This type of quake has been felt all over the world after the detonation of a nuclear weapon. There is very little actual data that is readily available on this type of quake, but, of the two types of of earthquakes it is the only type that can be easily predicted and controlled. We have written many articles about earthquakes for Universe Today.
It was also the first publicly recognized by Obama since the elementary school massacre, which claimed the lives of 27, including 20 children. There have been six mass shootings over the past nine months -- and at least 20 during Obama's presidency. That may be disturbing. But some would argue even that startling figure grossly underreports the number of shooting sprees.
AVERAGE NUMBER OF MASS SHOOTINGS PER TERM. The average number of mass shootings for George H.W. Bush, Bill Clinton and George W. Bush was 7.83 mass shootings per term. Barack Obama shatters that number with 18.5 mass shootings per term. NUMBER OF MASS SHOOTINGS BY PARTY. Under these four Presidents there have been far more mass shootings under Democrat Presidents than there have been under Republican Presidents. Going back to 1989 when George H.W. Bush took office, 71.43% of mass shootings have taken place under a Democrat President.