Why Has It Been Suggested That Large Earthquakes Might Be

question 69

Essay

Why has it been suggested that large earthquakes might be prevented by injecting water along isolated portions of fault zones,which have been inactive for an unusually long time? When was this technique discovered?

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Definitions:

Actual Costs

The real costs incurred in the production of goods or providing services, as opposed to estimated or standard costs.

Standard Costs

Standard costs are predetermined costs to manufacture a single unit or a number of units of a product during a specific period under current or anticipated conditions.

Direct Materials Price Variance

The difference between the actual cost of direct materials used in production and the expected (standard) cost of those materials.

Overhead

The ongoing business expenses not directly attributable to creating a product or service, such as rent, utilities, and administrative costs.