Name | Moment Magnitude |
---|---|
Code | Mw |
Symbol | M<sub>w</sub> |
Description | The magnitude is computed from a long-period body- and mantle-wave moment tensor inversion method; it is also related to the product of the area of the earthquake fault, multiplied by the average fault slip over that area and by the shear modulus of the fault rocks. The Mw value is approximately the same as the Ms magnitude value. |
Type | Earthquake Magnitude (Hazard) |
Data Type | Numeric |
View Order | 1 |
Please enter a message. | Please enter a moment magnitude. |
Invalid Message | Invalid moment magnitude. |
Validation Rule |
|
Access | Public |
No | Name | Value | Validity Conditions | |||
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1. | Moment magnitude from local magnitude (Allmann et al., 2011) | ƒ(ML) | - | 1 | - | - |
2. | Moment magnitude from seismic moment (Hanks and Kanamori, 1979) | ƒ(M0) | - | - | - | - |
Risk Assessment | Natural Hazards | Industrial Plants | Scientific | Users |