It was Milne who coined the word " seismometer " in 1841, to describe an instrument designed by James David Forbes.
32.
In each hole scientists will put a strainmeter, seismometer and tiltmeter _ which together keep track of building pressure and seismic movement.
33.
One of the earliest known uses of a pendulum was a 1st-century seismometer device of Han Dynasty Chinese scientist Zhang Heng.
34.
The first seismometer, an instrument capable of keeping a continuous record of seismic activity, was built by James Forbes in 1844.
35.
Was a Japanese Zhang Heng's seismometer ( 132 CE ), considered to have been the first such device ever made.
36.
This was the second largest Canadian earthquake ever recorded by a seismometer, after the 1949 Queen Charlotte Islands earthquake, about away.
37.
The project team tracked the seismometer capsule to impact just out of sight on the lunar far side, validating the communications and navigation system.
38.
They also dropped off a seismometer that for a half a dozen years continued transmitting evidence of tiny " moonquakes " back to Earth.
39.
The pivotal evidence for that finding came from a seismometer operated by the Incorporated Research Institutions for Seismology at the Kevo nature park in northern Finland.
40.
Its seismometer failed two months later because of a short circuit, but Chave and his colleagues plan to retrieve and repair the instrument in September.
