9,757,440 seconds since the last category 5 hurricane struck the US.
http://www.aoml.noaa.gov/hrd/hurdat/ushurrlist18512009.txt
9,757,440 seconds since the last category 5 hurricane struck the US.
http://www.aoml.noaa.gov/hrd/hurdat/ushurrlist18512009.txt
You forgot to minus 1.8 mil seconds due to the earthquake.