def make_rupture(self):
# Create the rupture surface.
upper_seismogenic_depth = 3.
lower_seismogenic_depth = 15.
dip = 90.
mesh_spacing = 1.
fault_trace_start = Point(28.531397, 40.8790859336)
fault_trace_end = Point(28.85, 40.9)
fault_trace = Line([fault_trace_start, fault_trace_end])
default_arguments = {
'mag':
6.5,
'rake':
180.,
'tectonic_region_type':
const.TRT.STABLE_CONTINENTAL,
'hypocenter':
Point(28.709146553353872, 40.890863701462457, 11.0),
'surface':
SimpleFaultSurface.from_fault_data(fault_trace,
upper_seismogenic_depth,
lower_seismogenic_depth,
dip=dip,
mesh_spacing=mesh_spacing),
'rupture_slip_direction':
0.,
'occurrence_rate':
0.01,
'temporal_occurrence_model':
PoissonTOM(50)
}
kwargs = default_arguments
rupture = ParametricProbabilisticRupture(**kwargs)
return rupture
def _create_rupture(distance, magnitude,
tectonic_region_type=TRT.ACTIVE_SHALLOW_CRUST):
# Return a rupture with a fixed geometry located at a given r_jb distance
# from a site located at (0.0, 0.0).
# parameter float distance:
# Joyner and Boore rupture-site distance
# parameter float magnitude:
# Rupture magnitude
# Find the point at a given distance
lonp, latp = point_at(0.0, 0.0, 90., distance)
mag = magnitude
rake = 0.0
tectonic_region_type = tectonic_region_type
hypocenter = Point(lonp, latp, 2.5)
surface = PlanarSurface.from_corner_points(
Point(lonp, -1, 0.), Point(lonp, +1, 0.),
Point(lonp, +1, 5.), Point(lonp, -1, 5.))
surface = SimpleFaultSurface.from_fault_data(
fault_trace=Line([Point(lonp, -1), Point(lonp, 1)]),
upper_seismogenic_depth=0.0,
lower_seismogenic_depth=5.0,
dip=90.0,
mesh_spacing=1.0)
# check effective rupture-site distance
from openquake.hazardlib.geo.mesh import Mesh
mesh = Mesh(numpy.array([0.0]), numpy.array([0.0]))
assert abs(surface.get_joyner_boore_distance(mesh)-distance) < 1e-2
return BaseRupture(mag, rake, tectonic_region_type, hypocenter,
surface, NonParametricSeismicSource)
def make_rupture(self):
# Create the rupture surface.
upper_seismogenic_depth = 3.
lower_seismogenic_depth = 15.
dip = 90.
mesh_spacing = 1.
fault_trace_start = Point(28.531397, 40.8790859336)
fault_trace_end = Point(28.85, 40.9)
fault_trace = Line([fault_trace_start, fault_trace_end])
default_arguments = {
'mag': 6.5,
'rake': 180.,
'tectonic_region_type': const.TRT.STABLE_CONTINENTAL,
'hypocenter': Point(28.709146553353872, 40.890863701462457, 11.0),
'surface': SimpleFaultSurface.from_fault_data(
fault_trace, upper_seismogenic_depth, lower_seismogenic_depth,
dip=dip, mesh_spacing=mesh_spacing),
'rupture_slip_direction': 0.,
'occurrence_rate': 0.01,
'temporal_occurrence_model': PoissonTOM(50)
}
kwargs = default_arguments
rupture = ParametricProbabilisticRupture(**kwargs)
return rupture
def _create_rupture(distance, magnitude,
tectonic_region_type=TRT.ACTIVE_SHALLOW_CRUST):
# Return a rupture with a fixed geometry located at a given r_jb distance
# from a site located at (0.0, 0.0).
# parameter float distance:
# Joyner and Boore rupture-site distance
# parameter float magnitude:
# Rupture magnitude
# Find the point at a given distance
lonp, latp = point_at(0.0, 0.0, 90., distance)
mag = magnitude
rake = 0.0
tectonic_region_type = tectonic_region_type
hypocenter = Point(lonp, latp, 2.5)
surface = PlanarSurface.from_corner_points(
Point(lonp, -1, 0.), Point(lonp, +1, 0.),
Point(lonp, +1, 5.), Point(lonp, -1, 5.))
