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Continent-size blobs in Earth's mantle are a billion years old, ancient crystals reveal
New research suggests that dark energy isn't needed to explain the acceleration in the expansion of the universe — instead ...
California fears Big One is coming as tremors rock San Francisco Bay
The California coast has been rocked by seven earthquakes in less than a day, including four in the same city near the San ...
California gripped by fear the Big One is coming as yet another tremor rocks San Francisco Bay Area
The California coast has been rocked by seven earthquakes in less than a day, including four in the same city near the San ...
California rocked by SIX earthquakes in 12 hours
The California coast has been rocked by six earthquakes in less than a day. The United States Geological Survey (USGS) has ...
Series of quakes, including a 4.5 magnitude, jolt California North Coast near Eureka
A 4.5 magnitude earthquake and other smaller quakes rocked the Humboldt County coastline in Northern California on Feb. 11 ...