The music and the sound system are off the Richter scale.

Find out more about the Richter scale on the next page.

It felt like we were pushing eight on the Richter scale.

How strong would the earthquake be on the Richter scale?

The earthquake was about a 7.9 on the Richter scale.

A 4.2 on the Richter scale, not a big one.

At 7.7 on the Richter scale, it killed 1,653 people.

That measured 7.5 on the Richter scale but killed only two people.

It had a magnitude of 8.0 on the Richter scale.

Richter Scale took the lead within half a mile, and held it.