Results 31 to 40 of about 18,026,660 (230)

四川锦屏水电站地区的剪切波分裂参数变化

open access: yesDizhen xuebao, 2018
通过分析四川锦屏水电站地区2012年1月至2013年12月库区的地震活动性和木里台的剪切波分裂参数变化,研究了水电站3次大规模蓄水对该地区地震活动性和地壳应力的影响. 结果显示:经3次蓄水,该地区的地震活动呈持续增强趋势,最终保持在较高水平,尤其是第二次蓄水之后,地震活动增强最为明显;木里台的快剪切波偏振方向在锦屏水电站3次蓄水前后表现出明显的变化.
Sha Liu, Peng Wu
doaj   +1 more source

Regional Seismic Wavefield Propagation [PDF]

open access: yes, 2004
Through the examination of local and regional seismic waveform data the crust and upper mantle of southern California are investigated. Using local and regional seismic phases such as Pn, Sn, PL, and surface waves, seismic wave velocities of interesting
Savage, Brian Kirk
core   +1 more source

Seismicity of the south of the Russian Far East in 2024 [PDF]

open access: yesГеосистемы переходных зон
The paper continues the series of annual brief reviews of the seismicity in the southern part of the Russian Far East, based on the data from the catalog of the “Yuzhno-Sakhalinsk” Regional Information Processing Center of the Sakhalin Branch of the ...
Safonov, Dmitry A.   +3 more
doaj   +1 more source

Проявления глобальных возмущений геомагнитного поля в динамике гроз

open access: yesVestnik KRAUNC: Fiziko-Matematičeskie Nauki, 2021
Используя метод диагностики электрического состояния грозовой атмосферы по вариациям вторичных частиц космических лучей, регистрируемых установкой «Ковёр» БНО ИЯИ РАН, обнаружено явление взаимного влияния магнитосферной бури и грозовой активности ...
Хаердинов, Н.С.   +6 more
doaj   +1 more source

Some Investigations on a Possible Relationship between Ground Deformation and Seismic Activity at Campi Flegrei and Ischia Volcanic Areas (Southern Italy)

open access: yesGéosciences, 2019
In the present paper, we analyse ground tilt and seismicity at Campi Flegrei caldera and Ischia Island, two volcanic areas located in the south of Italy.
C. Ricco   +4 more
semanticscholar   +1 more source

Seismic soil pile interaction:experimental evidence [PDF]

open access: yes, 2009
The comprehension of the real behaviour of pile foundations under earthquake loading is very important, since it can significantly affect the performance of the superstructure.
Moccia, Flaviana
core   +1 more source

Deformation-Electromagnetic Relations in Lithospheric Activity Manifestations

open access: yesE3S Web of Conferences, 2018
It has been shown that dipole radiation of accelerated charges, described by Larmor relation, is the basis of the known mechanic-electromagnetic processes of rock deformation.
Larionov Igor   +2 more
doaj   +1 more source

Correlation between seismic activity and acoustic emission on the basis of in situ monitoring

open access: yesNatural Hazards and Earth System Sciences
. Since April 2023 an in situ experimental campaign has been underway in a granite underground tunnel, which is a dedicated monitoring platform located in Southeast China.
Zhiwen Zhu   +3 more
semanticscholar   +1 more source

Swedish National Seismic Network

open access: yes, 1904
The Swedish National Seismic Network (SNSN) started with the installation of a Wiechert seismograph in Uppsala in 1904. Since 1998 the SNSN is a part of the Department of Earth Sciences at Uppsala University.
Swedish National Seismic Network
core   +1 more source

Performance evaluation of Wied Dalam (WDD) seismic station in Malta [PDF]

open access: yes, 2014
The continual operation of a permanent seismograph, now exceeding a couple of decades in some cases, naturally involves changes of hardware and software over time.
Panzera, Francesco   +3 more
core   +1 more source

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