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Nature 390, 439-440 (4 December 1997) | doi:10.1038/37218

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Multi-ringed revelation

H. J. Melosh1

The Chicxulub crater is the remnant of a meteorite impact that is blamed for killing off the dinosaurs. A new seismological survey shows that it is smaller than many scientists had thought, and extends deeper than anyone had suspected.

  1. H. J. Melosh is in the Lunar and Planetary Laboratory, University of Arizona, Tucson, Arizona 85721, USA.
    e-mail: Email: jmelosh@lpl.arizona.edu