What is a seismograph your answer?

What is a seismograph your answer?

A seismograph, or seismometer, is an instrument used to detect and record earthquakes. Generally, it consists of a mass attached to a fixed base. During an earthquake, the base moves and the mass does not. Seismograph generally refers to the seismometer and its recording device as a single unit.

Where is seismograph located in India?

The National Seismological Database Centre is located at New Delhi. The Central Receiving Station, which is also located at New Delhi, maintains a round the clock vigil on the occurrence of earthquakes and disseminates the information to the goverment authorities and media.

What is a seismograph seismometer quizlet?

Terms in this set (20) seismology. the study of earthquakes. deformation. the bending, tilting, and breaking of earth’s crust; the change in the shape of rock in response to stress.

What is the purpose of a seismograph during an earthquake?

Seismographs are instruments used to record the motion of the ground during an earthquake. They are installed in the ground throughout the world and operated as part of a seismographic network.

What’s the difference between a seismograph and a Richter scale?

A seismograph is an instrument used to detect and record earthquakes. It is also known as a seismometer. It records the motion of the ground during a quake. The Richter scale is a numerical value used to measure the power or magnitude of earthquakes.

Who was the first person to invent the seismograph?

The earliest “seismoscope” was invented by the Chinese philosopher Chang Heng in A.D. 132. This did not, however, record earthquakes; it only indicated that an earthquake was occurring. The first seismograph was developed in 1890.

Where are seismometers used in the United States?

Seismometers (instruments for recording earthquakes) are tested and fitted at the USGS Cascades Volcano Observatory before going out into the field. USGS scientist John Hamilton installing a seismograph in the offices of the major-league soccer team San Jose Earthquakes’ new stadium.