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The June 27th lava flow remains active, with no significant advancement of the flow front since Friday, Oct 17. The flow is active along the northern boundary of Kaohe Homesteads subdivision, with brush fires along the flow margins creating thick plumes of smoke. The flow front today was 1.1 km (0.7 miles) from the closest point on AP‘A‘ā St., as measured along a straight line. Although there has been little net advancement of the flow front over the past week, breakouts persist behind the flow front.
A comparison of a normal photograph of the flow front with a thermal image. Although the leading edge of the flow has advanced only a slight amount over the past week (about 100 m, or 110 yards), active portions behind the flow front have moved at a faster rate. Surface flows along the southern margin of the flow have advanced 575 m (630 yards) over the past week, and are now close to the leading edge of the flow. The thermal image shows that other breakouts are scattered behind the flow front.
Upslope from the flow front, several breakouts are active around the crack system. These surface flows (marked by the smoke plumes) have filled in a ground crack that is immediately north of another crack. The southern crack, marked by the white dotted line, is the main crack that lava is traveling along below the surface. The lava is moving deep within this crack over a span of about 1.5 km (nearly one mile), before it surfaces at a pad of lava visible at the bottom of the photograph.
Pu‘u ‘Ō‘ō Crater remains filled with thick fume, but recent views with the naked eye and thermal camera confirm that little change has occurred in the crater over recent weeks. The fume masks a handful of small incandescent openings on the crater floor.
A collapse of rock from the wall of Halema‘uma‘u Crater occurred yesterday (Sunday, October 19) around 1:15 am, with rocks impacting the lake and triggering an explosion of spatter. The scar left by this collapse is visible as the light-colored area marked in the photo. The spatter fell around the Halema‘uma‘u Overlook, which is within an area closed to the public due to hazards like this. For scale, the lava lake is about 160 m (175 yards) wide from this angle.
Preview image for video: shows the small explosion of spatter that occurred at Halema‘uma‘u on Sunday, October 19. Spatter landed around the Halema‘uma‘u Overlook (closed to the public).
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