Results 211 to 220 of about 3,501 (257)
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IEEE Spectrum, 2007
This paper presents NASA scientist Friedemann Freund's experiments on why radio frequency phenomena precede some earthquakes. He demonstrated in the laboratory how the earth's crust can act as a gigantic battery to drive a geological radio circuit that extends more than 30 kilometers below the ground.
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This paper presents NASA scientist Friedemann Freund's experiments on why radio frequency phenomena precede some earthquakes. He demonstrated in the laboratory how the earth's crust can act as a gigantic battery to drive a geological radio circuit that extends more than 30 kilometers below the ground.
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Earthquake Early Warning System
2020Earthquake early warning is considered as one of the real-time earthquake damage mitigation measures which detects seismic waves, analyzes and transmits information of the impending ground shaking at the potential user site. Earthquake warning is issued in order to reduce the damage caused by earthquake such as trains speed can be reduced, and people ...
Aarti Taneja +2 more
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Performance-based earthquake early warning
Soil Dynamics and Earthquake Engineering, 2011Significant investments are undergoing internationally to develop earthquake early warning (EEW) systems. So far, reasonably, the most of the research in this field was lead by seismologists as the issues to determine essential feasibility of EEW were mainly related to the earthquake source. Many of them have been brilliantly solved, and the principles
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The Potential for Earthquake Early Warning in Southern California
Science, 2003Earthquake mitigation efforts in the United States currently use long-term probabilistic hazard assessments and rapid post-earthquake notification to reduce the potential damage of earthquakes. Here we present the seismological design for and demonstrate the feasibility of a short-term hazard warning system.
Allen, Richard M., Kanamori, Hiroo
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An emergency Earthquake warning system for land mobile vehicles using the earthquake early warning
2008 IEEE International Conference on Vehicular Electronics and Safety, 2008This paper describes a study of an emergency earthquake warning system for land mobile vehicles using the Earthquake early warning in Japan, First, estimation accuracy of seismic wave is evaluated at a local area, when using both the position information and the soil information database in addition to the Earthquake early warning, and it is shown that
Tomotaka Nagaosa, Seitaro Moriya
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Residents’ Reactions to Earthquake Early Warnings in Japan
Risk Analysis, 2019AbstractThis article empirically examines the effectiveness of earthquake early warning (EEW) in Japan based on experiences of residents who received warnings before earthquake shaking occurred. In Study 1, a survey (N = 299) was conducted to investigate residents’ experiences of, and reactions to, an EEW issued in Gunma and neighboring regions on June
Kazuya Nakayachi +3 more
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Automated decision procedure for earthquake early warning
Engineering Structures, 2007Early warning systems represent an effective tool for disseminating timely information about potentially catastrophic hazards to the public, emergency managers, and operators and users of transportation systems, industrial facilities, public buildings including schools and government offices, and private residences.
V. F. Grasso +2 more
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A MacBook based earthquake early warning system
2016 IEEE Conference on Computer Communications Workshops (INFOCOM WKSHPS), 2016We demonstrate an early stage of our prototypical development of an earthquake early warning system based on Apple's MacBook computers. This system, called MacSeisApp, utilizes the Sudden Motion Sensors in MacBooks to detect seismic activities. It is inspired by an existing application called SeisMac, which turns a MacBook computer into a seismograph ...
Shayan Mehrazarin +4 more
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Crowdsourcing earthquake early warnings
Science, 2016Seismology The rapid distribution of earthquake warnings can reduce resulting loss of life and injury. Most earthquake early warning systems are based on data from specially designed seismic and geodetic networks. Kong et al. developed a system that gathers and distributes earthquake data from smartphone sensors, substantially improving our ability to ...
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An Open‐Source Earthquake Early Warning Display
Seismological Research Letters, 2016We present the earthquake early warning display (EEWD), an effort to build a free and open‐source software to display earthquake early warning (EEW) information. The EEWD design and development builds on the experience of the Swiss Seismological Service at ETH Zurich in running the ShakeAlert UserDisplay developed by Caltech in California.
Cauzzi C. +5 more
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