Earthquakes Group 7 by Jasmine Ngu

Ms Jasmine: Links

jasmine_yimei — 2013-07-22 09:06:06 UTC

7) Type of soil: http://www.livescience.com/30791-deadly-1985-mexico-city-earthquake.html & http://www.ce.washington.edu/~liquefaction/html/what/what1.html

Terence/ Example

2013-07-25 05:54:59 UTC

in 1985, a magnitude 8.0 earthquake rocked Mexico City and its surrounding.

The city lies in a drained lake bed, so large portions of the ground are made up of a silt and clay mixture that has a high water content and acts to amplify the shaking.

The liquid-rich soil in the area is susceptible to liquidfaction , which causes it to essentially act like a liquid, taking away the support of buildings and other structures.

RYAAAN/RACHEEEEEL Elaboration

2013-07-25 05:59:11 UTC

When earthquakes happen in places where sediments are loose and unconsolidated, the seismic waves are amplified. This result in greater damage when earthquakes occur.

Structures built on saturated and unconsolidated sediments can be affected by liquefaction, which is when the ground becomes unstable and the soil flows like a liquid. Because of this, buildings will fall more easily.

/ Point:

2013-07-25 06:02:16 UTC

This refers to the strength of the soil.

The lower the strength of the soil, the greater the extent of damage by an earthquake

2013-07-25 06:13:08 UTC

2013-07-25 06:14:33 UTC

Effects of earthquake --->