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Human Ancestors Lived on Shaky Ground
March 3, 2011 Our earliest ancestors preferred to settle in locations that have something in common with cities such as San Francisco, Naples and Istanbul -- they are often on active tectonic faults in areas that ... > full story -
Nearly 60 Small to Moderate Earthquakes Strike Arkansas and Are Widely Felt
February 18, 2011 Nearly 60 small and moderate earthquakes struck Arkansas since Feb. 15, 2011, the most recent a magnitude 4.3 earthquake 37 miles away from Little Rock. Many of the earthquakes are large enough to be ... > full story -
Increase in Microearthquakes in California Found After Chilean Quake
February 25, 2011 By studying seismographs from the earthquake that hit Chile last February, Earth scientists have found a statistically significant increase of microearthquakes in central California in the first few ... > full story -
Oscillating 'Plug' of Magma Causes Tremors That Forecast Volcanic Eruptions
February 23, 2011 Geophysicists are offering a new explanation for seismic tremors accompanying volcanic eruptions that could advance forecasting of explosive eruptions such as recent events at Mount Pinatubo in the ... > full story -
New Zealand Earthquake Damage Illustrates Risks Posed by Shallow Crustal Faults
February 22, 2011 The terribly destructive earthquake that just hit Christchurch, New Zealand, was only a moderate 6.3 magnitude, but had certain characteristics that offer an important lesson to cities up and down ... > full story -
Brain's 'Reward' Center Also Responds to Bad Experiences
February 22, 2011 The so-called reward center of the brain may need a new name, say scientists who have shown it responds to good and bad experiences. The finding may help explain the "thrill" of thrill-seeking ... > full story -
Testing the Limits of Where Humans Can Live
February 20, 2011 On an isolated segment of islands in the Pacific Ring of Fire, residents endure volcanoes, tsunamis, dense fog, steep cliffs and long and chilly winters. Researchers have studied the history of human ... > full story -
Izmit Earthquake (Turkey): Early Warning Signals Detected for the First Time
February 18, 2011 The 1999 Izmit earthquake in Turkey is one of the best recorded in the world. For the first time, researchers observed that the earthquake was preceded by a preparatory phase that lasted 44 minutes ... > full story -
Identifying Large Hurricanes Through Seismology
February 10, 2011 Storm-generated seismic signals may allow seismologists to detect large hurricanes at sea and track their intensity, adding useful data to the discussion of whether anthropogenic global warming has ... > full story -
Los Angeles Basin Long Overdue for Major Earthquake: Lake-Effect Theory Sinks, but Quake Timing Questions Go on
February 10, 2011 A chronology of 1,000 years of earthquakes at the southern end of the San Andreas Fault nixes the idea that lake changes in the now-dry region caused past quakes. However, researchers say, the ... > full story
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