Because of the limitations of the magnitude scales, a new, more uniformly applicable extension of them, known as moment magnitude (MW) scale for representing the size of earthquakes, was introduced by Thomas C. Hanks and Hiroo Kanamori in 1977.
Richter magnitude scale | scale | Moment magnitude scale | Fujita scale | Scale model | scale model | Scale insect | Rostral scale | Scoville scale | Mercalli intensity scale | International Scale of River Difficulty | Beaufort scale | Synoptic scale meteorology | Supralabial scale | Small-scale agriculture | Rankine scale | moment magnitude scale | Medvedev–Sponheuer–Karnik scale | Hamilton Rating Scale for Depression | Wechsler Adult Intelligence Scale | Vertical seismic profile | Truck scale | TORRO scale | Tanner scale | Subjective units of distress scale | ''shindo'' scale | Seismic refraction | Seismic loading | scale (zoology) | SCALE-UP |