This 1.8-mile-long earth fissure was discovered several years ago about a dozen miles south of Eloy. Groundwater pumping can lead to subsidence, the ground settlement that triggers fissures.

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Those include subsidence, or the settling and compacting of the ground caused by excessive groundwater withdrawals that can trigger earth fissures.

Sinus pain and headaches can be symptoms of the common cold, allergies, or sinusitis. Learn how to relieve sinus pressure and pain instantly, with methods including hot compresses and spicy foods.