... observations of unusual animal behavior. 90% of the city's structures were destroyed in the quake, but the entire city had been evacuated before it struck. Nearly 90,000 lives were saved. Since then China has been hit by a number of major quakes that they were not as prepared for, and they have also had some false alarms, so their system is certainly not foolproof. But never the less, they have made a remarkable achievement by showing that earthquakes do not always strike without warning. Unusual behavior of animal is difficult to define. There is no simple, clear-cut process to determine if there is a characteristic behavior, although some distinct patterns have emerged. For example, an intense fear that appears to make some animals cry and bark for hours, and others flee in panic has been reported often. Equally characteristic is the apparent opposite effect of wild animals appearing confused, ...

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