There are many sites on earthquake readiness; one that shows recent quakes is listed here. You may be amazed that there are so many recent large quakes.
http://pubs.usgs.gov/fs/1999/fs151-99/
Earthquake Locator:
http://earthquaketrack.com/
These sites provide interesting decibel tests:
http://www.phys.unsw.edu.au/jw/hearing.html
The World census clock provides the world’s population updated every minute:
https://www.census.gov/popclock/
Problem 57 is based on the Shroud of Turin. You can begin an investigation of this artifact at this site:
http://shroud.com/c14debat.htm