ANOMALIES

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Simulation analysis of regional surface mass anomalies inversion based on different types of constraints被引量：4
《Geodesy and Geodynamics》2021年第4期298-307,共10页Bo Zhong Jiangtao Tan Qiong Li Xianpao Li Tao Liu 
funded by the National Key Research and Development Program of China(Grant No.2018YFC1503503);the National Natural Science Foundation of China(Grant Nos.41974015,42061134007,41474019)。
Surface mass anomalies estimated by mass concentration(mascon)approach using Gravity Recovery and Climate Experiment(GRACE)observations with regularization constraints generally present higher spatial resolution than ...
关键词：Regional surface mass anomalies Regularization constraints Intersatellite geopotential differences GRACE mascon solutions Simulation analysis 
Possible precursory anomalies in ground water level associated with the Wenchuan Ms 8.0 earthquake in 2008,Sichuan,China
《Geodesy and Geodynamics》2020年第2期127-134,共8页Chenglong Liu Guangcai Wang Zheming Shi Dan Zhao Hui Zhang 
supported by the National Natural Science Foundation of China(41572238,U1602233);Special Funds for Scientific Research of the Institute of Geology,China Earthquake Administration(IGCEA1205);Special Projects for Seismological Community(200808079).
We have examined the water level data from 16 wells in Sichuan province,China,recorded before the Wenchuan Ms8.0 earthquake occurred in 2008.We found that the data of 5 among these wells exhibit possible precursory an...
关键词：WENCHUAN EARTHQUAKE PRECURSORY ANOMALIES Ground water level Temporal-spatial distribution SICHUAN PROVINCE 
Anomalies identification of Earth’s rotation rate time series (2012-2017) for possible correlation with strong earthquakes occurrence被引量：1
《Geodesy and Geodynamics》2019年第6期455-459,共5页Fabrizio Ambrosino Lenka Thinová Milos Briestensky Carlo Sabbarese 
support of the longterm conceptual development research organization RVO: 67985891;the project ’Centre of Advanced Applied Sciences’ (CZ.02.1.01/0.0/0.0/ 16_019/0000778)
The analysis of the Earth’s rotation rate time series,from January 1,2012 till December 31,2017,is performed using two different time series analysis methods,both based on signal decomposition joined with forecasting...
关键词：Earth’s ROTATION rate Time series analysis ANOMALIES detection EARTHQUAKE 
Crustal density structure of the southern segment of the Liaocheng-Lankao fault, China被引量：1
《Geodesy and Geodynamics》2019年第5期347-355,共9页Lei Jiang Lanbo Liu Zhiping Xu Xiaoguo Deng Lipu Yang Wei Xiong Shunqiang Xu 
financial support from China Scholarship Council;the support from the Seismic Youth Founding of GEC (Grant No. YFGEC2016008);the National Natural Science Foundation of China(Grant No. 41474077)
The 1:200,000 middle-large scale Bouguer gravity anomaly data covering the southern segment of the Liaocheng-Lankao fault(SLLF)and its vicinity are analyzed with two methods.First,the Bouguer gravity anomaly data are ...
关键词：SOUTHERN SEGMENT of the Liaocheng-Lankao fault(SLLF) Bouguer gravity ANOMALIES Density structure Dongming depression Multi-scale wavelet decomposition Epicenters of small EARTHQUAKES 
Anomalies of geomagnetic field related to natural and technogenic events in Charvak area被引量：1
《Geodesy and Geodynamics》2018年第5期367-371,共5页Valijon Yusupov 
fulfilled under financial assistance of the Program of Development of State Fundamental Investigations (2012-2016,F8-FА-0-69962) of the Committee for Coordination of Science and Technology Development under the Cabinet of Ministers of the Republic of Uzbekistan
Based on the long-term geomagnetic observations in the area of the Charvak reservoir,the analysis results of geomagnetic variations are presented in the article.It is revealed that local anomalies of geomagnetic field...
关键词：Geomagnetic anomalies SEISMICITY Technogenic event Charvak reservoir 
Pre-seismic ionospheric anomalies of the 2013 Mw=7.7 Pakistan earthquake from GPS and COSMIC observations被引量：1
《Geodesy and Geodynamics》2018年第5期378-387,共10页Munawar Shah Shuanggen Jin 
supported by the National Natural Science Foundation of China(NSFC) Project (11373059);Shanghai Science and Technology Commission Project(12DZ2273300);Key Laboratory of Planetary Sciences,Chinese Academy of Sciences
The seismo-ionospheric anomalies may provide some insights about the earthquake.However,preseismic ionospheric anomalies are still challenging.In this paper,seismo-ionospheric anomalies are investigated before the Sep...
关键词：Seismo-ionospheric disturbance GPS TEC COSMIC EARTHQUAKE 
Geological inferences about the upper crustal configuration of the Medellin-Aburra Valley(Colombia)using strong motion seismic records
《Geodesy and Geodynamics》2018年第1期67-76,共10页Jose David Henao Casas Gaspar Monsalve 
In regions of complex geology and tectonic assembly, strong motion seismic arrival time records can be used to test the plausibility of existing hypothesis about the origin of lithological and tectonic features and ho...
关键词：Aburrá Valley geology Strong motion networks Seismic wave arrivals Residuals Seismic anomalies 
Preliminary study of gravimetric anomalies in the Magallanes-Fagnano fault system,South America
《Geodesy and Geodynamics》2018年第1期42-49,共8页Juan Manuel Alcacer María Romina Onorato Laura P.Perucca Silvia Miranda 
funded through Project lE/750 CS-CICITCA and the permanent programs"South American Tectonics"and"Neotectonic of Argentina"executed by the Gabinete de Geomorfología y Neotectónica(INGEO-UNSJ)
The main objective of this research is to recognize several geological structures associated with the shear zones of the MFFS（Magallanes-Fagnano fault system） by the analysis and interpretation of gravimetric anomal...
关键词：Gravimetry Isostatic anomaly Magallanes-Fagnano fault system Argentina 
Ionospheric disturbances associated with the 2015 M7.8 Nepal earthquake被引量：4
《Geodesy and Geodynamics》2017年第4期221-228,共8页Yiyan Zhou Jian Yang Fuying Zhu Fanfan Su Liangchen Hu Wenbo Zhai 
supported by National Natural Science Foundation of China (41174030,41304047)
Based on the total electron content （TEC） derived from Global Positioning System （GPS） observations of the Crustal Movement Observation Network of China （CMONOC） and the Global Ionosphere Map （GIM） from the Ce...
关键词：GPS TEC M7.8 Nepal earthquake Pre-earthquake ionospheric anomalies CID 
Studies on earthquake precursors in China:A review for recent 50 years被引量：7
《Geodesy and Geodynamics》2017年第1期1-12,共12页Fuqiong Huang Mei Li Yuchuan Ma Yanyan Han Lei Tian Wei Yan Xiaofan Li 
partially supported by Natural Science Foundation of China(41274061)
Since the 1960s, China has been conducting a persistent and systematic observation and monitoring experiment to falsify the hypothesis of premonitory anomalies and the predictability of earthquakes and the application...
关键词：Earthquake precursorSeismicityGeomagnetic and geoelectric anomaliesGeodetic and gravity anomaliesHydro-seismic anomalies 
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