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The Times of India
The Times of India
World
TOI World Desk

What created Washington's Mima Mounds: The ancient geological mystery that has left scientists searching for answers for more than 100 years

Washington D.C. Discovery Earth Earthquakes America Flood Ice Age Washington State

America’s one of the most intriguing geological mysteries: The Mima Mounds of Washington State spread across the Mima Prairie in Thurston County. Hundreds of rounded earthen mounds have puzzled scientists for more than 100 years now, as reported by Discovery UK. But, despite decades of research, experts still cannot agree on how they formed. Some theories point to burrowing gophers, while others credit Ice Age glaciers, ancient floods and even earthquakes. The landscape has attracted geologists, ecologists and curious visitors alike, with new studies continuing to test competing ideas about their mysterious origins.

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