global
Surface wave magnitude measured at around 20 s
The surface wave magnitude measured on the vertical component
at around 20 s period.
Parameters for computing Ms_20 magnitudes from Ms_20 amplitudes.
Lower period limit of the signal for computing Ms_20.
Upper period limit of the signal for computing Ms_20.
Minimum epicentral distance for computing Ms_20.
Maximum epicentral distance for computing Ms_20.
Maximum depth for computing Ms_20.