoehoe that issued from area of inflation between the crack and the sea. 1046.

28 April 2006

West Kamoamoa entry and lower Nova shatter ring

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Left. Aerial view of lava dribbling onto new black sand beach at West Kamoamoa. The dribbles are fed by the March 1 breakout. 0848. Right. Aerial view of Campout shatter ring (near top of image) and the new upper (right) and lower (left) Nova shatter rings. Nova iki shatter ring is off image to left. Both shatter rings are most prominent down the lava tube over which they are built. Lower Nova is on a branch of the PKK tube, and upper Nova, on the tube itself. 0824.

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Left. Actively moving and internally deforming edge of lower Nova shatter ring, creating a sound mostly related to thousands of broken rocks grinding against one another. 1028. Right. Lava oozing out of lower Nova shatter ring between broken blocks making up the ring. 1032.

Map of flows from Pu`u `O`o: April 2006

Map shows lava flows erupted during 1983-present activity of Pu`u `O`o and Kupaianaha (see large map).

Yellow, brown, and red colors depict lava flows erupted from October 2003 to April 14, 2006. Yellow indicates the currently active Kuhio (PKK) flow, active most of the time from March 20, 2004 to the present. The east and west arms of the PKK flow, once widely separated, began to merge and overlap on the coastal flat in March 2005. The east arm feeds both the East Lae`apuki ocean entry and the March 1 breakout. Activity on the west arm declined through summer 2005, and the last surface flow on that arm was observed in August 2005.

The brown shade denotes Martin Luther King (MLK ) flows, which first erupted in January 2004 from flank vents on the south slope of Pu`u `O`o. Since then, several more vents have formed in the MLK area and continue to erupt intermittently.

Red indicates the Mother's Day and Banana flows, last active in September 2004. Short flows from the crater, West Gap, and Puka Nui vents are also shown in red. None of these last three areas have produced any flows in 2006.