surface = SimpleFaultSurface.from_fault_data(
fault_trace=Line([Point(lonp, -1), Point(lonp, 1)]),
upper_seismogenic_depth=0.0,
lower_seismogenic_depth=5.0,
dip=90.0,
mesh_spacing=1.0)
# check effective rupture-site distance
from openquake.hazardlib.geo.mesh import Mesh
mesh = Mesh(numpy.array([0.0]), numpy.array([0.0]))
assert abs(surface.get_joyner_boore_distance(mesh)-distance) < 1e-2
return BaseRupture(mag, rake, tectonic_region_type, hypocenter,
surface, NonParametricSeismicSource)
def setUp(self):
# Create surface
trc = Line([Point(0.0, 0.0), Point(0.5, 0.0)])
usd = 0.0
lsd = 20.0
dip = 90.0
spc = 2.5
self.srfc1 = SFS.from_fault_data(trc, usd, lsd, dip, spc)
# Create surface
trc = Line([Point(0.0, 0.0), Point(0.5, 0.0)])
usd = 0.0
lsd = 20.0
dip = 20.0
spc = 2.5
self.srfc2 = SFS.from_fault_data(trc, usd, lsd, dip, spc)
def get_surface(self):
hyp = Line([Point(0, 0.5)])
trc = Line([Point(0, 0), Point(0, 1)])
sfc = SimpleFaultSurface.from_fault_data(fault_trace=trc,
upper_seismogenic_depth=0,
lower_seismogenic_depth=15,
dip=90.,
mesh_spacing=10.)
return sfc, hyp
def get_surface(self):
""" """
hyp = Line([Point(0, 0.5)])
trc = Line([Point(0, 0), Point(0, 1)])
sfc = SimpleFaultSurface.from_fault_data(fault_trace=trc,
upper_seismogenic_depth=0,
lower_seismogenic_depth=15,
dip=90.,
mesh_spacing=10.)
return sfc, hyp
def _get_mesh_ch_from_simple_fs(fault, mesh_spacing):
"""
:parameter fault:
An instance of the
:class:`openquake.hazardlib.source.CharacteristicFaultSource`
:parameter float mesh_spacing:
The spacing [km] of the grid used to represent the fault surface
"""
srfa = SimpleFaultSurface.from_fault_data(fault.fault_trace,
fault.upper_seismogenic_depth,
fault.lower_seismogenic_depth,
fault.dip, mesh_spacing)
mesh = srfa.mesh
chul = mesh.get_convex_hull()
return mesh, chul
def test01(self):
source_id = name = 'test-source'
trt = self.TRT
rake = self.RAKE
rupture_mesh_spacing = 2.5
upper_seismogenic_depth = 0
lower_seismogenic_depth = 4.2426406871192848
magnitude_scaling_relationship = PeerMSR()
rupture_aspect_ratio = 2.0
tom = self.TOM
fault_trace = Line([
Point(0.0, 0.0),
Point(0.0, 0.0359728811758),
Point(0.0190775080917, 0.0550503815181),
Point(0.03974514139, 0.0723925718855)
])
mfd = TruncatedGRMFD(a_val=0.5,
b_val=1.0,
min_mag=5.8,
max_mag=6.2,
bin_width=0.1)
floating_x_step = 10.0
floating_y_step = 5.0
dip = 90.0
src = KiteFaultSource.as_simple_fault(
source_id, name, trt, mfd, rupture_mesh_spacing,
magnitude_scaling_relationship, rupture_aspect_ratio, tom,
upper_seismogenic_depth, lower_seismogenic_depth, fault_trace, dip,
rake, floating_x_step, floating_y_step)
sfs = SimpleFaultSurface.from_fault_data(fault_trace,
upper_seismogenic_depth,
lower_seismogenic_depth, dip,
rupture_mesh_spacing)
msh = Mesh(lons=numpy.array([0.02]),
lats=numpy.array([0.03]),
depths=numpy.array([0.0]))
rrup_sf = sfs.get_min_distance(msh)
rrup_kf = src.surface.get_min_distance(msh)
numpy.testing.assert_almost_equal(rrup_sf, rrup_kf, decimal=1)
if MAKE_PICTURES:
ppp(src.profiles, src.surface)
def get_areas(model):
"""
Get maximum magnitudes from MFDs
:parameter model:
A list of hazardlib source instances
:returns:
A list with the areas of each fault
"""
msp = 2
areas = []
for src in model:
if isinstance(src, SimpleFaultSource):
fault_surface = SimpleFaultSurface.from_fault_data(
src.fault_trace, src.upper_seismogenic_depth,
src.lower_seismogenic_depth, src.dip, msp)
area = fault_surface.get_area()
areas.append(area)
return areas
def get_profiles_from_simple_fault_data(fault_trace, upper_seismogenic_depth,
lower_seismogenic_depth, dip,
rupture_mesh_spacing):
"""
Using the same information used for the construction of a simple fault
surface, creates a set of profiles that can be used to instantiate a
kite surface.
