Richter magnitude scale
From Memory Alpha, the free Star Trek reference
- You may also be looking for the Richter scale of culture.
The Richter magnitude scale is a seismic scale used to measure the intensity of an earthquake.
An earthquake of about 8 or 8.5 on the Richter scale was measured on Penthara IV after pockets of subterranean carbon dioxide were released by drilling holes with a phaser drill. (TNG: "A Matter of Time")
