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Scientists Detect First-Ever ‘Ice Quakes’ Under Greenland’s Rivers — But One Thing Baffled ThemThese juddering 'ice quakes' were found by dropping a fiber-optic cable into a mile-deep borehole dug into Greenland ice.
The great ice streams of the Antarctic and Greenland are like frozen rivers, carrying ice from the massive inland ice sheets ...
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Why my family keeps coming back to Crater Lake National ParkThe first time I laid eyes on Crater Lake National Park was eight years ago, when my husband and I had just finished our big ...
More than 7,700 years ago, an ancient volcano named Mount Mazama erupted and caused the peak to collapse in on itself. Over the centuries, snowmelt and rainwater filled the yawing crater to create ...
SUMMARY Belongs on List? Yes No Formed 7,700 years ago after Mount Mazama erupted and collapsed, Crater Lake is America's deepest lake and makes for a superb lake vacation. Today, you can admire ...
The lake was created after a volcanic eruption on Mount Mazama resulted in a large crater, or caldera, that filled with rain and snowmelt over hundreds of years. Due to the way the lake was formed ...
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