MOON TOPICS A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z                    HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site moonquake A seismic disturbance on the Moon. Most moonquakes are small and deep-seated, and take place when the tidal effects of Earth and the Sun are strongest – at times of perigee, apogee, new moon, and full moon. Related category    • MOON TOPICS Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP