Rock Fractures a Symptom and Not a Cause of the Vibrations Felt. Share full article. HIRAM W. HIXON. April 29, 1906; Credit... The New York Times Archives.

Strong earthquakes may fracture bedrock in a way that amplifies shaking during subsequent seismic events, increasing the chances of future rockslides and other quake-linked hazards, researchers find.

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A sealed rock fracture almost 50 feet below ground has remained home to microbes for the last 2 billion years—the oldest life ever discovered in such conditions. The nearly 1-foot sample ...

Scientists reveal that earthquakes generate electricity in quartz, explaining how enormous gold nuggets grow in deep rock ...

Thursdays 7.0 happened along the Mendocino Fracture Zone, where the Gorda and Pacific plates touch, Reed said. The zone’s ridge stretches in a horizontal line for more than 3,000 miles out to sea.

The rock fractures more easily, which Schmidt said makes sense given the types of tools those people were making. Members of the Howiesons Poort technocomplex made many small blades for arrowheads and ...