Geography [1 Mark Question Answer]

Japanese use the methods of measuring changes in sea level and variations in Earth’s magnetic field to predict earthquakes.

Tsunami is a large furious destructive sea wave caused by the force of an earthquake along with the moving tectonic plates, volcanic activity landslides, and meteorite impact.

The point of origin of earthquake waves is called seismic focus and the center vertically above the seismic focus nearest to the earth’s crust is called the epicentre.

Natural causes are the movement of tectonic plates and volcanic activities.

Two belts are the Circum-Pacific Mountain belt and the mid world mountain belt of high fold mountains like the Alps, Himalayas, etc.

An earthquake is defined as a tremor below the surface of the earth which causes shaking of the earth.

Earthquakes occur in the Mid-Atlantic belt because here the sea floor spreading is the main cause of earthquakes.

The instrument used to record Earthquakes’ is called Seismograph.

The sudden mild or violent shaking of a part of the earth is called an earthquake. An earthquake is generally accompanied by a rumbling and tremors.

They can cause a lot of destruction on the shore. They are sometimes mistakenly called “tidal waves,” but tsunamis have nothing to do with the tides.

It is produced mainly by an undersea earthquake along with the gaps of tectonic plates, volcanic thrusts, great landslides and meteorite impact.

Seismic focus.is located in the interior of earth’s crust from where the earthquake waves originate and the epicentre is the nearest point vertically below the region of earthquake effect.