QUESTION ON EARTH QUAKE

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1. Which of these is NOT a scale for measuring earthquakes?

Rossi-Forel Scale

Mercalli intensity Scale

Anatolia Rift Scale

Richter Scale

2. What is the mane for a minor quake that occurs before the main earthquake?

Aftershock

Tremor

Preshock

Foreshock

3. What do the letters USGS stand for?

United States geological Service

United States Geological Survey

United states Geographical service

United States Geographics

4. What does "Pangaea" refer to?

A specific type of earthquake

The location of a major fault in Northern Africa

A theory which states that all the continents were once one huge land mass

A particularly active seismic area in the Pacific Ocean

5. The word "Tsunami" comes from the Japanese words which mean?

Divine Wind

Harbor Wave

Huge Wave

Wave of Terror

6. When referring to earthquakes,what is a "fault"?

A large highly visible crack in the earth's crust

A crater in the earth's crust caused by a previous earthquake

An area of the earth'crust least likely to be affected by an earthquake

An existing weakness in the earth' crust

7. What is the depth of a shallow-focus earthquake?

Between 60 and 100 kilometers

Between 100 and 300 kilometers

Less than 60 kilometers

All of these

8. Who developed the scale for measuring the power of an earthquake?

James richter

Richter Gray

Richter Ewing

Charles Richter

9. In the 1880's the first seismic instruments were developed in which country?

Japan

China

Mexico

England

10. If there are several earthquakes in a row, what is the name of the largest of these earthquakes?

Foreshock

Tertiary shock

Aftershock

Mainshock

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