Which volcanic hazard involves the ejection of large volcanic bombs?
A. Ash fall
B. Pyroclastic surge
C. Tephra fall
D. Lahar
Answer: Option C
A. Ash fall
B. Pyroclastic surge
C. Tephra fall
D. Lahar
Answer: Option C
Which of the following is considered a primary geological hazard?
A. Volcanic eruption
B. Soil erosion
C. Groundwater depletion
D. Urban heat island
The point within the Earth where an earthquake originates is called the:
A. Fault
B. Hypocenter
C. Epicenter
D. Seismic zone
Landslides are most commonly triggered by:
A. Lightning
B. Earthquakes
C. Glacial movement
D. Wind erosion
Which of the following is a measure of earthquake magnitude?
A. Mercalli scale
B. Richter scale
C. Mohs scale
D. Fujita scale
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