How does a seismograph help scientist predict earthquakes?

Answer 1

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The sesimograph records information about earthquakes that have alresy happened. Information from seismographs in different locations can be used to map the location of the earthquake.

Indirectly the earthquake locations on the map can show where there are zones where they occur.

But at this point we can predict certain locations like areas of California and Japan where they are likely to occut but can predict that an earthquake will happen on a certain date in the future.

Answer 2

It doesnt - it records seimic activity as it happens.

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Is the information from a seismograph used to predict an earthquake?

Answer 3

It does'nt predict quakes. It measures the intensity. Until now scientists are finding some means to predict earthquakes. Reactions of some animals are even of potential help.

Source(s): science

Answer 4

Seismometers is of Greek origin and comes from Seism - "the shakes" and Meteo - I measure" are instruments that measure and record motions of the ground, including those of seismic waves generated by earthquakes, nuclear explosions, and other seismic sources. Records of seismic waves allow seismologists to map the interior of the Earth, and locate and measure the size of these different sources.

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Source(s): http://en.wikipedia.org/wiki/Seismograph