Mysterious Tremors May Portend California Quakes
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Low-pitched rumbles from deep under California's San Andreas fault may offer a way to predict future earthquakes, U.S. geologists said on Thursday.
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The earthquakes that started a week ago at Mount St. Helens -- precursors to Friday's eruption -- are a reminder that the 8,364-foot sleeping giant is but a part of a volcanic "ring of fire" so vast that it encircles the Pacific Ocean.
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SEATTLE - A strengthening series of earthquakes at Mount St. Helens prompted seismologists Sunday to warn that the once-devastating volcano may see a small explosion soon...
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The sounds made by dune avalanches has mystified people for centuries. California scientists test an explanation by sliding down the sand on their rear ends.
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MOUNT ST. HELENS NATIONAL MONUMENT, Wash. -- With scientists predicting that an increase in seismic activity could result in an imminent volcanic eruption
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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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The Earthquake that hit Central California on Wednesday might be just a sample of what to expect in the future, if our special reporters earlier article is correct.
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A series of earthquakes, the largest registering magnitude 5.9, shook central California on Tuesday, the US Geological Survey reported.
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BERKELEY, Calif. Scientists at UC Berkeley say tremors deep under the San Andreas Fault may help them predict future earthquakes. The head of the Berkeley Seismological Laboratory says the tremors were detected
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Seismologists are studying mysterious tremors deep under the San Andreas Fault that may signal future earthquakes. The continuous tremors are &quot;a kind of chatter&quot; emanating from a depth far below the surface
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Two earthquakes struck early Saturday in the same part of California that was rocked by a powerful temblor earlier in the week.
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Hundreds of earth tremors off the coast of Ecuador in the past 11 days have sparked fears that a bigger quake could strike soon.
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A rocky "cork" may be stopping up the volcano, resulting in mysteriously rhythmic earthquakes, a new study says.
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A strengthening series of earthquakes at Mount St. Helens prompted seismologists Sunday to warn that the once-devastating volcano may see a small explosion soon.
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Two strong earthquakes that struck  western Japan are unlikely to be precursors to the type of  massive tremors that hit the region every century or so and the  chances of major aftershocks seem low, a government panel said  on Monday.
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A surge of strong earthquakes under Mount St. Helens yesterday has seismologists worried that rock and ash could explode from the volcano&#39;s dome -- leading scientists to take the rare precaution of issuing a warning for a possible eruption.
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Parts of north Wales are shaken by an earth tremor measuring 3.1 on the Richter scale.