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Geotimes August 2003 Naomi Lubick |
Fast earthquakes break speed limit Some earthquakes may move faster than seismologists once thought possible. A new study published in the Aug. 8 Science shows the most convincing data yet that a large earthquake can travel down a fault at velocities that surpass theoretical limits. |
Geotimes May 2007 Carolyn Gramling |
Slow Earthquakes, Tiny Tremors Small earthquakes and tiny tremors originating deep in fault zones are the result of slow earthquakes at Earth's surface, according to a new study. |
Geotimes November 2005 Naomi Lubick |
Shift in Chile's Seismic History New research documenting tsunami deposits in the Nazca plate region is resetting the seismic clock. |
Geotimes June 2004 Naomi Lubick |
Super-Size Quake California fell into the sea during a television miniseries aired by NBC. In addition to the other faulty geologic premises of the melodrama, one elemental error is the size of the earthquake that spawned the miniseries' disasters. |
Geotimes January 2006 Naomi Lubick |
Seismic Warnings Researchers suggest that the first few seconds of an earthquake have the potential to reveal the final size that an earthquake will grow to be -- with implications for how earthquakes physically unfold. |
Geotimes March 2005 Susan E. Hough |
Earthquakes: Predicting the Unpredictable? Seismologists are quite good at identifying where large earthquakes are likely to occur on time scales of several decades to centuries, but still unable to identify regions where earthquakes will happen tomorrow, next week, or even within the next few years. |
Scientific American June 2009 Charles Q. Choi |
Are Midwestern Earthquake Faults Shutting Down? Midwesterners may have already seen the last of earthquakes in their region |
Geotimes April 2006 Kathryn Hansen |
Deep Sediments, Strong Quakes The surprising strength of the earthquake that triggered the 2004 Sumatran tsunami urged seismologists to discover triggers that lead up to these events. New models show responsibility may rest on sediments than can collect kilometers deep at the junctions of tectonic plates. |
Popular Mechanics October 5, 2009 Amber Angelle |
Earthquake Research Digs Deep to Find Timely Warning System Right now, the best that seismologists can do to "predict" earthquakes is to send out a warning immediately after activity is detected. |
Popular Mechanics February 15, 2009 Karen Rowan |
Predicting Earthquakes: Scientists Use Satellites and Drills to Follow a Force of Nature The awesome energy unleashed by earthquakes is something geologists still struggle to understand. To gather information on how the Earth moves, scientists use drills and GPS satellites. |
Geotimes July 2007 |
Geophysicist Ross Stein Like all who study earthquakes, Ross Stein doesn't want to just understand them - he wants to anticipate them. |
Geotimes November 2007 Carolyn Gramling |
Tsunami Risk High in Myanmar Once thought to be relatively seismically quiet, the northern part of the Bay of Bengal may instead be prone to giant earthquakes that could spawn tsunamis, with potentially devastating consequences for the bay's densely populated coasts, according to a new study. |
Geotimes October 2007 Carolyn Gramling |
Talc May Reduce Friction at Creeping Fault A three-kilometer-deep borehole drilled by SAFOD in 2005 crossed the central "creeping" part of the San Andreas Fault, producing rock cuttings containing both serpentinite and talc. |
Geotimes March 2004 Mark Zoback |
Earthquake Prediction and the Developing World The toll from the Iranian earthquake in December -- at least 30,000 dead and an estimated 40,000 homeless in just a few seconds -- is difficult to comprehend. Unfortunately, we can predict with reasonable certainty that sometime in the next few years, in a country with buildings unprepared to withstand disaster, a catastrophic quake will happen again |
Geotimes June 2005 Naomi Lubick |
California Earthquake Spawns Tsunami Worry The epicenter of a magnitude-7.2 earthquake that struck off northern California set off a tsunami warning for the entire West Coast, leading to an evacuation from Crescent City, Calif. |
Geotimes May 2004 Naomi Lubick |
