摘要
The results of geological research show that those phenomena such as surface geology,geomorphology,deep geophysical field,and time-space distribution of seismicities can be usedas the main seismogeological indicators to identify the newly-generated seismic rupture zone(NSRZ).According to their formation and evolution process,the NSRZs can be divided intothree types:pre-rupture-isolated,quasi-rupture-discontinuous and major-rupture-connected.In a pre-rupture-isolated NSRZ,the seismicity is dominated by medium-small earthquakes.In a quasi-rupture-discontinuous NSRZ,the frequency and intensity of strong earthquakesincrease and there may even be the largest earthquake to occur.A major-rupture-connectedNSRZ is the segment where rupture has entered the mature stage;in such a zone,theintensity and duration of seismic activity depend on the constitutive condition and regionalstress field in the zone.
The results of geological research show that those phenomena such as surface geology, geomorphology, deep geophysical field, and time-space distribution of seismicities can be used as the main seismogeological indicators to identify the newly-generated seismic rupture zone (NSRZ). According to their formation and evolution process, the NSRZs can be divided into three types: pre-rupture-isolated, quasi-rupture-discontinuous and major-rupture-connected. In a pre-rupture-isolated NSRZ, the seismicity is dominated by medium-small earthquakes. In a quasi-rupture-discontinuous NSRZ, the frequency and intensity of strong earthquakes increase and there may even be the largest earthquake to occur. A major-rupture-connected NSRZ is the segment where rupture has entered the mature stage; in such a zone, the intensity and duration of seismic activity depend on the constitutive condition and regional stress field in the zone.
基金
This project was sponsored by the Nationnal Science Foundation(496742149),China.
