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1 April 2003
Lava trumps road
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Left. No Parking is a given now that
lava is entering turnaround area at very end of Chain of Craters Road.
0602. Right. Asphalt burns near western margin of Kohola flow. In
background is coconut grove, once but not now endangered by flow. 0611. |
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Left. Detail of lava covering asphalt
near west edge of Kohola flow. 0620. Right. Smoke from burning
asphalt as seen from current barriers on roadway. 0623 |
2 April 2003
Inflated flow on road
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Left. View of same No Parking sign as
that shown in first image of April 1. Lava flow now completely covers the
old turnaround. Note how the flow has inflated, a total of about 2 m in
past 24 hours. 0605. Right. Another view of inflated flow, taken
from same vantage as 0610 photo on March 31. 0607. |
4 April 2003
Rain on the flow field
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Left. Lava enters water off right
(east) and left (west) parts of West Highcastle lava delta. Western entry
visible only in large view. Inclement weather accounts for poor visibility.
0913. Right. Ghostly figures at work on VLF traverse across lava
tube about 70 m downstream from Son of Cookie Monster skylight, near start
of Mother's Day flow. VLF traverse is used to calculate flux of
lava in tube. Steam rises from rain falling on hot flow. 0947. |
6 April 2003
Pleasant Sunday morning between rain showers
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Left. Glow hangs over surface lava on
Pulama pali. Note forest lit by glow high on pali. 0516. Right. Gush
of lava from small breakout 200 m seaward of huge ahu (see last image
today). Width of view, about 1 m. 0541. |
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Left. Toe of lava about 1 m wide is
about to pick up flake of crust (left) from ground surface. 0553:14. Right.
Twelve seconds later, flake is now riding up as front of toe inflates above
moving lava. Exactly same setup as in image to left. 0553:26. |
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Left. Gush of lava moving down steep
slope and slowing where it enters shallow depression. Cooling crust
develops wrinkles where the lava slows. 0556. Right. Ahu 2 m high,
with recently emplaced flow lapping at its base. Note incandescent active
toe in distance right of ahu. Kipuka containing ahu may be overridden at
any time, though ahu will stand high until topped or broken during
inflation. 0608. |
8 April 2003
Breakouts in the Kohola flow
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Left. Rather wide breakout coming from
inflating tumulus (right) and moving slowly toward photographer. Note deep,
widely spaced corrugations and wrinkles in crust on decelerating flow.
0555. Right. Slow breakout oozing from same location as that in left
image but 11 minutes later and with different photographer in action. 0606. |
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Left. Inflation of interior of flow is
lifting edge of flow upward off ground surface, exposing incandescent
interior. Old ground surface is in foreground and projects beneath
incandescence. Width of view, about 2 m. Image taken with flash, 0538. Right.
Here comes the sun over breakout shown in above right. 0612. |
11 April 2003
Lava and the ahu
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Left. Ahu, 2.7 m high, stands at
seaward end of kipuka, seeming to guard against advancing lava. Note brown,
dead grass and brush between ahu and lava, and burned remnants of two
former trees lying on still-hot flow left of ahu. This ahu was on a high
tumulus near western margin of Mother's Day flow before Kohola arm of that
flow moved around it and inflated. 0555. Right. Lava moves across
kipuka at front of advancing breakout. 0606. |
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Left. Lava at front of advancing
breakout slouches down to base of flow front. Width of view, about 1.5 m.
0558. Right. In same area, lava finds its way into crack in surface
of kipuka. Width of view, 1 m. 0600. |
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Left. Front of breakout nears
vegetation. Photo taken from near ahu. 0610. Right. West side of
breakout front, just meeting dead vegetation. 0613. |
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Left. Lava has covered most of
remaining kipuka and is advancing toward 2.7-m-high ahu. 0616. Right.
Nine minutes later and nearer ahu, lava breaks out of inflating flow along
long crack in crust. 0625. |
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Left. Lava kisses upslope side of ahu.
