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originally posted by: nataylor
a reply to: smurfy
Except, there's no way a volcano could go from 10,000 feet deep to breaking through the surface in a mater of years (the last major bathymetric survey in the area was in 2008). You don't see 10,000 foot volcanic mountains popping up overnight.
Most of Earth’s volcanoes are under water. As a result of their relative inaccessibility, little is known of the structure and evolution of submarine volcanoes. Advances in navigation and sonar imaging techniques have made it possible to map submarine volcanoes in detail, and repeat surveys allow the identification of regions where the depth of the sea floor is actively changing. Here we report the results of a bathymetric survey of Monowai submarine volcano in the Tonga–Kermadec Arc, which we mapped twice within 14 days. We found marked differences in bathymetry between the two surveys, including an increase in seafloor depth up to 18.8 m and a decrease in depth up to 71.9 m. We attribute the depth increase to collapse of the volcano summit region and the decrease to growth of new lava cones and debris flows. Hydroacoustic T-wave data reveal a 5-day-long swarm of seismic events with unusually high amplitude between the surveys, which directly link the depth changes to explosive activity at the volcano. The collapse and growth rates implied by our data are extremely high, compared with measured long-term growth rates of the volcano, demonstrating the pulsating nature of submarine volcanism and highlighting the dynamic nature of the sea floor.
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originally posted by: 8675309jenny
Could you ask the photographer if the lights on the ocean surface appeared to move at all?? Like actual lava flows, or did they seem to be stationary? or maybe some flickering of the light?
I'm starting to wonder if some of those seafloor methane vents could have caught fire somehow and we have flaming bubbles of methane rising to the surface...
The lights were stationary, not flickering and of a constant glow. The colors were not changing, the intensity neither.
They appeared not to move at all, though the cloudlayer prevented us from seeing the source of the lights directly.
8sec exposure on a tripod will create startrails and this was taken from a plane and no star trail? Fishyyyyy
originally posted by: Rezlooper
originally posted by: Phage
a reply to: Rezlooper
Here is a pic from below of the methane bubbles rising to the surface in the Arctic.
No.
That is a picture of bubbles from scuba divers rising to the surface. Perhaps in the Arctic but probably not.
It's a facebook "cover".
www.timelinecoverbanner.com...
Haven't seen ya around Phage, good to see you. And that's your contribution to this thread. Sure did miss your wit around here!
Anyways, since that was so important to point out that these aren't methane bubbles, sorry my bad. But, here are a few more pics, and then, I'll ask the question again...could these pics in the OP be ignited methane bubbles?
The Resilient Earth
Green house Nuetral Foundation
woods Hole Oceanographic Institution
And here is a photo of a bubble exploding on a lake
Source
It is presumed that TGF photons are emitted by electrons traveling at speeds very close to the speed of light that collide with the nuclei of atoms in the air and release their energy in the form of gamma rays
originally posted by: Rezlooper
And here is a photo of a bubble exploding on a lake
To steady the camera, you simply brace it against the _ The wide angle lens lessens the problem also, but MOST IMPORTANTLY, if you are looking down at 20° from horizontal at 34,000ft, your objects are 99,409ft away!! At a low angle the 30second exposure is perfectly fine. Your example of 8secon exposures are for objects that are a mere 50ft away or so. Anything on the surface of the ocean in these pictures is a MINIMUM 34,000ft away.
originally posted by: cdesigns
8 SEC IMPOSSIBLE, 1/8 of a sec might be possible but not even with the Highest ISO on that camera you will get that resolution.