Responding
What kind of responses are there?
Short-term, mid-term, long-term
Name one negative consequence of a volcanic eruption
- Human suffering (injuries and death)
- Destruction of plant and animal life, imbalance ecosystem
What does the term "focus" mean?
The location where pressure builds up when tectonic plates move together, apart, or against one another.
What are the four factors influencing the impacts of a natural disaster?
Wealth and level of development, Time, Population, Weather and climate.
What is the difference between the responses?
Short-term: actions taken immediately after the disaster to save as many lives and keep people safe.
Mid-term: Actions taken weeks to months (depending on timeline of the whole disaster) to help communities recover and return to normal life.
Long-term: Actions taken from months to years after a disaster to rebuild communities and to reduce risk factors for future natural disasters
Name one positive consequence of a volcanic eruption
Tourism or Farming
"The centre of the earthquake on the surface. The closer to this point, the higher the intensity of the earthquake. The further away from this point, the weaker the intensity of the earthquake."
What term does this describe?
Epicentre
Why does the wealth and development level of a country experiencing a natural disaster matter?
Countries with more wealth and a higher level of development tend to have more options in responding and having preventive measures for natural disasters. The quality of the infrastructure can also play a part in how much damage a natural disaster does.
"Ensuring that transport links are functioning so aid can reach the people in need." is an example of what kind of response?
Mid-term response
_____ ___________ and ____________ ____ can be destroyed as a result of volcanic eruptions, making areas uninhabitable.
Human settlements and agricultural land can be destroyed as a result of volcanic eruptions, making areas uninhabitable.
What other natural disasters can earthquakes cause?
Spread of fire, landslides, flooding, and even tsunamis
Fill in the blank word.
The __________ size can also determine the impact of a natural disaster. Countries with high __________ levels can be hit worse during natural disasters.
Population
Name one example of each type of response
Teacher will check with table 2.1 on p.49
An outpouring mixture of ash, lava, and gases that moves at speed down the sides of a volcano. It is extremely dangerous to any living thing in its path.
What term does this describe?
Pyroclastic flow
What are four consequences of earthquakes?
There are 6 in total; every extra one results in an extra 100 pts
- Damage infrastructure (buildings, roads, communication systems)
- Human injury and deaths
- Spread of disease
- Result in other natural disasters
- Increase in crime levels
- Rebuilding and new systems
Think of four examples of when timing influences the impact of a disaster
Which type of response is the most important?
Explain the difference between dormant, extinct, and active volcanoes with a real-life example of each.
Active volcanoes have a recent history of eruptions; they are likely to erupt again. Dormant volcanoes have not erupted for a very long time but may erupt at a future time. Extinct volcanoes are not expected to erupt in the future.
Examples: Mount Fuji, Japan (dormant), Whakaari, New Zealand (active), Mount Slemish, Northern Ireland (Extinct)
Explain the function of the Richter scale and magnitude, and the difference between these two.
The Richter scale: Tool used by seismologists to record the strength of earthquakes. Each earthquake is given a number from 1-10. The strength of the earthquake goes up ten times between each level.
Magnitude: used to describe the size of the earthquake
Difference: The Richter scale is a measuring tool for recording the size, which is called magnitude
Name two types of weather and examples of how these can worsen the situation after a natural disaster.
Heavy rainfall:
Broken/ overflowing drainage system leading to potential floods
Hot temperatures: