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June 27th lava flow continues advancing northeast, with a portion entering a deep crack
This image shows a broad overview of activity at the front of the June 27th lava flow. Steaming in the lower-center portion of the photograph issues from a crack on the East Rift Zone. A portion of the lava flow has entered this crack, and the steaming extends out 1.4 km (0.9 miles) from the visible flow margin at the surface. Presumably, this steaming results from groundwater heated by lava deep within the crack. In the upper-right part of the image, a smoke plume originates from a more northerly lobe that is advancing through thick forest, triggering small brush fires. The vent for the June 27th lava flow is on Pu‘u ‘Ō‘ō, the cone in the upper left part of the photo.
This Quicktime movie shows the southern front of the June 27th lava flow from Pu‘u ‘Ō‘ō. Lava here has flowed into a deep crack on Kīlauea's East Rift Zone. The line of steam extending out from the visible flow margin at the surface is inferred to be caused by lava deep within the crack. This video also shows the lava stream beneath the flow surface, supplied by a lava tube, plunging into the crack.
Looking west, this photo shows the far end of the steaming that extends out beyond the visible flow margin at the surface.
A closer look at one of the steam sources. The crack from which steam is issuing is not visible through the thick vegetation.
A view looking east, near the front of the southern lobe that has entered the crack. Lava is inferred to be present in the deep crack beyond the visible margin of the flow, based on the line of steam sources as well as a vigorous cascade of lava seen in a skylight in the bottom portion of the photo.
A closer look at the lava stream plunging into the crack. The lava is fed from the vent on Pu‘u ‘Ō‘ō via a lava tube.
North of where lava is entering the crack, another lobe is pushing through thick forest, triggering small brush fires. The source of the smoke marks the front of this lobe, and Pu‘u ‘Ō‘ō can be seen just above this spot.
Pu‘u ‘Ō‘ō crater remains partly obscured by thick fume. The thermal camera today revealed that several lava ponds persist in their usual locations in the northeast and southeast portions of the crater floor.
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