Eartguakes and volcanoes - Comparing the effects of earthquakes

24 important questions on Eartguakes and volcanoes - Comparing the effects of earthquakes

What are the HDI values for New Zealand and Ecuador?

  • New Zealand: 0.913
  • Ecuador: 0.732

When did the earthquakes in New Zealand and Ecuador occur?

  • New Zealand: February 22nd, 2011
  • Ecuador: April 16th, 2016

What were the magnitudes of the earthquakes in New Zealand and Ecuador?

  • New Zealand: 6.3
  • Ecuador: 7.8
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What was the hypocentre depth for earthquakes in New Zealand and Ecuador?

  • New Zealand: 5 km
  • Ecuador: 20 km

What were the plate boundaries involved in New Zealand and Ecuador earthquakes?

  • New Zealand: Subduction, Australian & Pacific Plate
  • Ecuador: Subduction, Nazca & South American Plate

How many people received food aid after the earthquake?

  • 105,000 people received food.
  • Provided for the first month post-earthquake.

Where were the locations of the epicenter for New Zealand and Ecuador earthquakes?

  • New Zealand: Near Christchurch (367,700 people)
  • Ecuador: Near Muisne (5,925 people) and Pedernales (21,910 people)

What tends to be needed in LEDCs after initial disaster aid?

  • Structural aid is needed.
  • Helps rebuild infrastructure.

How many people were injured in the New Zealand and Ecuador earthquakes?

  • New Zealand: 6,900 people
  • Ecuador: 16,600 people

Why do some argue there's no "natural disaster"?

  • Only hazard events occur naturally.
  • Impact depends on society’s preparedness.

What were the death tolls for New Zealand and Ecuador earthquakes?

  • New Zealand: 185 deaths
  • Ecuador: 673 deaths

How predictable are earthquakes?

  • Very unpredictable events.
  • Few warning signs and magnitude varies.

What were the economic costs of the earthquakes in New Zealand and Ecuador?

  • New Zealand: 30 billion Euros
  • Ecuador: 3 billion Euros

Can animals predict earthquakes?

  • Stories claim bees and dogs predict.
  • No scientific studies confirm this.

What are better predictors of earthquake damage than physical factors?

  • Social and economic factors (socio-economic factors) are better predictors.

What do socio-economic factors influence in earthquakes?

  • Influence earthquake effects.
  • LEDCs have less preparation, leading to weaker infrastructure.

What actions help prepare for an earthquake?

  • Set rules and inspections.
  • Prepare search and rescue teams.
  • Assemble emergency backpack.
  • Have money for preparedness.

Why is emergency aid distribution difficult post-earthquake?

  • Damaged infrastructure makes it challenging.
  • Essential for providing quick support.

What is the role of hazard management?

  • Helps survive earthquakes.
  • Includes rules and inspections.
  • Funds for search and rescue.
  • MEDCs better prepared than LEDCs.

How does damaged infrastructure impact communication?

  • Disrupts phone/internet.
  • Makes contacting aid difficult.
  • Greater damage hinders calls.
  • Limits access to help.

What's the difference in rebuilding costs between New Zealand and Ecuador after an earthquake?

  • New Zealand: Infrastructure costlier.
  • Ecuador: Cheaper rebuilding.
  • Cost 10x higher in New Zealand.

What are socio-economic factors?

A combination of social and economic factors. Factors that have to do with both society and money.

What is structural aid?

Help that is provided over a longer period of time, to help with the rebuilding of society.

What is a hazard event?

A natural phenomenom that has a negative effect on society (e.g. An earthquake, flood, volcanic eruption)

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