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The moment magnitude scale (MMS; denoted explicitly with M or M w or Mwg, and generally implied with use of a single M for magnitude) is a measure of an earthquake's magnitude ("size" or strength) based on its seismic moment. M w was defined in a 1979 paper by Thomas C. Hanks and Hiroo Kanamori.
- Seismic magnitude scales - Wikipedia
The moment magnitude scale – Mw or M w – developed by...
- Richter scale - Wikipedia
For large earthquakes worldwide, the moment magnitude scale...
- Moment magnitude scale - Simple English Wikipedia, the free ...
The moment magnitude scale is a way to measure the power of...
- Seismic magnitude scales - Wikipedia
La escala sismológica de magnitud de momento ( Mw) es una escala logarítmica usada para medir y comparar terremotos. Está basada en la medición de la energía total que se libera en un sismo. Fue introducida en 1979 por Thomas C. Hanks y Hiroo Kanamori como la sucesora de la escala sismológica de Richter. 1 .
Seismic moment is the basis of the moment magnitude scale introduced by Hiroo Kanamori, which is often used to compare the size of different earthquakes and is especially useful for comparing the sizes of large (great) earthquakes. The seismic moment is not restricted to earthquakes.
The moment magnitude scale was designed to produce a more accurate accounting of the total energy released by an earthquake, and it calculates the earthquake’s magnitude more accurately than other measures—such as the Richter scale (M L), the body-wave scale (m b), and the surface-wave scale (M S).
- John P. Rafferty
