An enormous water reservoir — likely the largest aquifer of its kind in on Earth — sits inside the volcanic rocks of the ...

The hidden water reservoir is shockingly larger than previously thought—holding more than half the volume of Lake Tahoe.

Oregon researchers have uncovered a water reservoir beneath the Cascades that is estimated to be three times the capacity of ...

The Cascade Range has been built up by volcanic activity over millions of years, making the exposed rocks in the high Cascades much younger than those in the western Cascades, the team said.

Scientists have mapped the amount of water stored beneath volcanic rocks at the crest of the central Oregon Cascades and found an aquifer many times larger than previously estimated -- at least 81 ...