one to ten
The Ritcher Scale is used to measure earthquake strength.
he invented the Ritcher magnitude scale
Ritcher Scale
8.9
It was 7.2 according to my freinds :S
The lowest number on the Ritcher scale is a 1.0. A 1.0 is generally not felt at all. The highest number is a 10 on the Ritcher scale.
He was the first person who created the Ritcher scale
The biggest earthquake measured 9.5 on the ritcher scale.
A seismograph records the intensity measured by the Ritcher Scale.
Jim Ritcher's birth name is James Alexander Ritcher.
They might be in the middle of the ocean, causing no destruction. Or they could be very low on the Ritcher Scale.
3 numbers. The different ratings are simply the levels of strength of an earthquake.