California Earthquakes
March 7, 2016Plotting earthquakes in California for the “big one” is difficult due to the lack of historical data prior to 1857. From that point forward, the frequency appears to line up with the 8.6-year pi cycle insofar as the three major events — 1857, 1906, and 1989 — follow about 43-year (half-8.6) cycle. This is time period […]