I had experienced a couple of earthquakes ... Scale — that a 9.0 quake is ten times bigger than an 8.0 magnitude quake but 1,000 times bigger than one that is 6.0 — then you realize how big ...

I had experienced a couple of earthquakes ... scale. If you understand the logarithmic basis of the Richter Scale — that a 9.0 quake is ten times bigger than an 8.0 magnitude quake but 1,000 times ...