Seismic Hazard Assessment for the Tianshui Urban Area, Gansu Province, China

Table 2

Source parameters for scenario A.

Parameter	Value
Seismic moment	2.21 × 10^27 dyn-cm
Stress drop	50.72 bars
Length of fault plane	60 km
Width of fault plane	21.5 km
Epicentral location	34.529°/105.786°
Hypocentral depth	19.93 km
Maximum subevent radius	5.25 km
Minimum subevent radius	0.5 km
Dip of fault plane	68°
Strike of fault plane	128°
Rupture velocity	2.8 km/s
Rake	0°