Results 81 to 90 of about 14,357 (245)

Video camera and seismic monitoring of water bulge explosion at Strokkur Geyser, Iceland

open access: yesVolcanica
Eruptions of volcanoes and geysers share many fundamental similarities: for example, they are manifestations of Earth’s geothermal energy, involving the pressure-driven expulsion of fluids from the Earth’s interior.
Eva P. S. Eibl   +4 more
doaj   +1 more source

Design of solar power system for the new mini region of broadband seismometer shelter in Tiganderket, Karo, North Sumatera, Indonesia

open access: yesCase Studies in Thermal Engineering, 2020
The solar power installation on a new broadband seismometer shelter will greatly be affected by the quality of waveform data. The lower power means a physically smaller footprint and a less costly installation for a new station which must be located far ...
Marzuki Sinambela   +4 more
doaj   +1 more source

Long term study of the seismic environment at LIGO

open access: yes, 2004
The LIGO experiment aims to detect and study gravitational waves using ground based laser interferometry. A critical factor to the performance of the interferometers, and a major consideration in the design of possible future upgrades, is isolation of ...
  +21 more
core   +3 more sources

Seismographic recording of large rocket engine operation [PDF]

open access: yes, 1969
Recording equipment for rocket engine vibration is adaptable to determining the structural strength of building materials. This seismographic system is portable and is capable of measuring displacements in the direction of three mutually perpendicular ...
Dalins, I., Mc Carty, V.
core   +1 more source

Optimism Experiment and Development of Space-qualified Seismometers in France [PDF]

open access: yes
The OPTIMISM experiment will put two magnetometers and two seismometers on the Martian floor in 1995, within the framework of the Mars '94 mission. The seismometers are put within the two small surface stations. The seismometer sensitivity will be better
Karczewski, J. F., Lognonne, P.
core   +1 more source

Monolithic folded pendulum accelerometers for seismic monitoring and active isolation systems [PDF]

open access: yes, 2006
A new class of very low noise low-frequency force-balance accelerometers is presented. The device has been designed for advanced mirror isolation systems of interferometric gravitational wave detectors.
Bertolini, Alessandro   +3 more
core  

利用P波质点运动估算中国东北地区固定台站地震计方位角

open access: yesDizhen xuebao
现代地震研究依赖于可靠的三分量观测数据,地震计的北分量是否严格指北将直接影响研究的准确性。然而,受台站附近磁异常或人为安装错误的影响,地震计的方位角可能出现偏差。基于东北地区154个固定台站2020年的远震数据,利用P波质点运动方法,估算了每个台站的北向分量方位角,以判断台站地震计是否存在方位角偏转问题。结果表明,84%的台站运行良好,12%的台站存在方位角偏差绝对值过大(>20°)或分量极性反转等问题。此外,分析后发现方位角偏转较大会导致H-κ叠加方法计算得到的地壳厚度和地震波速比出现偏差。因此 ...
Guangjie Han, Wenze Deng, Zhigao Yang
doaj   +1 more source

Filming seismograms and related materials at the California Institute of Technology [PDF]

open access: yes, 1982
As part of a world-wide effort to create an international earthquake data bank, Caltech's seismology archive has been organized, labeled, described, and microfilmed.
Goodstein, Judith R.
core  

NASA’s InSight mission on Mars—first glimpses of the planet’s interior from seismology

open access: yesNature Communications, 2020
NASA’s InSight mission is the first lander to deploy a seismometer on a planetary body since more than 40 years. With a year of seismic data from Mars, new discoveries on Mars’ tectonics and interior structure are just emerging.
Brigitte Knapmeyer-Endrun   +1 more
doaj   +1 more source

The Viking seismometry [PDF]

open access: yes
Efforts were made to determine the seismicity of Mars as well as define its internal structure by detecting vibrations generated by marsquakes and meteoroid impacts.
Anderson, D. L.   +9 more
core   +1 more source

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