This is not a wave pool. This is a regular Olympic pool in Mexico City, recorded by Brandon Ramirez Urzua as a magnitude 7.2 earthquake hit Mexico on Friday. Fortunately, there were no reports of casualties or major damage. I wouldn’t have wanted to be in the pool when it happened, though. -via Daily Picks and Flicks
Seiches can be produced sometimes up to thousands of miles away from an earthquake, far beyond where the shaking would be felt by a person. It comes down to the size of the body of water, and if a person is likely to notice large wavelength waves on it, but swimming pools seem to be about the right size to respond to earthquakes.
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