View looks west at 0628. Right. View looks east across front of
breakout to ahu. Red color on side of ahu (best seen in large view) is not
incandescence but rather flower left as offering for Pele. No more than 5
minutes later, the last remaining surface of kipuka (lower left) was
covered. 0639. |
12 April 2003
Inflated lava and the ahu: what a difference a day makes
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Left. Looking west at ahu that
yesterday morning stood 2.7 m above its surroundings. Inflation of
breakout has virtually leveled the playing field, leaving only top of ahu
projecting above ground level. 0622. Right. Same view, but looking
east, from about same location as was last image of yesterday. 0624. |
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Left. Moat separates ahu from inflated
flow, allowing wall of ahu to still be seen. Note red flower (large view)
is preserved; see yesterday's last image. 0625. Right. Another view
of ahu and moat surrounding it. Remains of past offerings, and stick of
unknown significance, on top of ahu, once 2.7 m above ground. 0626. |
11 April 2003
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April 11, 2003; 0606. Lava moving along east edge
of breakout near ahu. Width of view, about 1 m.
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April 11, 2003; 0608. Lava at front of breakout
moves into and burns dead shrubbery. Width of view, about 2 m.
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Map of flows from Pu`u `O`o: 21 March 2003

Map shows lava flows erupted during 1983-present activity of Pu`u `O`o
and Kupaianaha (see
large map). Red colors, both dark and light, denote Mother's Day flow, which
began erupting on May 12, 2002. Different shades of red indicate different
stages of activity of Mother's Day flow. These different stages are still
considered part of Mother's Day flow, because they all come from same tube
system near base of Pu`u `O`o.
Most recent--and ongoing--activity has produced two slender,
dark red flows, one along western edge of flow field and one slightly farther
east. Kohola flow, along western margin, entered sea late on Valentine's Day to
form Kohola ocean entry. Lava is slowly widening Kohola flow eastward on March
21. Visitors now can drive to Holei Sea Arch, 1.1 km from Kohola flow, and walk
to see flow.
Other dark red flow is also active part of Mother's Day flow. Fed by
breakouts from lava tube in main Mother's Day flow, it had advanced along
eastern margin of main flow and down Pulama pali to about 800-foot elevation by
March 21. This flow is visible during darkness from Chain of Craters Road.
Lava from main Mother's Day flow (light red) reached sea at West Highcastle early on July 19, at Wilipe`a early on
July 21, and at Highcastle on August 8. From near southwest base of Pu`u `O`o, Mother's Day flow passes along west side of flow field and into forest, where it started large wildfire in May that continued into late July. By June 10,
Mother's Day flow had reached base
of Paliuli, the steep slope and cliff below Pulama pali and just above coastal flat. At base of Paliuli, Mother's Day flow abruptly spread
laterally in series of small budding flows to cover an area nearly 2 km
wide, gradually moving seaward until West Highcastle and Wilipe`a lobes
finally reached water and started building lava deltas. Activity at West
Highcastle ended in early August, but entry began soon thereafter at Highcastle,
eventually burying tiny kipuka of Chain of Craters Road. Wilipe`a entry
died away slowly and had ended by mid-August. Highcastle and neighboring
Highcastle Stairs entries ended on about August 23. For a time there were no
active entries. Then Wilipe`a was reactivated on September 3 but stopped in
December. West Highcastle likewise renewed activity on September
16-17, died away during night of September 18-19, and returned soon
thereafter to continue through March 21. East arm of Mother's Day flow
branched from Highcastle lobe in late October and sent three fingers into ocean
at Highcastle on November 15, West Lae`apuki on November 19, and Lae`apuki on
November 20. Lae`apuki entries had stopped by November 29. If this sounds
like soap opera, the truth is even more confusing than the simplified version
of activity given here.
Eruption-viewing opportunities change constantly, refer to the HVO home page for
current information. Those readers planning a visit to Kilauea or Mauna Loa volcanoes can get much useful
information from Hawai`i Volcanoes National Park.
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