Tunguska Home Page of Bologna University by L.Foschini and
G.Longo: information, images and scientific data about
the impact event of Tunguska in 1938.
craters by Calvin
J. Hamilton, including a short introduction describing
the mechanism of formation of impact craters, pictures
and description of several impact craters.
Structures by James
D. Rupert (Canada Geological Survey), including an
introduction on impact cratering on Earth (morphology,
identification, hazard) an extensive list of impact
structures, with location, age, diameter and images
(photographies, gravity maps)
The James River Survey of a possible meteor crater impact by
J. Helen Isaac, Robert R. Stewart and Henry C. Bland (3D
image and movie of a simulated flight around the