Send a comment on this item to LII: Send a comment on this item to LII staff, who on weekdays will usually reply within 24 hours. Earth Impacts Effect Program "This program will estimate the seismic, blast wave, and thermal effects of an impact as well as the size of the crater produced by the impact" of a meteorite or comet striking the earth. Select the inputs, and the site will calculate the results of the impact. Includes a explanation of results. From scientists at the University of Arizona's Lunar and Planetary Laboratory. Note: "These results come with absolutely no warranty." http://www.lpl.arizona.edu/impacteffects/ Asterisk * indicates required field. Your Name Your Email Address * We will not sell or provide your email address to anyone else. Comment * Enter the verification code as it is shown in the box below. This helps prevent automated submissions. *