Surging cascade on steep cliff face. Note that surges override part of cascade next to cliff, which is slowed by friction with the cliff.
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Image of the Week
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Surging cascade on steep cliff face
Surging cascade on steep cliff face. Note that surges override part of cascade next to cliff, which is slowed by friction with the cliff.
Lava in channeled breakout
Lava in channeled breakout from nearby tumulus flowing rapidly down steep slope before spreading out on flat ground. Same channel as shown in last two stills for today. Width of channel, about 2 m.
Lava in channeled breakout from nearby tumulus flowing rapidly down steep slope before spreading out on flat ground. Same channel as shown in last two stills for today. Width of channel, about 2 m.
Gushing start of lava cascade
Gushing start of cascade shown in image taken at 0553. Lava comes from crusted flow to right. Width of flowing lava, about 1 m.
Gushing start of cascade shown in image taken at 0553. Lava comes from crusted flow to right. Width of flowing lava, about 1 m.
Lava flow
Downstream from first clip about 2 m. Same as shown in image taken at 0554.
Downstream from first clip about 2 m. Same as shown in image taken at 0554.
Two strands of flowing lava come together
Two strands of flowing lava come together to form single cascade on upper part of old sea cliff at Highcastle. Still taken at 0546 shows same scene.
Two strands of flowing lava come together to form single cascade on upper part of old sea cliff at Highcastle. Still taken at 0546 shows same scene.
Rapidly moving and changing breakout in Highcastle lobe
Rapidly moving and changing breakout in Highcastle lobe. Still taken today at 0603 is of this breakout. Width of view, about 2.5 m.
Rapidly moving and changing breakout in Highcastle lobe. Still taken today at 0603 is of this breakout. Width of view, about 2.5 m.
Rapidly moving and changing breakout in Highcastle lobe
Continuation and further development of rapidly moving and changing breakout in Highcastle lobe. Still taken today at 0603 is of this breakout. Width of view, about 2.5 m.
Continuation and further development of rapidly moving and changing breakout in Highcastle lobe. Still taken today at 0603 is of this breakout. Width of view, about 2.5 m.
Spreading and advancing breakout
Spreading and advancing breakout, the same as that shown in 0545 still image for today. Width of view, about 2 m.
Spreading and advancing breakout, the same as that shown in 0545 still image for today. Width of view, about 2 m.
Spreading and advancing breakout
Closer view of spreading and advancing breakout shown above. Width of view, about 0.6 m.
Closer view of spreading and advancing breakout shown above. Width of view, about 0.6 m.
Two converging toes
Two converging toes, the same as those shown in last two still images for today. Width of view, about 1.5 m.
Two converging toes, the same as those shown in last two still images for today. Width of view, about 1.5 m.
PubTalk 5/2003 — The National Map—Coming to Your Neighborhood!
Integrating and Sharing Geographic Information in the Public Domain
By Ken Osborn, Cartographer
Integrating and Sharing Geographic Information in the Public Domain
By Ken Osborn, Cartographer
PubTalk 4/2003 — Gaia's Breath
Methane and the Future of Natural Gas
By Keith A. Kvenvolden, Geochemist
Methane and the Future of Natural Gas
By Keith A. Kvenvolden, Geochemist
Lava moving rapidly at front of breakout
Lava moving rapidly at front of breakout 880 m north of coconut grove. Width of view, about 1.5 m.
Lava moving rapidly at front of breakout 880 m north of coconut grove. Width of view, about 1.5 m.
Lava at front of breakout
Lava at front of breakout moves into and burns dead shrubbery. Width of view, about 2 m.
Lava at front of breakout moves into and burns dead shrubbery. Width of view, about 2 m.
Lava moving along east edge of breakout near ahu
Lava moving along east edge of breakout near ahu. Width of view, about 1 m.
Lava moving along east edge of breakout near ahu. Width of view, about 1 m.
Lava moves rapidly from under crust
Lava moves rapidly from under crust of inflating flow and finally disappears under overhang. Length of flowing toe, about 1 m.
Lava moves rapidly from under crust of inflating flow and finally disappears under overhang. Length of flowing toe, about 1 m.
Continued movement of lava across rope barrier
Continued movement of lava across rope barrier. Muffled sounds of a long-lasting, migrating methane explosion can be heard about two-thirds of the way through the clip, followed by a "Wow."
Continued movement of lava across rope barrier. Muffled sounds of a long-lasting, migrating methane explosion can be heard about two-thirds of the way through the clip, followed by a "Wow."
Lava breaks out of inflated toe
Lava breaks out of inflated toe and moves down moderate slope with rolling motion, top faster than bottom. See still images for this day; sagging rope gives scale.
Lava breaks out of inflated toe and moves down moderate slope with rolling motion, top faster than bottom. See still images for this day; sagging rope gives scale.
Lava moves across rope
Broad toe of lava moves across rope that formed barrier for access to Wilipe`a lava delta.
Broad toe of lava moves across rope that formed barrier for access to Wilipe`a lava delta.
Lava burning bush
Lava moving down rather steep slope and burning bush at snout of stream. Width of burning bush, about 1 m.
Lava moving down rather steep slope and burning bush at snout of stream. Width of burning bush, about 1 m.
Lava moving rapidly
Toe of lava moving fairly rapidly down moderate slope along edge of Kohola flow. Note that lava moves more rapidly at top than at base of toe, in contrast to lava in video for March 1, which was moving across nearly flat ground. Note also developing wrinkles in moving crust.
Toe of lava moving fairly rapidly down moderate slope along edge of Kohola flow. Note that lava moves more rapidly at top than at base of toe, in contrast to lava in video for March 1, which was moving across nearly flat ground. Note also developing wrinkles in moving crust.