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23 Cards in this Set

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What is a Hydro-meterological hazard?

A hazard that results from atmospheric or hydrological processes. E.g. storms, floods and droughts.

What is a Geophysical Hazard?

A hazard that results from Geophysical or Geomorphological processes. E.g. earthquakes, tsunamis and volcanic eruptions.

Define vulnerability

How susceptible a population is to the damage caused by a hazard.

What is capacity to cope?

It's the ability to deal with the consequences of a hazard.

Give four reasons why Global Warming is the greatest hazard:

1) It can cause the spread of diseases such as Malaria into new areas


2) Vulnerable people are more likely to suffer


3) Rising sea levels


4) Worldwide issue

Give four human factors that have lead to an increase in Hydro-meterological hazards:

1) Rapid population growth - increases number of people who are vulnerable to hazards


2) Increasing world poverty


3) Exploitation of resources such as deforestation, increase the risk of flooding

Give two physical factors that have lead to an increase in Hydro-meterological hazards:

1) Global warming


2) El Nino events

Why have deaths from disasters been decreasing?

Improvement in risk strategies such as:


- Prediction


- Prevention


- Preparedness

Why are economic losses increasing from disasters?

- Growing economies

At what boundaries do Volcanoes and Earthquakes occur?

Volcanoes and Earthquakes occur at constructive boundaries.

Why is California at risk from earthquakes?

Because the San Andreas fault runs the length of California - a conservative plate boundary

California has ___ or _____ earthquakes each year above 5.5 on the Richter scale.

Two or Three.

California has ___ or _____ earthquakes each year above 5.5 on the Richter scale.

Two or Three.

Name one past earthquake disaster in California.

The earthquake in 1906, measuring 7.8, destroyed much of the city.

Give three reasons Droughts occur in California.

Can be caused by Anticyclones, La Niña events and increased wind blowing westward from desert areas.

Define the Richter scale.

The measure of energy released during an earthquake.

Define the Richter scale.

The measure of energy released during an earthquake.

Give a devastating effect of Drought in California.

Wildfires, dry vegetation is extremely flammable and spreads quickly.

Name one past Drought caused disaster in California.

Wildfires, in Southern California in October 2007, killed 22 people and destroyed 1300 homes.

How can California be affected by a Tsunami?

Earthquakes under the Pacific Ocean could cause a Tsunami along the California Coastline.

Give an example of how California has been affected by a Tsunami?

In 1964, Northern California was struck by a Tsunami, killing 12 in Cresent City.

Give three reasons why California's population is vulnerable:

1) More than 70% of California's population live within 50km of the fault line.


2) There's a lot of building on unstable land - can lead to soil liquefaction, which damages buildings and increased risk of Landslides.


3) 20% of residents in Los Angeles live below poverty line - have low CTC.

List three ways you could research hazard patterns and risk potential:

1) Use Ordnance Survey (OS) maps, to find where potential hazards could happen.


2) Use OS maps to look for vulnerable populations