:param fault_trace:
A :class:`openquake.hazardlib.geo.line.Line` instance
:param upper_seismogenic_depth:
The upper seismmogenic depth [km]
:param lower_seismogenic_depth:
The lower seismmogenic depth [km]
:param dip:
The dip angle [degrees]
:param rupture_mesh_spacing:
The size of the mesh used to represent the fault surface. In our case
the spacing between profiles [km]
"""
# Avoids singularity
if (dip - 90.) < 1e-5:
dip = 89.9
# Get simple fault surface
srfc = SimpleFaultSurface.from_fault_data(fault_trace,
upper_seismogenic_depth,
lower_seismogenic_depth, dip,
rupture_mesh_spacing * 1.01)
# Creating profiles
profiles = []
for i in range(srfc.mesh.shape[1]):
tmp = [
Point(lo, la, de)
for lo, la, de in zip(srfc.mesh.lons[:, i], srfc.mesh.lats[:, i],
srfc.mesh.depths[:, i])
]
profiles.append(Line(tmp))
return profiles
def get_fault_sources(filename,
slip_rate_class,
bin_width=0.1,
m_low=6.5,
b_gr=1.0,
rupture_mesh_spacing=2.0,
upper_seismogenic_depth=0.0,
lower_seismogenic_depth=10.0,
msr=WC1994(),
rupture_aspect_ratio=2.0,
temporal_occurrence_model=PoissonTOM(1.0),
aseismic_coeff=0.9,
oqsource=False):
"""
:parameter filename:
The name of the .geojson file with fault data
:parameter slip_rate_class:
TODO: so far works only for slip_rate_class = "suggested/preferred"
"""
logging.info('Reading %s and slip_type = %s' % (filename, slip_rate_class))
with open(filename, 'r') as data_file:
data = json.load(data_file)
print('---------------------------------------'
'---------------------------------------')
# Configuration parameters to create the sources
# TODO:
# use b_gr values from the area_sources and not a generic value
# to test the whole processing
# LOOP over the faults/traces
srcl = []
for idf, feature in enumerate(data['features']):
source_id = '{0:d}'.format(idf)
tectonic_region_type = TRT.ACTIVE_SHALLOW_CRUST
fs_name = ''
ns_name = ''
# get fault name[s] - id
if feature['properties']['fs_name'] is not None:
fs_name = feature['properties']['fs_name']
if feature['properties']['fs_name'] is not None:
ns_name = feature['properties']['fs_name']
name = '{0:s} | {1:s}'.format(fs_name, ns_name)
if 'ogc_fid' in feature['properties']:
id_fault = feature['properties']['ogc_fid']
else:
id_fault = '%d' % (idf)
# get fault slip type
if feature['properties']['slip_type'] is not None:
slipt = feature['properties']['slip_type']
msg = 'Slip type value is [%s] for fault with name' % slipt
msg += '%s and id %s' % (name, id_fault)
logging.info(msg)
else:
msg = 'Slip type value is missing for fault with name'
msg += '%s and id %s' % (name, id_fault)
logging.warning(msg)
# get dip direction
if feature['properties']['ns_dip_dir'] is not None:
dip_dir = feature['properties']['ns_dip_dir']
print("'dip_dir'= ", dip_dir)
else:
msg = 'Dip direction value is missing for fault with name'
msg += '%s and id %s' % (name, id_fault)
logging.warning(msg)
# JUST FOR TESTING REASONS
dip_dir = "N"
print("dip_dir fazzula= ", dip_dir)
# continue
# Get the tuples
dipt = get_tples(feature['properties']['ns_average_dip'])
print("dipt= ", dipt)
raket = get_tples(feature['properties']['ns_average_rake'])
print("raket= ", raket)
