51.
Which hazard is characterized by the slow, downward progression of rock and soil on a slope?

52.
A tectonic plate boundary where plates slide past each other is known as a:

53.
Which volcanic hazard involves the ejection of large volcanic bombs?

54.
The point on Earth's surface directly above the earthquake origin is called the:

55.
Which of the following increases landslide risk in hilly terrain?

56.
What type of landslide is most likely to occur in clay-rich soils during rainfall?

57.
Which method is a non-structural approach to mitigate geological hazards?

58.
The Mercalli Intensity Scale measures:

59.
Which gas released by volcanoes can be hazardous to life?

60.
What is the main cause of tsunamis?