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As magma, or molten rock, moves underground it creates earthquakes. The signature of magma-driven seismic waves is different from that of normal tectonic earthquakes. With multiple seismometers it is possible to determine where earthquakes are and whether or not they are migrating. If earthquakes are moving closer to the surface and closer to a volcano, that is a sign it might be getting ready for an eruption.

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Related Questions

Which instrument is commonly used to record intensity of earthquakes?

Seismometer


What name is given to the instrument used to measure earthquakes?

A seismometer.


What device is used for measuring earthquake?

The device used for measuring earthquakes is called a seismometer.


What is used to measure moonquakes?

A seismometer would measure earthquakes, but there is no such activity on the moon to measure.


An instrument used to detect and record earthquakes?

A seismometer is used to detect and record earthquakes by measuring the motion of the ground. It consists of a mass suspended on a spring that moves with the vibrations caused by an earthquake, which is then recorded on a seismograph.


What do you call an instrument used to detect and record earthquakes?

Seismometer (or seismograph) and it measure seismic waves


What equipment is used for measuring earthquakes?

seismometer, also known as a seismograph. which record seismic waves


What devices monitor volcanoes to predict when they will erupt?

Seismometer


What is the name of the instrument used to measure seismic activity?

A seismometer (replacing the outdated term seismograph), but other instruments may also respond to an earthquake. The simplest example of a seismograph is a pendulum.


What is the instrument that can measure the intensity of earthquakes?

A seismogragh and/or seismometer.


An instrument used to record earhtquake waves is called a?

Earthquakes are measured by a seismometer, also known as a seismograph.


Were is there no earthquakes or volcanoes?

THERE is no earthquakes or volcanoes in space or in europe