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weak and plastic-like region of the upper mantle of Earth that lies below the lithosphere

The geographic point on surface directly above the focus is called.

• Fault line

• Epicenter

• Focus

• Intesity

The solid, outer part of the earth, including the brittle upper portion of the mantle and the crust

Answer explanation

It is a place deep within the earth and along the fault where rupture occurs.

• Plates

• Plate boundary

• Focus

• Epicenter

What type of crust have 3.0g/cm³ density

• Continental

• Oceanic

It is a kind of rock that is common in continental crusts.

• Basalt

• Granite

• Amethyst

• Obsidian

This wave moves up and down and is the second wave you feel in an earthquake.

A. P-waves

B. S-waves

C. Love waves

D. Rayleigh waves

• A

• B

• C

• D

80% of all the earthquakes occur in the A. Atlantic Belt.

• Atlantic belt

• Pacific belt

• Mediterranean-asiatic belt

• Caribbean belt

Earthquake epicentres are identified throughA. Richter scaling B. Seismographic Method C. Triangulation Method D. Scaling Method

• Seismographic method

• Richter sacaling

• Triangulation method

• Scaling method

From the seismogram, the distance to the epicenter can be determined by measuring.

A. the arrival time of surface wave

B. the difference in the arrival times of the P and S-waves

C. the ratio of the amplitude of the largest P and S-waves D. the speed of the surface wave

• A

• B

• C

• D