Earthquake data exhibit clear patterns that correlate with planetary alignments.

The USGS National Earthquake Information Center lists large earthquakes at http://neic.usgs.gov/cgi-bin/epic/ep...LON=0.0&CRAD=0.

From this list I extracted dates of 1826 large earthquakes between 1901 and 1994.
Examination against planetary records produced the following findings:

Earthquakes occurred twice as often in the half of the year when Mars was on the other side of the Sun, 43% more often when Jupiter was behind the Sun and 19% more often when Saturn was on the other side. Quakes were 25% more frequent than average in the four weeks each year when Uranus was within 24 degrees of the sun, and 46% more frequent than average in the three weeks each year when Pluto was within 18 degrees of the sun.

These findings do not tell exactly when and where earthquakes will happen, but they do suggest planetary gravity can be like ‘the straw that breaks the camel’s back’ in affecting earthquake timing. The astronomical significance of these findings is to illustrate that tiny planetary gravitational effects can produce regular measurable rhythmic patterns on earth.

These findings support the claims of measurable terrestrial patterns presented in my recent BAUT on planets and rain Planets and Rain