Kealakomo Overlook, Hawaii Volcanoes National Park
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Tags: Burgess Donald Donnie drive eruption Frank Hawaii lava MacGowan National Park Scenic Volcanoes www.tourguidehawaii.com
At Kealakomo, the road breaks over the edge of the Holei Pali. The upper portion of Kilauea is separated from the coastal plains by a series of fault escarpments, where the lower coast has moved down relative to the rest of the mountain. Sometimes these movements are catastrophic and enormous chunks of land slide of into the sea, such as at Kealakekua Bay in Kona and on the Hilina Pali, here in the Park.In 1975 a 7.2 magnitude earthquake heralded the movement of the lower fault block, dropping it by as much as ten feet downward and sliding it seaward by as much as twenty feet. This movement triggered a local tsunami which swept a group of a few dozen young campers who had horse-packed into the abandoned village of Halape thousands of feet inland; fortunately, only two men a some horses were drowned, the others miraculously survived.The Kealakomo Overlook has a covered pavilion and picnic tables, incredible views, a generally cool breeze but no services available.Video written and produced by Donald B. MacGowan; videography by Frank Burgess and Donald MacGowan; Narrated by Frank Burgess, Original music written and performed by Donnie MacGowan. For more information about traveling the Big Island in general and Island Activities in particular, visit www.tourguidehawaii.com, www.tourguidehawaii.blogspot.com and www.lovingthebigisland.wordpress.com.
Holei Sea Arch, Hawaii Volcanoes National Park
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Tags: arch Burgess Donald Donnie Frank geoscience Hawaii hike MacGowan National Park sea Volcanoes www.tourguidehawaii.com
Along the sea cliffs that surround the Island of Hawaii, arches and sea stacks are formed where wild waves and tides exploit minute differences in the hardness of various layers of lava flow and airfall material, making strange, gravity-defying natural sculptures. Although common, there are few places where these arches and stacks are easily viewable--one such place is the Holei Sea Arch, which is currently directly seaward of the end of the Chain of Craters Road.At Holei Sea Arch the cliffs are 80 to 90 feet high, but many waves still spray and wash over them, so use caution when approaching and photographing the arch. Notice along the lower cliffs in the area toward the eruption viewing platform, the several large boulders which have been dropped by giant, angry waves crashing over the sea cliffs. Imagine the power of a wave that would have enough force to deposit a several-ton boulder on a cliff 30 feet about the surface of the ocean.Video written and produced by Donald B. MacGowan; videography by Frank Burgess and Donald MacGowan; Narrated by Frank Burgess, Original music written and performed by Donnie MacGowan. For more information about traveling the Big Island in general and Island Activities in particular, visit www.tourguidehawaii.com, www.tourguidehawaii.blogspot.com and www.lovingthebigisland.wordpress.com.
Holei Pali, Hawaii Volcanoes National Park
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From the Holei Pali turnout look back up the pali at the cascading braids of lava that festoon the escarpment. When lava first pours over a steep cliff like this, the increase in speed of flow concomitant with increased flow turbulence, causes the lava to cool rapidly and degas. Thus, the initial flows down the pali are a'a flows. As the lava feeder tube system builds toward and over the cliff, fresher lava insulated in the tube longer, partially buries these initial a'a flows in less viscous pahoehoe. This process is seen clearly on the face of Holei Pali, where lavas that erupted from Mauna Ulu between 1969 and 1974 poured over the cliff.Look at the emerald patches of forest within the intertwined flows. These kipukas are all that is left of the original, dense Naulu tropical forest.Video written and produced by Donald B. MacGowan; videography by Frank Burgess and Donald MacGowan; Narrated by Frank Burgess, Original music written and performed by Donnie MacGowan. For more information about traveling the Big Island in general and Island Activities in particular, visit www.tourguidehawaii.com, www.tourguidehawaii.blogspot.com and www.lovingthebigisland.wordpress.com.
Holei Lava Tube Hike, Hawaii Volcanoes National Park
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Beyond the Holei Pali turn out and just past Mile Marker 15, in the southeast side of the road, a good-sized lava tube may be seen in the road cut; there is a parking turnout just past the tube entrance. With care and a bike helmet, the tube can be explored for nearly 30 meters, until breakdown pinches it out. This tube has numerous skylights, so a flashlight is not absolutely necessary, but it is recommended. Unless recent breakdown has now blocked it, with wriggling, skinny or determined people can make it to a small portal with a view into the large fern grotto; this is your turn-around spot. Please do not force your way into the grotto as it will kill the plants and destroy the miniature ecosystem that has grasped a wee toehold here. Besides which, the grotto is populated by numerous wasp nests. A walk to the top of the hill which overlies the tube entrance brings one to the skylights along the cave, and wonderful glimpses down into the fern paradise that grows within. Remember that lava tube skylights are collapse features and do not approach the edges too closely; they are unstable and unsafe.Video written and produced by Donald B. MacGowan; videography by Frank Burgess and Donald MacGowan; Narrated by Frank Burgess, Original music written and performed by Donnie MacGowan. For more information about traveling the Big Island in general and Island Activities in particular, visit www.tourguidehawaii.com, www.tourguidehawaii.blogspot.com and www.lovingthebigisland.wordpress.com.
Halona Kahakai, Hawaii Volcanoes National Park
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The pullout at Halona Kahakai is at very near the crest of the Holei Pali fault escarpment. In Hawaiian, "Pali" means cliff. The viscosity of flowing oceanic tholeiite basalt, the lava that built Kilauea, is such that when it cools, rarely do slopes exceed a 6% grade. Any landform that is much steeper, such as the Holei Pali as seen from Halona Kahakai and the Hilina Pali directly north, generally has to have formed by faulting or erosion. In this case, Holei Pali results from what are called "normal faults". All of the lava plain spread before you down below the pali has simply broken off the main slope and dropped. There is an amazing amount of throw on these faults, in places, as much as 1400 feet. Although appearing "volcano tough" to the casual observer, the Islands of Hawaii are terribly, terribly fragile constructions and, geologically speaking, don't last very long.Stop and take a moment to look down the pali. Generally, the explosion cloud from where the lava is entering the ocean is visible south east from here. Look at the intertwining lava flows marching across the plain below you and imagine what it must have been like to be here, only a few decades ago, when the lava was coursing down this cliff and through the now largely-destroyed Naulu Forest. Video written and produced by Donald B. MacGowan; videography by Frank Burgess and Donald MacGowan; Narrated by Frank Burgess, Original music written and performed by Donnie MacGowan. For more information about traveling the Big Island in general and Island Activities in particular, visit www.tourguidehawaii.com, www.tourguidehawaii.blogspot.com and www.lovingthebigisland.wordpress.com.
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