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Definitions
Below is a directory of terms used in discussions about remote sensing for natural disasters. Most of the terms have been reproduced from the Canada Centre for Remote Sensing and the UN Department of Humanitarian Affairs.
New technologies have the potential to accelerate a country's development, but a global technology gap remains.
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Aftershock
A small earthquake that follows the main shock and originates close to its focus. Aftershocks generally decrease in number and magnitude over time.
Avalanche
The rapid and sudden sliding and flow of masses of mixtures of snow, ice and rock material.
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