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Wednesday, March 20, 2013
I have a question about a meteor or asteroid coming in:
Let's say one about Tunguska-size comes in over an ocean, and detonates about the same height up; what are the chances of the shock wave from that causing a tsunami?
The 5 Mt blast from shot MIKE didn't make a wave and it went off just above sea level. The 50 MT tsar boma didnt make one that I Know of. I think that your Boldie would have to be an impactor to cause a big wave
The asteroid would disturb (Boy Howdy!) the surface of the water. A wave is a disturbance of the surface of the water. With even the big waves, you can go down 50 feet or so and the disturbance is minimal.
A Tsunami is a shock-wave that displaces the entire water column, from surface to the mud. In the open ocean, there is only a ripple on the surface but when all this water piles up on the shallow ground of the shoreline, it gets very big, very fast.
The Fukushima Daiichi wave was actually two tsunami that combined in a sort of Vee angle -- much larger than if it had been hit by just one.
We know just a bit what happened to Tunguska - the only problem, nothing left there, yep, trees broken, huge crater, but seems like, that asteroid left. in the case of the ocean- i cant even imagine, guess its gonna be huge waves- i mean huge- 100 metes- so u can imagine whats gonna happen to the coastline and on ground
You need to displace sea floor to create a tsunami. It takes a rise or fall of sea floor to create the wave action in the water that will then travel across water to shallows where it will form a large wave coming into the shore.
5 comments:
I don't think it is much, because the Bikini Atoll test didn't produce one.
The 5 Mt blast from shot MIKE didn't make a wave and it went off just above sea level. The 50 MT tsar boma didnt make one that I Know of. I think that your Boldie would have to be an impactor to cause a big wave
The asteroid would disturb (Boy Howdy!) the surface of the water. A wave is a disturbance of the surface of the water. With even the big waves, you can go down 50 feet or so and the disturbance is minimal.
A Tsunami is a shock-wave that displaces the entire water column, from surface to the mud. In the open ocean, there is only a ripple on the surface but when all this water piles up on the shallow ground of the shoreline, it gets very big, very fast.
The Fukushima Daiichi wave was actually two tsunami that combined in a sort of Vee angle -- much larger than if it had been hit by just one.
We know just a bit what happened to Tunguska - the only problem, nothing left there, yep, trees broken, huge crater, but seems like, that asteroid left.
in the case of the ocean- i cant even imagine, guess its gonna be huge waves- i mean huge- 100 metes- so u can imagine whats gonna happen to the coastline and on ground
You need to displace sea floor to create a tsunami. It takes a rise or fall of sea floor to create the wave action in the water that will then travel across water to shallows where it will form a large wave coming into the shore.
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