GEOLOGY

EARTH SCIENCE

VOLCANOES

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

This is one of the instruments geologists use to monitor and detect changes in elevation and tilt caused by moving magma?

A	thermometer
B	anemometer
C	psychrometer
D	tiltmeter

Explanation:

Detailed explanation-1: -Tiltmeters and strainmeters measure subtle changes in ground slope and shape at volcanoes.

Detailed explanation-2: -Tiltmeters are a type of inclinometer that continuously monitor even the minor rotation, deflection, & deformation of retaining walls, diaphragms, volcanoes, dams, landslides etc. Beam Sensor, on the other hand, is similar to an El tiltmeter, designed to monitor differential movement and tilting of structures.

Detailed explanation-3: -: an instrument to measure the tilting of the earth’s surface.

Detailed explanation-4: -Ans – B ( Tiltmeter) Since 1912, Tiltmeter has been used as an active volcanic observatory.

Detailed explanation-5: -Tiltmeters. Scientists use tiltmeters to measure extremely subtle changes in a volcano’s slope. Gas Samples. A geologist cools a sample of molten lava in a can of water. Thermal Imagers. Seismic Monitors. Radar Mapping Instruments. 11-Aug-2010

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