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1 March 2007 Lunisolar Effect on Spring Tides, Earthquakes, and Tsunamis
Fritz Gackstatter
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The periods of the three-body system of Sun-Earth-Moon play an important part in tidal dynamics. In this paper, I deal with extreme proxigean spring tides. To produce these rare and unusually high tides, several tide-raising effects must work together. Hipparcos' lunar evection anomaly is influential. An interesting phenomenon can be observed in that the first extreme proxigean spring tide in the new millennium happened on January 10, 2005, in new moon phase, and half a synodic month earlier, when the Moon was full on December 26, 2004, the Christmas Tsunami was triggered in the Indian Ocean.

Fritz Gackstatter "Lunisolar Effect on Spring Tides, Earthquakes, and Tsunamis," Journal of Coastal Research 2007(232), 528-530, (1 March 2007).
Received: 4 May 2006; Accepted: 18 May 2006; Published: 1 March 2007
spring tide
Tidal dynamics
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