Geoscience events - Archive

St. Helens' dome changes shape again

Surging seismic activity at Mount St. Helens has changed the whale-back shape of the volcano's emerging new dome, leaving it more like the back of a stegosaurus -- a dinosaur with bony plates of armor along its spine.

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Strong earthquake hits New Caledonia

A severe earthquake estimated at 6.6 on the Richter scale struck the French Pacific territory of New Caledonia early Tuesday, but without causing major structural damage or casualties.

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Volcano on Indonesia's Sumatra Erupts

A volcano on Indonesia's Sumatra Island erupted Tuesday, spewing out clouds of ash and causing villages on its slopes to flee their homes in panic, government volcanologists said.

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Fossil expo shows dinosaur rocks

A cast of an ancient elephant's skeleton stood over the heads of hundreds of visitors as they sorted through thousands of fossils at the National Fossil Exposition XXVII this weekend.

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Quake jolts Qom, southwest Tehran

An earthquake measuring 3.9 degrees on the Richter scale hit suburbs of the city of Qom, in Qom province, 160 km southwest of the capital city of Tehran Sunday evening.

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Fossil apparently human ancestor

Is a fossil creature that grabbed headlines three years ago really the earliest known ancestor of modern humans? Or does it belong elsewhere on the evolutionary tree? The answer has been hotly debated, but now two studies argue that it does indeed belong

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