Font size
WorksheetsConcept of Hazard & Earthquake Hazards
Total questions: 20
Worksheet time: 13mins
Certain plant species which are capable of causing allergic reactions, poisoning, and stinging are classified as___.
Biological Hazards
Environmental Hazards
Hydrometeorological Hazards
Geological Hazards
Biological hazards may also be conveyed by biological vectors like:
Mosquitoes
Humans
Saliva
Blood
Which of the following has the potential to threaten the natural environment?
Landslides
Air Pollution
Earthquakes
Volcanic Eruptions
All of these.
Some of the events that may be hazardous to the environment may not be directly causing the harm to the environment, but may result to a more serious environmental problem.
TRUE
FLASE
NOT SURE
Tropical cyclones, thunderstorms, tornados, storm surges, floods and drought are examples of (a) hazards.
Plague of locusts which has descended on East Africa which resulted from a heavy rainfall near the Arabian Peninsula shows that a hydrometeorological hazard like heavy rainfall can cause a more serious problem or can be (a) .
Technological hazards originate from which of the following?
Technological conditions
Dangerous Procedures
Infrastructure Failures
Specific Human Activities
All of These.
This refers to the waves of energy caused by the sudden breaking of rock within the earth or an explosion.
Tremors
Earthquake
Mechanical Waves
Seismic Waves
Pushing of plates against each other until they slip happens in which stage of the occurrence of earthquake?
1st
2nd
3rd
Any given earthquake produced by slip along a fault can produce a number of hazards which includes:
Fire
Liquefaction
Epidemic
Tsunamis
All of these.
Ground shaking will vary over an area due to which of the following factor?
Topography
Bedrock type
Location of a fault rupture
Orientation of the fault rupture
All of these.
There are many different ways to measure different aspects of an earthquake. Which scale is used to measure the earthquake’s size or magnitude?
Richter Scale
Modified Mercailli
Volcanic Explosivity Index
Geological Scale
This refers to an offset of the ground surface when fault rupture extends to the Earth’s surface.
Ground rupture
Subsidence
Liquefaction
Liquefaction most often occurs when which of the following conditions are met?
Loose, granular sediment or fill
Saturation by ground water
Strong shaking
All of these.
Which of the following statements explain/s the formation of an earthquake-induced subsidence? Select ALL that apply.
Removal of water, oil or natural gas during mining activities causes vertical displacement of one side of a fault.
Downward vertical displacement on one side of a fault causes subsidence
Loose sediments ‘settle’ and lose their load-bearing strength or to slump down sloping grounds
All of these
True or False.
I. Landslides are important secondary earthquake hazards.
II. Gravity which acts on steep slope is the primary reason for all landslides.
I is TRUE, II is FALSE
I is FALSE, II is TRUE.
BOTH satements are TRUE.
BOTH statements are FALSE.
True or False.
I. Tsunami is the same as tidal wave.
II. Tsunami is also known as storm surge.
The 1st statement is TRUE, the 2nd is FALSE.
The 1st statement is FALSE, the 2nd is TRUE.
Both statements are TRUE.
Both statements are FALSE.
The damages caused directly by tsunamis include___. (Select all that apply.)
Damage by fire of houses
Lumber washed away
Environmental pollution
Outbreak of disease of epidemic proportions
These tools are developed to illuminate areas that are affected or vulnerable to a particular hazard.
(a)
Government agency that is principally mandated to mitigate disasters that may arise from volcanic eruptions, earthquakes, tsunami and other related geotectonic phenomena
(a)
