magnitude 7 on the richter scale
1Richter scale — ☆ Richter scale [rik′tər ] n. [devised by C. Richter (1900 85), U.S. seismologist] a logarithmic scale for indicating the magnitude of earthquakes using data from a seismograph: each step represents a magnitude that is about 10 times greater than …
2Richter scale — a scale, ranging from 1 to 10, for indicating the intensity of an earthquake. [1935 40; after Charles F. Richter (1900 85), U.S. seismologist] * * * Widely used measure of the magnitude of an earthquake, introduced in 1935 by U.S. seismologists… …
3Richter scale — for the standard measure of earthquake magnitudes. It is named for Charles Richter (1900–1985) of the California Institute of Technology, who invented it in the 1930s. The scale increases at a rate that is exponential rather than linear, making… …
4Richter scale — for the standard measure of earthquake magnitudes. It is named for Charles Richter of the California Institute of Technology, who invented it in the 1930s. The scale increases at a rate that is exponential rather than linear, making each level …
5Richter scale — ► NOUN ▪ a logarithmic scale for expressing the magnitude of an earthquake on the basis of seismograph oscillations. ORIGIN named after the American geologist Charles F. Richter (1900 85) …
6Richter scale — /ˈrɪktə skeɪl / (say riktuh skayl) noun an open ended logarithmic scale used to express the magnitude or total energy of a seismic disturbance (as an earthquake). In this scale an increase of 1 indicates a tenfold increase in energy. Recorded… …
7Richter scale — noun Etymology: Charles F. Richter Date: 1938 an open ended logarithmic scale for expressing the magnitude of a seismic disturbance (as an earthquake) in terms of the energy dissipated in it with 1.5 indicating the smallest earthquake that can be …
8Richter scale — [ rɪktə] noun Geology a logarithmic scale for expressing the magnitude of an earthquake on the basis of seismograph oscillations. Origin 1930s: named after the American geologist Charles F. Richter …
9Richter scale — Rich′ter scale n. gel a logarithmic scale for expressing the magnitude of an earthquake, a measurement under 5 considered minor and over 7 indicating major destruction • Etymology: 1935–40; after Charles F. Richter (1900–85), U.S. seismologist …
10Richter — can refer to the Richter magnitude scale, a scale measuring the strength of earthquakes. Richter is also a surname:* Adrian Ludwig Richter, 19th century German artist * Aemilius Ludwig Richter, 19th century German jurist * Albert Richter (1912… …
