Earthquakes

26. What is the term for a smaller earthquake that occurs after a larger earthquake in the same area?
A) Foreshock
B) Aftershock
C) Seismic wave
D) Earthquake swarm

27. What is the term for the point within the Earth’s crust where an earthquake originates?
A) Focus
B) Epicenter
C) Seismograph
D) Fault line

28. What type of plate boundary is associated with the largest earthquakes?
A) Divergent boundary
B) Convergent boundary
C) Transform boundary
D) Hot spot

29. What is the term for the bending of seismic waves as they pass through different layers of the Earth’s crust?
A) Reflection
B) Refraction
C) Dispersion
D) Diffraction

30. Which country is at the highest risk of earthquakes?
A) Japan
B) United States
C) India
D) China