islands richter scales durations
1920
1926
1932
1938
1944
1950
1956
41 seconds
49 seconds
52 seconds
58 seconds
84 seconds
97 seconds
99 seconds
8.2
8.4
8.5
8.8
8.9
9.0
9.1


       Hint        Start Over

Get hints for a different puzzle!

How to Get Hints

A copy of your puzzle's grid is shown on the left. Copy over your current grid state from the book into the grid on the left by clicking once in a square to make an 'X' or twice to make an 'O'. Once you have your current grid state represented here, you can click the 'Hint' button below the grid. This will (1) remove any errors in your current grid state and (2) offer a suggestion as to where the next logical deduction can be made. You can request unlimited hints.

Puzzle #96

This grid will auto-populate with all the true relationships you've created on the top 7 rows on the grid.


Years Islands Richter Scales Durations
1920
1926
1932
1938
1944
1950
1956