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German scientist Emil Wiechert invented the seismograph around the beginning of the 20th century.

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Q: When was the earthquakes indicators invented?
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Related questions

Why was seismoscope invented?

to detect earthquakes


Who invented the earliest tool for measuring earthquakes?

A Chinese scientist named Chang Heng invented a machine called Dragon Jar that was used to measure earthquakes.


Who invented the scale used to measure earthquakes?

Charles Richter


What is donabedian quality indicators?

It is structure indicators, process indicators and outcome indicators.


Who invented the tiltmeter?

The tiltmeter is an invention that helps predict earthquakes by detecting tilts in the earths crust. It was invented by George E. Merritt in 1932.


What are the weather types before a volcano?

Since a volcanic eruption is a geologic event rather than a weather event, there will be no indication from the weather prior to an eruption. There are, however, geologic indicators that can point to a future eruption. Indicators include earthquakes near the volcano, venting of hot gas, and deformation of the ground.


Why were earthquakes and tsunamis invented?

Because god wanted to make the earth a place full of disasters.


When did the ancient China change?

when zhang heng who seismograph invented it now people now when a earthquakes


What are easy earthquake questions?

Some good questions about earthquakes are:What is an earthquake?How long do earthquakes last?Is there an 'earthquake season' or 'earthquake weather'?Where is the safest place to be in an earthquake?Will the ground open up during an earthquake?What is a seismometer, seismograph, and a seismogram?When was the seismograph invented?What is the Richter Scale?Do many small earthquakes prevent larger earthquakes?Can we predict earthquakes?What is liquefaction?


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indicators that show a unit's daily routines.


What are OPSEC Activity tip-offs?

They are indicators and vulnerabilities that tell adversaries where to focus their collection efforts


What are indicators for culture?

examples of cultures indicators