中源地震

蛇纹石脱水致裂作用是诱发大洋俯冲带中源地震（70~300km）的一种重要成因机制，它与中等深度双地震带的形成有很密切的关系。

Dehydration embrittlement of serpentine is an important trigger of intermediate-focus earthquakes ( 70 ~ 300 km ) in oceanic subduction zones , which is closely related to the formation of a double seismic zone at the depth range of 50 ~ 250 km .

2002年上半年，全球发生MW≥65地震16次，其中13次浅源地震，2次中源地震，1次深源地震；

During the first half of the year 2002 , there were 16 earthquakes of M ≥ 6.5 occurring in the world , including 13 shallow focus earthquakes , 2 intermediate focus earthquakes and 1 deep focus earthquake ;

中源地震3次；

Intermediate focus earthquakes ;

近场强地震动预测中浅源地震的Asperity模型特征

Characterizing a shallow earthquake asperity model for predicting near field strong ground motion

系统地描述了近场强地震动预测中浅源地震的凹凸体模型特征。

A shallow earthquake asperity model for predicting near field strong ground motions was systematically characterized .

选择了29个浅源地震的滑动分布，用来研究近场强地震动预测中浅源地震的凹凸体模型特征。

The slip distributions of 29 shallow earthquakes were selected to characterize a shallow earthquake asperity model for predicting near field strong ground motion .

中、深源地震主压应力方向随深度增加由NW向逐渐变为NE向，主压应力P轴仰角平缓。

The principal compressive stress direction of the intermediate and deep-focus earthquakes varies from NW to NE gradually with the depth rising . The axis P elevations of principal compressive stress are gentle .

西区发生的地震主要为中、深源地震，而东区发生的地震则全部为浅源地震；

In West Region are mainly intermediate and deep-focus earthquakes , while in East Region are all shallow focus ones .

着重研究了城市中危险源对地震次生火灾起火的影响，并建立了基于元胞自动机的城市区域火蔓延概率模型。

The effect of city hazards on post-earthquake fire was studied . A fire spreading probability model of city district based on cellular automata was developed .

帕米尔地区存在一个明显的NE&SW向中、深源地震带，中、深源地震震源机制分布具有明显的区域特征。

There obviously exists a intermediate and deep-focus earthquake zone striking northeast-southwest in the Painter region . The distribution of its focal-mechanism solutions is of apparent regional characteristics .

中源及深源地震序列中余震发生率的衰减特性

Aftershock occurrence rate decay properties for intermediate and deep earthquake sequences

下地震层位于大洋俯冲地幔中，可能是部分交代的地幔橄榄岩脱水控制着中源地震的分布。

The lower seismic plane is formed in subducting oceanic mantle and the loci of earthquakes are probably controlled by dehydration of locally hydrated uppermost mantle .