Which instrument is primarily used to detect earthquakes?
A. Tachometer
B. Seismograph
C. Extensometer
D. Anemometer
Answer: Option B
Solution (By Examveda Team)
Seismograph records ground motions during earthquakes.It provides critical data on earthquake magnitude, duration, and wave types.Related Questions on Geological Hazards
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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