sliprt = get_tples(feature['properties']['ns_net_slip_rate'])
print("sliprt= ", sliprt)
shor_rd = get_tples(feature['properties']['ns_shortening_rate'])
print("shortening_rate= ", shor_rd)
vert_rd = get_tples(feature['properties']['ns_vert_slip_rate'])
print("vertical_slip_rate= ", vert_rd)
stk_rd = get_tples(feature['properties']['ns_strike_slip_rate'])
print("strike_slip_rate= ", stk_rd)
# Set the value to be used [suggested, min, max]
if slip_rate_class is 'suggested':
valid_dip = False
# Dip values
dip = dipt[0]
if dip is not None:
valid_dip = _is_valid_dip(dip)
if valid_dip:
print("Dip value = ", dip)
msg = 'Dip value is [%s] for fault with name' % (dip)
msg += '%s and id %s' % (name, id_fault)
logging.info(msg)
# if dip is None, but slip_type is available
elif (dip) is None and (slipt) is not None:
dip = get_dip_from_slip_type(slipt)
print('Dip value for id= %s is missing and was computed using '
'slipt= %s, new dip= %s ' % (id_fault, slipt, dip))
# if dip is None, but slip_type is available
elif (dip) is None and (slipt) is None:
msg = ('Dip value is missing and could not be computed for'
' fault with name ')
msg += '%s and id %s' % (name, id_fault)
logging.warning(msg)
continue
valid_rake = False
# Rake values
rake = raket[0]
if rake is not None:
valid_rake = _is_valid_rake(rake)
if valid_rake:
print("Rake value = ", dip)
msg = 'Rake value is [%s] for fault with name' % rake
msg += '%s and id %s' % (name, id_fault)
logging.info(msg)
# if rake is None, but slip_type is available
elif (rake) is None and (slipt) is not None:
rake = get_rake_from_rup_type(RAKE_CLASS, slipt)
print('Rake value for id= %s is missing and was computed using'
' slipt= %s, new rake= %s ' % (id_fault, slipt, rake))
msg = ('Rake value is [%s] for slip_type= %s for fault with'
' name' % (rake, slipt))
msg += '%s and id %s' % (name, id_fault)
logging.info(msg)
# if rake and slip_type are not available
elif (rake) is None and (slipt) is None:
msg = ('Rake value is missing or could not be computed for'
' fault with name ')
msg += '%s and id %s' % (name, id_fault)
logging.warning(msg)
continue
# Slip rate values [shortening, vertical, strike_slip, net_slip]
# If net_slip value is not available, a value is computed when
# other component are present in the database
slipr = sliprt[0]
shor_rv = shor_rd[0]
stk_rv = stk_rd[0]
vert_rv = vert_rd[0]
msg = ('slipr= %s, shor_rv= %s , stk_rv= %s, vert_rv= %s for'
' fault with name ' % (slipr, shor_rv, stk_rv, vert_rv))
msg += '%s and id %s' % (name, id_fault)
logging.info(msg)
if (slipr) is None and (shor_rv, stk_rv, vert_rv):
print('slipr= %s' % slipr)
print('shor_rv= %s , stk_rv= %s, vert_rv= %s ' %
(shor_rv, stk_rv, vert_rv))
slipr = get_net_slip(dip, rake, shor_rv, stk_rv, vert_rv)
if slipr is None:
msg = 'net_slip value is missing or can not be computed'
msg += 'for fault with name %s and id %s' % (name, id_fault)
logging.warning(msg)
continue
# Finally the net_slip is penalized using the aseismic_coeff
net_slip = aseismic_coeff * float(slipr)
print('net_slip value for id= %s is net_slip= %s [slipr = %s] ' %
(id_fault, net_slip, slipt))
msg = ('net_slip value [%.2f] computed for fault with name ' %
(net_slip))
