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May 17, 2022 at 12:40 comment added bukwyrm your assumption seems to be that an explosion, if it happens at sufficient depth, will uniformly lift the water above it ... and keep it lifted? a TIDAL 'wave' is a, for most purposes, permanent, rise of the water level, not a temporary one.
May 5, 2022 at 12:16 comment added stevec @FluidCode the choice of the deeper waters was intentional, since I think we want to know if the tidal wave is possible (not just whether it's likely). I agree with your implication (that it would in practice be used as close to mainland as possible) but I think in order to thoroughly answer the question, the idea of a detonation in deeper waters should not be ruled out, as tidal waves have been known to travel thousands of km.
May 5, 2022 at 10:42 comment added FluidCode More than 300 kilometres from Ireland and more than 400 km from Britain. Otherwise shallow waters that could not contain an underwater explosion most of it would end in a vertical vapour jet. You had a good idea to post that picture, but the interpretation can be a little bit different.
May 5, 2022 at 3:29 comment added stevec @Mark I reworded. Hopefully there are some physicists here who know more about it.
May 5, 2022 at 3:29 history edited stevec CC BY-SA 4.0
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May 5, 2022 at 3:26 comment added stevec @Mark thinking about it more, I know if the sea floor acts like a ramp, it will increase the size, but in this case it could be more like a cliff (so it might actually stop a lot of the wave?).The seafloor is a very interesting aspect, but I don't really know how to interpret it. Hopefully someone else does.
May 5, 2022 at 3:25 comment added Mark Would it? A true tsunami (one caused by an earthquake or a subsea landslide) might, but it's unclear if an underwater explosion will even produce a tsunami.
S May 5, 2022 at 3:20 review First answers
May 10, 2022 at 6:43
S May 5, 2022 at 3:20 history answered stevec CC BY-SA 4.0