The ground motion due to Rayleigh waves of the 1964 Alaska earthquake was recorded by a microbarograph in Houston. This appears to be the only known instance when such waves have been thus recorded; consequently some information about it is hereby given to add to the ample documentation about this earthquake (e.g., Anonymous-1, 1968–1973; Wood, 1969). Brief mentions of this observation are made in Donn (1964), McGarr (1965, 1968), and an article in Time magazine (Anonymous-2, 1964). I regret the delay in the present publication.

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