Rare card
Moment magnitude scale
- Value
- 50 W
- Attack
- 278
- Defence
- 222
- Players
- 0
The moment magnitude scale (MMS; denoted explicitly with Mw 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. Mw was defined in a 1979 paper by Thomas C. Hanks and Hiroo Kanamori.
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