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Unexplained Boom Heard in South Dakota And Surrounding States Remains a Mystery

Spearfish — The mystery of what caused Monday’s loud boom remains. Some theories have been refuted, while more mysterious references have appeared. Shortly before 2 p.m., the boom was heard throughout the Black Hills. Some people said it shook their homes or businesses, rattling windows, and scaring them in several instances. But the noise was heard in a much larger … Continue reading

Strong 5.8M Oklahoma Earthquake Felt from Nebraska to Texas

A record-tying earthquake in the edge of Oklahoma’s key energy-producing areas rattled the Midwest from Nebraska to North Texas on Saturday and likely will focus fresh new attention to the practice of disposing oil and gas field wastewater deep underground. The United States Geological Survey said a 5.6 (UPDATED TO 5.8) magnitude earthquake happened at 7:02 a.m. Saturday in north-central … Continue reading