New New Madrid Findings New research has moved a historical earthquake off the New Madrid faults, possibly changing the hazard conditions for the region and across the eastern United States. |
Geotimes May 2006 Naomi Lubick |
Measuring the Sumatra Quake The motions on the fault that set off the Dec. 26, 2004, earthquake that sent a tsunami across the Indian Ocean continue to puzzle seismologists. |
Geotimes June 2005 Naomi Lubick |
California Earthquake Roundup Several significant earthquakes have struck California this week, ranging from 4.9 to 7.2 in magnitude, with two off the coast of Northern California and two in the Los Angeles basin. Scientists say that they are mostly unrelated. |
Geotimes November 2005 Naomi Lubick |
Bolivian Earthquake Strikes Deep A magnitude-6.9 earthquake rumbled through Bolivia and northern Chile yesterday. No immediate deaths or damage were reported, although people evacuated their homes. |
Geotimes March 2007 Carolyn Gramling |
New Madrid Fault Dying? A series of devastating earthquakes that altered the course of the Mississippi River in the early 19th century may have been among the last gasps of an old, dying fault system, a controversial new study suggests. |
Geotimes March 2005 Naomi Lubick |
Magnitude-8.7 Earthquake Hits Sumatra, Small Tsunami Wave Detected An earthquake that was quite close the site of December's catastrophic quake has prompted warning bulletins from NOAA's Pacific Tsunami Warning system suggesting the evacuation of coastlines within 1,000 kilometers of the epicenter. |
Geotimes December 2003 Naomi Lubick |
Glacial earthquakes Seismologists have fingered glaciers as one source of newly discovered "slow" earthquakes. |
Geotimes August 2004 Sara Pratt |
Pressure Shifts in Yellowstone The 2002 rupture of Alaska's Denali fault triggered more than 250 smaller-magnitude quakes, altering the eruption behavior of many of the park's famed geysers. |
Geotimes November 2005 Naomi Lubick |
Large Quake, Small Tsunami for Japan A large earthquake several hundred kilometers offshore Japan triggered a tsunami warning and a subsequent small tsunami. Three or four large events have occurred on this subduction fault over the past several centuries, as the Pacific plate slowly presses westward under Japan. |
Geotimes March 2004 Naomi Lubick |
Seismic premonitions While most seismologists tend to steer clear of the word "prediction," several international teams are working toward that "holy grail" of seismology. One such team released a forecast in January, saying that an earthquake of at least magnitude 6.4 would occur in Southern California before Sept. 5, 2004. |
BusinessWeek March 17, 2011 Jonathan Tirone |
Searching for Clues Along the Ring of Fire Japan's earthquake will generate aftershocks for years, producing data that may yield insights about the quake-prone Pacific Rim. |
Geotimes October 2003 Josh Chamot |
Earthquake warning tools The ability to forecast a seismic event has been an elusive goal, but researchers are accepting the challenge and are using recent advances in seismic and computational technology to attempt to decipher Earth's subtle clues. |
Geotimes March 2005 Laura Stafford |
Sumatra Seismic Risk Recent research indicates that Indonesia, as well as other regions like the Caribbean, could experience more earthquake and tsunami activity in the near future. |
Geotimes April 2005 Naomi Lubick |
Sumatra Quake Stronger Than Thought Now that researchers have had time to go back to the records, they are finding indications that last December's Sumatra earthquake released much more energy than they thought, in the form of rare low-frequency seismic waves. |
Insurance & Technology January 13, 2010 |
Haiti Quake Caused by Caribbean Fault Earthquakes don't occur as often in the Caribbean as they do on land but the quake that hit Haiti Tuesday was not unprecedented, scientists say. |
Geotimes December 2006 Margaret Putney |
Tsunami Risk Still High in Sumatra Another major earthquake and tsunami will strike the western coast of Sumatra sometime in the next few decades, according to researchers studying the region's history. And the predicted tsunami has a significant chance of hitting densely populated areas, the team says. |
Geotimes December 2005 |
Highlights 2005 -- Natural Hazards Drilling a fault... Mount St. Helens awakens... Reviewing Sumatra... SAFOD crosses the fault... |
