AZGS Releases Revised Earth Fissure Maps

Each monsoon season finds the AZGS mapping team in the field addressing new leads and revisiting fissures with a history of activity. Mapping results are compiled on existing earth fissure study area maps, which are then revised, re-versioned, and released online at the interactive Natural Hazards in Arizona site. This year, AZGS is releasing revised maps for Apache Junction, Maricopa – Pinal Counties; Chandler Heights, Maricopa County; Tator Hills, Pinal County; and Three Sisters Buttes, Cochise County. Two of these, Apache Junction and Chandler Heights, have largely shifted from agricultural lands to residential or industrial use lands, markedly increasing the hazard and risk that accompanies fissuring.

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