Two earthquakes comparedTwo earthquakes compared
Here is your key question – writeHere is your key question – write
it in your booksit in your books
How can similar earthquakes in Iran and USA have very
different impacts on the people who live there?
Make your own list using the information that you will
see on the next few slides. Then prepare an answer to the
Location: Bam in Iraq
Location: Bam in Iran
Date: 26 December, 2003
Strength of earthquake on the Richter scale: 6.6
Number dead: 28,000
Location: California in USA
Date: 22 December, 2003
Strength of earthquake on the Richter scale: 6.5
Number dead: 3
Here are some other reasons why theHere are some other reasons why the
earthquake in Iran was so bad:earthquake in Iran was so bad:
• The houses in Iran were badly built. They
were made from mud brick which collapsed
• When mud brick collapses it disintegrates.
• This leaves less air pockets, which might
have allowed some people to survive, even
though they were trapped.
These are like the mud brick buildings that collapsed in Bam
Buildings like this in a rich country might topple, but they
don’t crumble. What would be your chance of survival in
• The time of day when the earthquake
happened was also important.
• In Bam, it happened at 5 o’clock on a Friday
morning. Friday is the Muslim day of rest.
• Where do you think most people were,
and why did they die?
Other things to consider:Other things to consider: