What three areas of the world do peopol monitor earth quaks?

Physical state at room temperature of calcium? What is the summer temperature in the rainforest? What is the reaction between iron and copper nitrate? Why did the ice cube directly under the light melt faster when it had no cover than when it was covered with aluminum foil? How many km thick is the asthenosphere? How can you tell whether a temperature is in degrees Fahrenheit or degrees celsius? What gives the rocks of Red Rock their color? Does Water at 0 degrees Fahrenheit have no heat energy or molecular activity? What happens after a deposition? Where could someone get a brushed nickel shower faucet? 20 degrees Fahrenheit equals how many degrees Celsius? Which bond is more polar a phosphorus fcholrine bond or a phosphorus fluorine bond? What are the latest invention for earth that can help us life easier? Why can't we live without fossil fuels? What in northern Chile includes areas where no rainfall has ever been recorded and is one of the driest places on earth? Is there going to be a strong earthquake that can kill people in California in 2012? How does hydro affect earth? What are the different branches of the environmental science? Is iron oxide used in magnets? What did scientists learn about the sea floor?

What three areas of the world do peopol monitor earth quaks?