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earthquake.usgs.gov...
A geophysicist is someone who studies the Earth using gravity, magnetic, electrical, and seismic methods. Some geophysicists spend most of their time outdoors studying various features of the Earth, and others spend most of their time indoors using computers for modeling and calculations.
www.ncsu.edu...
One large tree can lift up to 100 gallons of water out of the ground and discharge it into the air in a day.
One large tree can provide a day's supply of oxygen for up to four people.
en.wikipedia.org...
The Rocky Mountains were initially formed from 80 million to 55 million
If, the earth was filled with molten rock, and the rift were deep enough, yes lava should flow from the crack. Is that what we see?
originally posted by: syrinx high priest
wouldn't something come out of the quakes like lava ?
I have google Earth and have studied it to no end. A great tool, but not perfect. It would be nice to see them color code the ages of the ocean floors so people can get a more accurate presentation. The Pacific rift actually runs along the west coasts of the Americas. The rift in the Pacific is not as easy to see because of this.
originally posted by: OneGoal
a reply to: All Seeing Eye
Download Google Earth and take a look at the sea floor in the middle of the atlantic. That's the mid atlantic rift where litho sphere rises through the crust and the Atlantic Ocean spreads.
On the other side of earth you have in the Pacific several subduction zones where crust dives into the lithosphere.
These are essentially the two main points of interest and if you look at it, it's essentially recycling mantle material. Based on this I'd say the Earth is not changing in size.
No, we are not told that, the earth was still about 2/3 covered by water back then just as it is today. There were huge oceans 127 million years ago and 140 million years ago wasn't much different, here's the model of 127 million years ago:
originally posted by: All Seeing Eye
The Earth is approximately 4.5 to 5 billion years old. At about 140 million years ago the earths atmospheric oxygen content was about 25%, then though the next 70 million rose to a high of 35%. We are told during those times the earth only had shallow inland seas.
Animation of the earth in early cretaceous period (127 mya). I created a high-resolution (5400 x 2700) map based on the continent outlines by Dr. Ronald Blakey (Ron Blakey, Colorado Plateau Geosystems, Arizona USA) using textures from satellite images by the NASA.
originally posted by: All Seeing Eye
I have google Earth and have studied it to no end. A great tool, but not perfect. It would be nice to see them color code the ages of the ocean floors so people can get a more accurate presentation. The Pacific rift actually runs along the west coasts of the Americas. The rift in the Pacific is not as easy to see because of this.
originally posted by: OneGoal
a reply to: All Seeing Eye
Download Google Earth and take a look at the sea floor in the middle of the atlantic. That's the mid atlantic rift where litho sphere rises through the crust and the Atlantic Ocean spreads.
On the other side of earth you have in the Pacific several subduction zones where crust dives into the lithosphere.
These are essentially the two main points of interest and if you look at it, it's essentially recycling mantle material. Based on this I'd say the Earth is not changing in size.
One other thing, view the following video and share your thoughts...
originally posted by: OneGoal
a reply to: All Seeing Eye
Download Google Earth and take a look at the sea floor in the middle of the atlantic. That's the mid atlantic rift where litho sphere rises through the crust and the Atlantic Ocean spreads.
On the other side of earth you have in the Pacific several subduction zones where crust dives into the lithosphere.
These are essentially the two main points of interest and if you look at it, it's essentially recycling mantle material. Based on this I'd say the Earth is not changing in size.
A single earthquake can shorten the length of a day but still the overall trend is for days to get longer, which has more to do with tidal friction and angular momentum of Earth's rotation being transferred to the moon; in essence the Earth is slowing down and the moon is speeding up which is why the moon continues to move farther from the Earth every year.
originally posted by: _BoneZ_
The Earth isn't expanding. It's actually shrinking as mass gets pushed closer and closer to the center of the Earth.
With every major earthquake, the mass gets tighter, the Earth rotates faster, and the days get shorter. None of these are signs of an expanding Earth.
Universal Time is a time scale based on the Earth's rotation, which is somewhat irregular over short periods (days up to a century), thus any time based on it cannot have an accuracy better than 1 : 108. But the principal effect is over the long term: over many centuries tidal friction inexorably slows Earth's rate of rotation by about dT/dt = +2.3 ms/cy, or α = +2.3 ms/day/cy. During one day, this results in a very small fractional change of ΔT/T = 7.3×10−13. However, there are other forces changing the rotation rate of the Earth. The most important one is believed to be a result of the melting of continental ice sheets at the end of the last glacial period. This removed their tremendous weight, allowing the land under them to begin to rebound upward in the polar regions, which has been continuing and will continue until isostatic equilibrium is reached. This "post-glacial rebound" brings mass closer to the rotation axis of the Earth, which makes the Earth spin faster (law of conservation of angular momentum)[clarification needed]: the rate derived from models is about −0.6 ms/day/cy. So the net acceleration (actually a deceleration) of the rotation of the Earth, or the change in the length of the mean solar day (LOD), is +1.7 ms/day/cy. This is indeed the average rate as observed over the past 27 centuries.
originally posted by: watchitburn
a reply to: All Seeing Eye
So where would all this additional matter come from to increase the earth by 400%?
This notion has been around for quite awhile now, I thought it was pretty interesting when I 1st saw it too. And it's still as full of holes as it ever was.
originally posted by: Arbitrageur
Aside from Earthquakes which can buck the overall trend are ice ages, where advancing and receding ice sheets can change the mass distribution of the Earth thus changing angular momentum, not unlike the way a figure skater's spin speeds up when she pulls in her arms.
originally posted by: watchitburn
a reply to: All Seeing Eye
So where would all this additional matter come from to increase the earth by 400%?
This notion has been around for quite awhile now, I thought it was pretty interesting when I 1st saw it too. And it's still as full of holes as it ever was.
In other words, the Earth's mass at any given time, is not an even distribution
First, where does water come from. How is water created in nature, and unbelievably, Science says they do not understand the process, not completely, anyways.
originally posted by: dogstar23
a reply to: All Seeing Eye
I'm confused as to what makes the Earth get bigger and where the new water comes from. I read the OP but didn't (can't now) watch the youtube video. Can you summarize those two items?
I've been traveling for 14 hours and counting, so it might have been obvious and my brain function is declining due to being around too many people who can't figure out what "take your shoes off and put them in the bin" means.
en.wikipedia.org...
The origin of water on Earth, or the reason that there is clearly more liquid water on the Earth than on the other rocky planets of the Solar System, is not completely understood