地震活动

肯尼亚北部也感觉到了最近的地震活动。

The latest seismic activity was also felt in northern Kenya .

地震活动性参数b值和年发生率的一种取值方法

A method to get seismic activity parameter b value and annual occurrence rate

地震活动性新指标η、c在综合概率预报中的应用

Application of new seismicity indexes η, c to comprehensive probability forecast

地震活动性参数b，η，c在中短期地震预报中的综合应用

Synthetic Application of Seismicity Parameters b , η, c in Medium and Short-Term Earthquake Prediction

利用GPS资料研究区域地壳应力场变化与地震活动关系

Relationship between regional stress field variation and earthquake activities from GPS data

西北GPS网络重力场变化及地震活动分析

Gravity field variation and seismicity analysis in GPS network in Northwest China

固体潮高时段地震活动特征与小震调制比Rm异常的判定

The characteristics of seismicity during higher earth tides and the determination of anomalies of small earthquake modulation ratio r_m

用Fisher方法划分地震活动期

Dividing active periods of the earthquakes with Fisher method

地震活动性总体参量Rt及其在地震预测中应用的研究

Study on the integrated parameter R_t of seismic activity and its application to earthquake prediction

利用哈佛CMT目录研究全球Ⅰ级构造系统的地震活动

Seismicity of global tectonic systems obtained from Harvard CMT catalogue

结果表明在Z.地震活动性的标度

The transketolase activity of Z. SEISMICITY SCALE

本文用韦布尔（Weibull）分布对东北中强地震活动进行了概率统计分析，得到了各地震区中强地震的平均复发周期和发震概率。

Recurrence period and probability of moderately strong earthquake in every seismic zone in North-East China are obtained with Weibull distribution .

利用GPS、连续倾斜和地震活动性资料分析了伽师地区构造活动的特点和伽师强震群的动力背景。

On the basis of the data of GPS , continuous tilt and seismic activity we researched the tectonic characteristics in southern Tianshan mountain area and dynamic background of 1997 Jiashi earthquakes .

针对中国大陆东、西部地震活动水平的差异，以东经107°为界用二种方案进行地震预报效能检验的R值评分。

Corresponding to different seismic activity between eastern China and western China , two schemes , which adopt different magnitude floor levels bounded as longitude 107 degrees eat , are chosen to calculate R-value .

理论分析表明，参数k以0为界，不同的取值表征了不同的地震活动状态，这与地震趋势估计及后续地震预测密切相关。

The theoretical analysis shows that parameter k has zero as the boundary and the different value indicts different state of seismic activity , which is closely related to earthquake trend estimation and prediction of follow shocks .

在考虑Q值与频率相点的情况下，发现频率相关值η在地震活动频繁的地区比较高，而在相对平静的地区比较低。

Considering the relationship of Q value and frequency , the frequency dependent η values have been found to be comparatively high in the seismically active area and low in the relatively quiescent area .

本文着重研究了滇西地区（N23.5°～28°；E97.5°～101.5°E）地震活动概况、地震时空展布、地震活动特点以及震源深度分布。

General seismicity , time-space distribution of earthquakes , seismicity features and focal depths distribution in Western Yunnan ( 23.5 ° - 28 ° N , 97.5 ° - 101.5 ° E ) have been studied in this paper .

重要的是，在震源区附近有一条近NE向活动断裂贯穿而过，它在这400年间释放出的地震活动能量占福建地区（含近邻）所释放地震活动能量的绝大部分。

The important information is that there is a nearly NE-striking active fault going through the seismic source area , and most of the earthquake energy is released from this fault .

系统研究了多种地震活动性方法后认为，1970年以来华北地区发生的Ms≥5.8中强震前，约83%具有3级或4级地震异常条带、孕震空区及信号震出现。

After studying different kinds of earthquake activities systematically , we have found that about 83 % of the anomalous seismic bands , seismogenic gaps and signal earthquakes with magnitudes 3 or 4 appeared at the same time before moderately strong earthquakes ( ML36 ) since 1970 in North China .

分析了潜在震源区划分范围，震级上限Mu及β值等地震活动性参数的不确定性对地震危险性分析的影响，其结果可供地震区划及工程地震等工作者参考。

Influences of uncertainties in seismicity parameters , such as confines of potential earthquake source region , upper limit of magnitude , Mu and β value , on calculated seismic risk have been analyzed . The results of this study are of value for seismic regionalization and engineering seismology .

综述了极大熵谱分析的原理及Burg递推算法，选取应变能∑E1~（1/2）地震活动度∑A1为采样序列，对三个时段的资料进行了极大熵谱分析。

The principle of maximum entropy analysis and Burg recurrence algorithm have been described in this paper . The sampling sequences of the strain energy E and degree of seismic activity Σ Ai have been chosen to carry out the maximum entropy analysis on three-time intervals .

合肥地区地震活动性及地震地质构造背景分析

Analysis of Seismic Activity and Seismogeological Structure Background in Hefei Area

青海省区域地震活动的自然节律

The natural rhythm analysis of the regional seismicity in Qinghai Province

受火山构造环境影响，地震活动存在着外围边缘强，震源深度分布深；

Volcanic tectonic environment has influence on seismicity in the area .

长白山天池火山地震活动机理研究

Research on the volcanic earthquake activity mechanism in Changbaishan Tianchi area

地震活动性的层次模型及推导的地震活动经验公式和分维性质

Hierarchy Model of Seismicity and its Empirical Formulas and Fractal Nature

河北省及邻区地震活动时间间隔的一些特征

Characteristics of earthquake active interval in Hebei and its neighboring area

渭河盆地地震活动性分区模糊综合评判

The fuzzy comprehensive evaluation of the seismicity zoning of Weihe Basin

山东地区及其海域地震活动时、空特征

Spatial-temporal characteristics of earthquake activity in Shandong and its sea area

冀中拗陷地温场与地震活动性的关系

Relation between geothermal field and earthquake activity in central Hebei depression