GEOLOGY

EARTH SCIENCE

NATURAL HAZARDS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Ross is a seismologist. How does he help to prevent damage during natural disasters?
A
He uses a tiltmeter to detect potential volcanic eruptions
B
He uses buoys to tell how high water levels are in the ocean
C
He uses a seismometer to predict earthquakes
D
He uses a doppler radar to predict the weather patterns for an area
Explanation: 

Detailed explanation-1: -Seismographs are the key tool of seismologists since they make it possible to collect and to record the vibrations of the Earth.

Detailed explanation-2: -Seismometers allow us to detect and measure earthquakes by converting vibrations due to seismic waves into electrical signals, which we can then display as seismograms on a computer screen. Seismologists study earthquakes and can use this data to determine where and how big a particular earthquake is.

Detailed explanation-3: -Damage and Shaking Seismologists study earthquakes by looking at the damage that was caused and by using seismometers. A seismometer is an instrument that records the shaking of the Earth’s surface caused by seismic waves. The term seismograph usually refers to the combined seismometer and recording device.

Detailed explanation-4: -Scientists use triangulation to find the epicenter of an earthquake. When seismic data is collected from at least three different locations, it can be used to determine the epicenter by where it intersects. Every earthquake is recorded on numerous seismographs located in different directions.

There is 1 question to complete.