Comparing the effects of two
earthquakes at contrasting locations
It’s case study time!
Learning objectives
By the end of today’s lesson all of you will:
Know the difference between a primary and a
secondary effect (impact)
Compare the primary and secondary impacts of
two earthquakes
Explain how and why the effects of earthquakes
in the developed and developing world differ
Keywords: Primary effect, secondary effect ,
aftershocks
What happened?
• http://www.youtube.com/watch?v=emhqTqT
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• http://www.youtube.com/watch?v=dHAgB20
AJmg
Keywords
• Primary effects – caused instantly by the
earthquake or volcanoe
• Secondary effects – happen in the hours, days
and weeks after the earthquake or volcano
Starter
• Sort the cards out into primary and secondary
impacts (effect) of earthquakes and volcanoes
• Extension: which of these belong to
earthquakes and which to volcanoes? Can
some cards belong to both?
Two case studies
• In this exam we need to know case studies in
order to be able to answer the longer
question.
• This means that we need to know actual facts
about the event.
Your turn
• Using your textbook you will be comparing two
earthquakes:
The Kobe earthquake in Japan in 1995 (page 2021)
The Earthquake in Sichuan, China in 2008
(page 22-23)
You will be presenting your findings in the form of a
table.
Kobe Earthquake, Japan 1995
Earthquake in Sichuan, China 2008
Table
Date:
Type of plate boundary:
Magnitude:
Epicentre:
Death toll:
Injured
Homeless
Damage:
Primary and Secondary social and
economic effects:
Why are people in the developing world at greater risk
from tectonic hazards than people in the developing
world?
• In pairs, write down your ideas
Why are people in the developing
world more vulnerable to tectonic
hazards?
• They often live in risky locations because they
have no choice
• They can’t afford safe, well-built houses and
buildings often collapse
• They don’t have insurance
• Their governments don’t have the money and
resources to provide aid
• Communications are poor, so warning and
evacuation may not happen
Exam question
Using an example, outline the impact of a major
earthquake on people and property in the
developing world (4 marks)
Restriction - you need to use a case study and
give specific detail about that case study
Command word
Topic
Peer Assess
There was an earthquake with magnitude of
8.0 in Sichuan, China in 2008. (opening
sentence)
Over 70 000 people died and many were
made homeless when poorly built houses in
rural areas collapsed.
Landslides made the rescue effort very
difficult and rescue teams from other
countries had to assist in looking for survivors.
WWW, EBI, Sign your name
Plenary
Write a headline for the Sichuan Daily Express
the day after the earthquake
Homework
• Research the Kobe and the Sichuan
earthquakes in greater detail.
• Give an outline of the primary and secondary
social and economic effects and include some
images for each.