Generally, you won't see much damage from earthquakes that register below 4 on the Richter scale.

The quake registered 5.9 on the Richter scale of energy released and ground motion.

It was registered at 4.2 on the Richter scale, and was felt for up to 15 seconds.

One, registering 4.6 on the Richter scale, occurred half an hour after the original shock.

The small earthquakes have registered between 2.0 and 3.0 on the Richter scale.

That little shake would hardly have registered on the Richter scale.

It is believed that the earthquake would have registered between about 5 and 6 on the current Richter scale.

But the latest upheaval must register 10 on the Richter scale.

The 1940 earthquake registered a magnitude of 7.4 or 7.7 on the Richter scale.

The earthquake that hit the city registered 3.2 on the Richter scale.