msg += ' %s and id %s' % (name, id_fault)
logging.info(msg)
elif slip_rate_class is 'min':
# Dip values
dip = dipt[1]
if (dip) is None and (slipt):
# MN: get_dip_from_slip_dir UNDEFINED, probably the
# method name is changed
dip = get_dip_from_slip_dir(slipt)
print('Dip value for id= %s is missing and was computed using'
' slipt= %s, new dip= %s ' % (id_fault, slipt, dip))
else:
msg = 'Dip value is missing for fault with name '
msg += '%s and id %s' % (name, id_fault)
logging.warning(msg)
# continue
# Rake values
rake = raket[1]
if (rake) is None and (slipt):
rake = get_rake_from_rup_type(RAKE_CLASS, slipt)
print('Rake value for id= %s is missing and was computed using'
' slipt= %s, new rake= %s ' % (id_fault, slipt, rake))
else:
msg = 'Rake value is missing for fault with name '
msg += '%s and id %s' % (name, id_fault)
logging.warning(msg)
# continue
# Slip rate values [shortening, vertical, strike_slip, net_slip]
# If net_slip value is not available, a value is computed when
# other component are present in the database
slipr = sliprt[1]
shor_rd = shor_rv[1]
stk_rd = stk_rv[1]
vert_rv = vert_rd[1]
if (slipr) is None and (shor_rv, stk_rv, vert_rv):
slipr = get_net_slip(shor_rv, stk_rv, vert_rv)
else:
msg = 'net_slip value is missing or not can be computed'
msg += 'for fault with name %s and id %s' % (name, id_fault)
logging.warning(msg)
continue
# Finally the net_slip is penalized using the aseismic_coeff
net_slip = aseismic_coeff * float(slipr)
elif slip_rate_class is 'max':
# Dip values
dip = dipt[2]
if (dip) is None and (slipt):
# MN: get_dip_from_slip_dir undefined
dip = get_dip_from_slip_dir(slipt)
print('Dip value for id= %s is missing and was computed using '
'slipt= %s, new dip= %s ' % (id_fault, slipt, dip))
else:
msg = 'Dip value is missing for fault with name '
msg += '%s and id %s' % (name, id_fault)
logging.warning(msg)
# continue
# Rake values
rake = raket[2]
if (rake) is None and (slipt):
rake = get_rake_from_rup_type(RAKE_CLASS, slipt)
print('Rake value for id= %s is missing and was computed '
'using slipt= %s, new rake= %s ' %
(id_fault, slipt, rake))
else:
msg = 'Rake value is missing for fault with name '
msg += '%s and id %s' % (name, id_fault)
logging.warning(msg)
# continue
# Slip rate values [shortening, vertical, strike_slip, net_slip]
# If net_slip value is not available, a value is computed when
# other component are present in the database
slipr = sliprt[2]
shor_rd = shor_rv[2]
stk_rd = stk_rv[2]
vert_rv = vert_rd[0]
if (slipr) is None and (shor_rv, stk_rv, vert_rv):
slipr = get_net_slip(shor_rv, stk_rv, vert_rv)
else:
msg = 'net_slip value is missing or not can be computed'
msg += 'for fault with name %s and id %s' % (name, id_fault)
logging.warning(msg)
continue
# Finally the net_slip is penalized using the aseismic_coeff
net_slip = aseismic_coeff * float(slipr)
else:
raise ValueError('Invalid slip_rate_class')
# Get fault trace geometry
fault_trace = get_line(numpy.array(feature['geometry']['coordinates']))
# Get dip direction angle from literal and strike from trace geometry
mean_az_from_trace = _get_mean_az_from_trace(fault_trace)
valid_az = False
valid_az = _is_valid_strike(mean_az_from_trace)
