alleryStart learning →What is the underground point of origin of an earthquake?
- Bedrock zone
- Epicenter
- Seismic focus
- Fault scarp
Show answer and solution
Correct answer: C. Seismic focus
Seismic focus marks the subterranean point where earthquake ruptures begin.
ICSE Class 8 Disasters — practice questions
Explore 28 free Disasters questions in ICSE Class 8 Geography. Open each question or exercise to read its content, reference answers and available explanation.
Practise Disasters with Quill →Disasters questions and exercises with answers
Showing questions 1–28 of 28.
What is the underground point of origin of an earthquake?Read the answer and worked solution →Which surface point lies directly above an earthquake focus?Read the answer and worked solution →Undersea earthquakes often trigger which series of oceanic waves?Read the answer and worked solution →What phenomenon occurs when water overflows and submerges dry land?Read the answer and worked solution →What is a tropical storm called in the Atlantic and Northeast Pacific?Read the answer and worked solution →What term describes a tropical cyclone in the Northwest Pacific?Read the answer and worked solution →Which severe winter weather event brings heavy snow and strong winds?Read the answer and worked solution →A depression formed by the collapse of a ground surface layer is a:Read the answer and worked solution →Which global region is classified as the most disaster-prone in the world?Read the answer and worked solution →Which natural hazard develops slowly over months or years?Read the answer and worked solution →Which hazard is classified as a rapid-onset event with short warning time?Read the answer and worked solution →Volcanic lava causes widespread destruction primarily due to its:Read the answer and worked solution →Hazards induced predominantly by human activities and choices are called:Read the answer and worked solution →Hazards created by the potential failure of human technology are termed:Read the answer and worked solution →Any hazard involving a machine or industrial process is classified as a:Read the answer and worked solution →What hazards occur when human structures like bridges or dams fail?Read the answer and worked solution →Hazards originating in biological processes of living organisms are:Read the answer and worked solution →A material causing harm through its intrinsic properties is a:Read the answer and worked solution →Radioactive materials produce which type of harmful radiation?Read the answer and worked solution →Common threats to fire safety in buildings are designated as:Read the answer and worked solution →Which hazards involve energy associated with noise, falling, or vibration?Read the answer and worked solution →In hazard status classification, an event that has actually occurred is:Read the answer and worked solution →Risk is fundamentally defined as a combination of hazard, exposure, and:Read the answer and worked solution →Each unit increase on the earthquake Richter scale indicates what jump?Read the answer and worked solution →Match each natural disaster with its underlying cause:Read the answer and worked solution →Match each disaster management phase with its action:Read the answer and worked solution →Match each disaster safety rule with its protocol:Read the answer and worked solution →Match each man-made disaster with its environmental cause:Read the answer and worked solution →
Worked practice questions
Which surface point lies directly above an earthquake focus?
- Epicenter
- Fault scarp
- Subduction zone
- Plate boundary
Show answer and solution
Correct answer: A. Epicenter
Epicenter is situated vertically on the ground above the underground focus.
Undersea earthquakes often trigger which series of oceanic waves?
- Tidal bores
- Tsunamis
- Whirlpools
- Storm surges
Show answer and solution
Correct answer: B. Tsunamis
Tsunamis frequently originate from the sudden displacement of water by seabed tremors.
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