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On March 27 in 1964 (March 28 in UTC), a huge Mw~9.2 earthquake rupture of the subduction megathrust happened offshore southern Alaska. These fine maps, published in Science (June 1965) by Georges Plafker, USGS geologist, display the coseismic vertical deformation measured in the field. The zone of coseismic uplift – above and in front of the rupture portion of the megathrust – is backed by a wide zone of subsidence. Afterward, this, and a comparable scenario observed after the 1960 Chile earthquake, will be modeled in many papers until recently.
- Plafker, G. (1965). Tectonic deformation associated with the 1964 Alaska earthquake. Science, 148(3678), 1675-1687.
- And, for a much more detailed report, see the USGS prof. paper 543-D, by Plafker and Kachadoorian, published in 1966.
