Seismic monitoring all over the globe registered a strange signal that repeated every 90 seconds over a whopping nine days, ...

one fibre-optic hydrophone and three fibre-optic accelerometers for the measurement of pressure waves and vibrations. The sensors are installed on the seafloor in a regular pattern, and seismic ...

Industries such as geophysics, aerospace, and navigation require these levels of precision for mapping underground structures ...

Abstract: MEMS based digital sensors are compared with conventional analog moving coil geophones used in the hydrocarbon seismic exploration. This paper attempts to address advantages of MEMS digital ...

The orientation of the supporting beams of the spring-mass systems allows the seismic mass to move in a direction orthogonal to the [111] planes. Four mass-spring systems, each one rotated by 90/spl ...

MANILA, Philippines — State seismologists observed an increase in the seismic activities of Bulusan and Kanlaon volcanoes on May 12. In an advisory issued Monday afternoon, the Philippine ...

Metallica can really rock it. So much, in fact, that the iconic rock band's latest concert at Virginia Tech registered seismic activity equivalent to a small earthquake. According to Rolling Stone ...

Portland Public Schools board members voted unanimously Tuesday night to earmark almost all uncommitted proceeds from its proposed $1.83 billion bond for seismic upgrades at elementary and middle ...

Recently, some national NCD surveillance systems have started using accelerometers as a measure of PA. The purpose of this paper was specifically to appraise the suitability and role of accelerometers ...

At Wednesday night's concert, more than 65,000 people packed the stands. Chapman said they made a seismic impact. What we recorded last night is a lot bigger than what we see at a football game ...

YANG BO/CHINA NEWS SERVICE At the heart of China's industrial revolution, a quiet yet seismic shift is unfolding. Once synonymous with mass production and low-cost labor, the nation's construction ...