Massive Quakes Difficult to Measure
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Sunday's earthquake in Sumatra had a preliminary magnitude of 9.0, classifying it as a great quake and making it the strongest in 40 years.
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Readers report their experiences of the earthquakes and huge waves that have devastated parts of Asia.
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A strong earthquake rattled East Timor on Wednesday, and an Indonesian monitoring agency said it had the potential to trigger a tsunami Â but there were no immediate reports of large waves.
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In this nation beset by violence, disease and environmental devastation, weary relief workers struggled yesterday to gauge the magnitude of the latest disaster
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After a major earthquake and 10 typhoons, there's more concern that the system can't handle such disasters.
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BANDA ACEH, Indonesia -- The first images yesterday of the seabed battered by the earthquake that triggered Asia's catastrophic tsunami revealed huge ruptures spanning several miles.
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How a massive earthquake in the Indian Ocean triggered sea surges and the deaths of thousands of people.
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A series of aftershocks in Indonesia&#39;s remote Papua province on Saturday hampered rescue efforts a day after a major earthquake killed at least 13 people and injured 65.
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There have been many extraordinary eyewitness accounts of the disaster that unfolded as giant waves swept ashore after the earthquake.
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Governments, aid agencies, insurers and travel firms are counting the cost of the massive earthquake and waves that hammered southern Asia.
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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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MOUNT ST. HELENS NATIONAL MONUMENT, Wash. A seismologist says he can&#39;t decipher the meaning of the latest activity on Mount St.
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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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An earthquake occurred at 13:16 Moscow time in Moldova on Monday. The magnitude of the quake made about four points on the Richter scale, the director of the Chisinau central seismological station told ...
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Strong aftershocks from the  Indonesian earthquake will be felt for "weeks and months" but  more killer-magnitude tremblers and deadly tsunamis were  unlikely, a geophysicist with the U.S. Geological Survey said  on Wednesday.
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Two unusually powerful earthquakes in the Baltic Sea area frightened residents of a number of countries on Tuesday.
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An earthquake measuring 7 on the Richter scale jolted Taiwan yesterday. Two men were injured, but no major damage was reported. One man in Ilan City in the east, and another man in Taoyuan County in the north