The large map shows the distribution of earthquakes in the most seismically active region of the central United States. It was prepared for a general audience and should not be used to access earthquake hazards for small areas or at individual locations. U.S. Geological Survey Geologic Investigations Series I-2812.
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Indiana Geological and Water Survey
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IGS Return Policy
All sales are final. Materials may not be returned after they have been accepted by the customer. Any discrepencies in mail orders must be reported to IGWS within 10 days of receipt of order.
The Indiana Geological and Water Survey will refund the purchase price and sales tax of products if returned with the original sales receipt within 10 days of receipt of order. Refunds will be issued with the same method of payment as indicated on the original receipt except for cash purchases, which will be refunded by check. Items must be returned in the same condition as purchased. Refunds on digital products and services are not allowed, except for defective media such as CD-ROMs, flash drives, and so on. The customer is responsible for paying shipping costs to return items.