if valid_az:
# print("Mean azimuth value from trace = ", mean_az_from_trace)
msg = ('Mean azimuth value is [%s] for fault with name' %
(mean_az_from_trace))
msg += '%s and id %s' % (name, id_fault)
logging.info(msg)
dip_dir_angle = _get_dip_dir_from_literal(dip_dir)
# Check if it's necessary to revert the fault trace
if (dip_dir_angle is not None
and _need_to_revert(mean_az_from_trace, dip_dir_angle)):
new_fault_trace = _revert_fault_trace(fault_trace)
logging.info('The fault trace for id= %s was reverted' % id_fault)
else:
new_fault_trace = fault_trace
if new_fault_trace:
fault_trace = new_fault_trace
# Get L from srl - See Table 5 of Leonard 2010
# SRL: surface rupture length [km]
# RLD: Subsurface horizontal rupture length [km]
# IF SRL/RLD < 5. km the fault will be exclused
srl = fault_trace.get_length()
rld = 10**((numpy.log10(srl) + 0.275) / 1.1)
if rld < 5.0:
msg = 'SRL/RLD value is < 5.0 km for fault with name '
msg += '%s and id %s' % (name, id_fault)
logging.warning(msg)
continue
# Witdh
width, cl = get_width_from_length(rld, slipt)
# print("id=, %s, srl=, %.2f, rld=, %.2f, width=, %.2f,
# slipt=, %s, cl=,%s "%(id_fault, srl, rld, width, slipt,cl))
msg = ("id=, %s, srl=, %.2f, rld=, %.2f, width=, %.2f, slipt=, %s,"
" cl=,%s " % (id_fault, srl, rld, width, slipt, cl))
logging.info(msg)
# Get lower seismogenic depth from length
lsd = width * numpy.sin(numpy.radians(float(dip)))
lower_seismogenic_depth = lsd
# create the surface from fault data
sfce = SimpleFaultSurface.from_fault_data(fault_trace,
upper_seismogenic_depth,
lower_seismogenic_depth, dip,
rupture_mesh_spacing)
# compute the area of the surface
area = sfce.get_area()
# compute the Mmax
m_upp = msr.get_median_mag(sfce.get_area(), rake)
if m_upp < m_low:
msg = 'Mx [%.2f] is lesser than Mmin [%.2f] for fault with name '\
% (m_upp, m_low)
msg += '%s and id %s' % (name, id_fault)
logging.warning(msg)
tstr = '%3s - %-40s %5.2f' % (id_fault, name, m_upp)
logging.info(tstr)
if net_slip is not None:
slip_rate = net_slip
print("slip_rate= ", slip_rate)
else:
continue
# constrainig the computation
# Mx > Mmin=m_low
# slip_rate >= 1e-10
if slip_rate is not None and slip_rate >= 1e-10 and m_upp > m_low:
# compute rates
rates = rates_for_double_truncated_mfd(area, slip_rate, m_low,
m_upp, b_gr, bin_width)
# MFD
mfd = EvenlyDiscretizedMFD(m_low + bin_width / 2, bin_width, rates)
# Source
if oqsource:
src = SimpleFaultSource(
source_id, name, tectonic_region_type, mfd,
rupture_mesh_spacing, msr, rupture_aspect_ratio,
temporal_occurrence_model, upper_seismogenic_depth,
lower_seismogenic_depth, fault_trace, dip, rake)
else:
src = OQtSource(source_id, source_type='SimpleFaultSource')
src.name = name
src.tectonic_region_type = tectonic_region_type
src.mfd = mfd
src.rupture_mesh_spacing = rupture_mesh_spacing
src.slip_rate = slip_rate
src.msr = msr
src.rupture_aspect_ratio = rupture_aspect_ratio
src.temporal_occurrence_model = temporal_occurrence_model
src.upper_seismogenic_depth = upper_seismogenic_depth
src.lower_seismogenic_depth = lower_seismogenic_depth
src.trace = fault_trace
src.dip = dip
src.rake = rake
print('right')
srcl.append(src)
return srcl