USGS: Minor Aftershocks Won't Stir New Tsunami
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Aftershocks beneath the Indian Ocean continued to rattle Indonesia but none have been strong enough to stir powerful waves, let alone spawn another tsunami, the U.S. Geological Survey said on Wednesday.
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A minor 3.1 magnitude earthquake split the lava dome in the crater of Mount St. Helens on Saturday, continuing a series of minor earthquakes rattling the site since October, the US Geological Survey (USGS) said.
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A powerful earthquake struck Friday under the Pacific Ocean near Papua New Guinea, but there were no reports of damage on land and there was no major tsunami threat, authorities said.
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The number of small earthquakes at Mount St. Helens increased on Thursday, prompting scientists to warn there is a 70 percent chance of eruption in next few days.
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Scientists from the US Geological Survey report that small earthquakes have registered about once a minute for the past several weeks.
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Powerful earthquakes in Indonesia recall the 2004 tsunami and prompt concerns over whether we're ready for another disaster
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Tsunami warning systems in the Indian  Ocean have improved since the devastating 2004 Indonesian quake  but still have many flaws and produce false alerts or miss  potential threats, experts and officials said on Friday.
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Indonesia's tsunami Wednesday is much smaller than the 2004 disaster, but the response shows the country's new warning systems are working.
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A strong undersea earthquake struck  near the Moluccas islands in northern Indonesia on Wednesday,  the U.S. Geological Survey said on its Web site, but there were  no reports of a tsunami or casualties.
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Earthquake activity has increased at Mount St. Helens, but scientists said Saturday there was no reason to raise the volcano's alert level.
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A tsunami striking the U.S. is not a question of if but when
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A warning center such as those used  around the Pacific could have saved most of the thousands of  people who died in Asia's earthquake and tsunamis, a U.S.  Geological Survey official said on Sunday.
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The U.S. weather agency didn't have the phone numbers nor staff to alert all Indian Ocean coastal countries when it saw the first signs that tsunamis could be heading their way, its top official said Thursday. He cautioned that the Caribbean and Atlantic also lack an early-warning system.
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Sydney - The massive earthquake that unleashed deadly tidal waves across southeast Asia may have been triggered by a smaller quake last week off Australia&#39;s island state of Tasmania, a seismologist said on Monday.
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An undersea earthquake measuring 6.1 on the Richter scale jolted Indonesia's eastern Moluccas island chain on Saturday, but there were no immediate reports of any damage, a meteorological agency official said.
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A strong earthquake with a preliminary magnitude of 6.0 struck in Pacific Ocean waters off Japan's eastern coast Thursday, but there was no danger of a tsunami, Japan's Meteorological Agency said.
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In one sense, the catastrophic earthquake off the coast of Sumatra on Sunday morning was no surprise, but scientists still cannot give timely warning to people in harm's way.