A Quake in the Bay Area Raises Concerns
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Tuesday nightâs 5.6 magnitude quake near San Francisco set off worries among scientists that the tremor could be a precursor of worse to come.
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IT COULD HAPPEN HERE: Tsunami scientists and public safety officials say the West Coast could experience a calamity similar to the one in southern Asia.
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Earthquakes are not unusual in the San Francisco Bay Area, but a team of Penn State geoscientists believes that the hazard may be greater than previously thought because of a hidden fault under Marin County.
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Mysterious tremors deep beneath the San Andreas Fault near the quake-prone town of Parkfield are shaking the earth&#39;s brittle crust, far below the region where earthquakes normally strike -- and scientists say they can&#39;t understand what&#39;s happening or what
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Los Angeles appears to be in a centuries-long seismic lull between periods of powerful earthquake activity, while communities inland could be at higher risk of big quakes.
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PARKFIELD, Calif. - A strong earthquake struck Central California on Tuesday that was felt from San Francisco to the Los Angeles area...
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The magnitude 6 earthquake that rocked central California on Tuesday may have been the most widely anticipated earthquake in history.
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After a huge earthquake struck San Francisco in 1989, many Californians thought they'd survived the "Big One." But experts say smaller quakes hold greater cause for worry.
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A wave of small earthquakes that has caused alarm in southern Chile may be related to the birth of an undersea volcano, officials said Tuesday.
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A moderate earthquake jolted an isolated area of central California yesterday, triggering a rock slide that closed part of a highway.
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SEATTLE - Seismologists believe there&#39;s an increased likelihood of a &quot;hazardous event&quot; at Mount St. Helens due to recent changes in the mountain&#39;s seismic activity.
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A Monday-morning earthquake that registered 6.8 on the Richter scale is causing trouble with communications across Japan.
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The day of reckoning is coming. For someone. By Labor Day, either Southern California will have suffered a magnitude-6.4 earthquake or at least one UCLA geophysicist will be eating some serious crow.
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Hundreds of aftershocks have been recorded since a magnitude 6.0 earthquake hit near the Central California town of Parkfield at 10:15 Tuesday.
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A 6.0 earthquake struck central California this morning, along with more than 90 aftershocks. The quake was centered along the San Adreas Fault, between San Francisco and Los Angeles.
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VANCOUVER -- Concerns that the dome within Mount St. Helens&#39;s crater could release a rock-flinging, ash-filled explosion grew Wednesday after earthquake activity beneath the volcano steadily intensified.
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PARKFIELD, Calif. - A moderate earthquake struck Central California on Tuesday that was felt from San Francisco to the Los Angeles area...