Earth Fissures on Phoenix PBS Affiliate “Horizon” Show

Visit Welcome to the USGS Geologic Hazards Team Related

Anyone who owns a house or is looking to buy one should be aware that nearly all home owner’s insurance policies will not cover them in the event their home is damaged by common geologic processes including floods, landslides, earthquakes, subsidence, and expansive or swelling soils. (Image by Geology.com)

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The Arizona Department of Water Resources has an excellent program to monitor a somewhat unique geologic hazard – land subsidence. Caused by compaction of valley sediments in areas of declining groundwater table, it can create […]