Abrahamson et al. 2014

class openquake.hazardlib.gsim.abrahamson_2014.AbrahamsonEtAl2014

Implements GMPE by Abrahamson, Silva and Kamai developed within the the PEER West 2 Project. This GMPE is described in a paper published in 2014 on Earthquake Spectra, Volume 30, Number 3 and titled ‘Summary of the ASK14 Ground Motion Relation for Active Crustal Regions’.

COEFFS = <openquake.hazardlib.gsim.base.CoeffsTable object>

Coefficient tables as per annex B of Abrahamson et al. (2014)

CONSTS = {'h1': 0.25, 'h2': 1.5, 'm2': 5.0, 'h3': -0.75, 'n': 1.5}

equation constants (that are IMT independent)

DEFINED_FOR_INTENSITY_MEASURE_COMPONENT = 'Average Horizontal (RotD50)'

Supported intensity measure component is orientation-independent average horizontal RotD50, see page 1025.

DEFINED_FOR_INTENSITY_MEASURE_TYPES = set([<class 'openquake.hazardlib.imt.PGA'>, <class 'openquake.hazardlib.imt.SA'>, <class 'openquake.hazardlib.imt.PGV'>])

Supported intensity measure types are spectral acceleration, peak ground velocity and peak ground acceleration, see tables 4 pages 1036

DEFINED_FOR_STANDARD_DEVIATION_TYPES = set(['Total', 'Inter event', 'Intra event'])

Supported standard deviation types are inter-event, intra-event and total, see paragraph “Equations for standard deviations”, page 1046.

DEFINED_FOR_TECTONIC_REGION_TYPE = 'Active Shallow Crust'

Supported tectonic region type is active shallow crust, see title!

REQUIRES_DISTANCES = set(['rx', 'rjb', 'ry0', 'rrup'])

Required distance measures are Rrup, Rjb, Ry0 and Rx (see Table 2, page 1031).

REQUIRES_RUPTURE_PARAMETERS = set(['width', 'rake', 'dip', 'ztor', 'mag'])

Required rupture parameters are magnitude, rake, dip, ztor, and width (see table 2, page 1031)

REQUIRES_SITES_PARAMETERS = set(['vs30measured', 'z1pt0', 'vs30'])

Required site parameters are Vs30 and Z1.0, see table 2, page 1031 Unit of measure for Z1.0 is [m]

get_mean_and_stddevs(sites, rup, dists, imt, stddev_types)

See superclass method for spec of input and result values.

class openquake.hazardlib.gsim.abrahamson_2014.AbrahamsonEtAl2014RegJPN

Implements GMPE developed by Abrahamson, Silva and Kamai in 2014 as part of the PEER West 2 Project. The GMPE is described in a paper published in 2014 on Earthquake Spectra, Volume 30, Number 3.

Regional corrections for Japan

class openquake.hazardlib.gsim.abrahamson_2014.AbrahamsonEtAl2014RegCHN

Implements GMPE developed by Abrahamson, Silva and Kamai in 2014 as part of the PEER West 2 Project. The GMPE is described in a paper published in 2014 on Earthquake Spectra, Volume 30, Number 3.

Regional corrections for China

class openquake.hazardlib.gsim.abrahamson_2014.AbrahamsonEtAl2014RegTWN

Implements GMPE developed by Abrahamson, Silva and Kamai in 2014 as part of the PEER West 2 Project. The GMPE is described in a paper published in 2014 on Earthquake Spectra, Volume 30, Number 3.

Regional corrections for Taiwan