Geotimes February 2005 Naomi Lubick |
Tsunami Devastates Asia Geoscientists won't know exactly what happened in the Indian Ocean event until they can get into the field. |
Geotimes October 2006 Jennifer Yauck |
River Bends Reveal Past Quakes The connection between river courses and earthquake activity is allowing seismologists to look at past earthquakes along a Midwestern fault zone with new perspective, and could enable them to more accurately assess future earthquake risk in the Mississippi region. |
Geotimes June 2005 Naomi Lubick |
Seeing Earthquakes From Space A small instrument aboard the International Space Station can be used to look for disturbances in the Earth's magnetic field that may precede large earthquakes. |
The Motley Fool November 10, 2011 Dan Dzombak |
Earthquakes: The Next Challenge to America's Energy Game Changer Fracking may be causing earthquakes. |
Geotimes August 2005 |
Drilling project finds fault A drill rig in California is being used to research the San Andreas fault. |
Science News August 12, 2006 |
Science Safari: Earthquake Hazards To keep up with the latest rumblings around the globe, the U.S. Geological Service offers a Web site with current earthquake data. |
Geotimes December 2003 Naomi Lubick |
Cascading earthquakes in L.A. A new understanding of the fault architecture underlying the Los Angeles basin that takes into account the effects of cascading tremors along adjacent faults has led seismologists to reconsider the seismic threats to the Los Angeles metropolis. |
Popular Mechanics January 13, 2010 Cassie Rodenberg |
Could Haiti's Earthquake Tragedy Have Been Prevented? One group of scientists thinks so. Back in 2008, Eric Calais and Paul Mann, geophysicists who study fault lines in the Caribbean, predicted that Haiti would soon face such a devastating quake. |
Geotimes December 2003 Naomi Lubick |
San Simeon Earthquake Seismologists have tentatively pegged the source of December 22's 6.5-magnitude earthquake that destroyed the landmark building in the town of Paso Robles and killed at least two people. |
Geotimes April 2006 |
This Month in History... April 18, 1906: The Great Earthquake Destroys San Francisco Those few individuals who were involved in the relatively new science of seismology quickly journeyed to San Francisco that long ago April to see for themselves the effects of the disaster, to record their observations in scientific terms, and to hypothesize on its causes. |
Geotimes July 2004 Jay Chapman |
Squishy plates Using groundbreaking satellite techniques, new research suggests continental crust reacts to strain more like toothpaste than rigid blocks of rock. |
Geotimes September 2005 Naomi Lubick |
Repositioning Tokyo's Fault Seismologists now think Tokyo's fault sits closer to Earth's surface than previously thought. If the fault is indeed shallower, the new assessment has the potential to revise the projected hazards Tokyo may face in the future. |
IEEE Spectrum June 2007 Jean Kumagai |
How to Master a Seismic Disaster When the next big earthquake hits Tokyo, engineers bet even a few seconds can save lives. |
Science News March 13, 2004 |
From the March 10, 1934, issue A Crash For The Camera... Man-Made Radioactivity Achieved at Pasadena... Observing Ground Tilt May Aid Earthquake Prediction... |
Geotimes October 2004 Jay Chapman |
Melting Glaciers Promote Earthquakes In southern Alaska, melting glaciers heat up the possibility of earthquakes. |
IEEE Spectrum December 2005 Bleier & Freund |
Earthquake Alarm Impending earthquakes have been sending us warning signals -- and people are finally starting to listen. |
Geotimes April 2003 Lisa M. Pinsker |
Shaking in the South This morning, a magnitude-4.9 earthquake struck just east of Fort Payne, Ala. Felt from North Carolina to Mississippi, the quake awoke confused southerners from their sleep just before 5:00 a.m. |
Geotimes March 2003 Robert M. Hamilton |
Milestones in Earthquake Research This year, the first national program for earthquake research turns 25. More importantly, Congress will consider its reauthorization in the upcoming session. As we look to its future incarnation, it is worth keeping in mind what led to the program in the first place. |