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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 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 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 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 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. |
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 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 August 2005 |
Drilling project finds fault A drill rig in California is being used to research the San Andreas fault. |
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 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. |
Popular Mechanics July 30, 2008 Erik Sofge |
L.A. Quake Was Minor, but Is America Ready for the Big One? The quake preparedness of Los Angeles was put to the test yesterday, but only barely. |
Scientific American January 2006 David Appell |
Easing Jitters When Buildings Rumble After natural disasters, an anxious public wants to see that someone understands the catastrophe. For California quakes, seismologist Lucy Jones does the job. |
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 September 2004 Megan Sever |
Quake strikes Central California The U.S. Geological Survey received more than 9,000 reports from people who felt the quake, from Sacramento to Los Angeles. |
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 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 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 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. |
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. |
Geotimes December 2005 |
Highlights 2005 -- Natural Hazards Drilling a fault... Mount St. Helens awakens... Reviewing Sumatra... SAFOD crosses the fault... |
Geotimes August 2004 Susan Hough |
California Wines: Well-Shaken and Stirred When wine country is also earthquake country, wineries take their lumps along with everyone and everything else. |
Geotimes November 2006 Rod Combellick |
Building a Natural Gas Pipeline Through Earthquake Country With proposals now being considered to build a natural gas pipeline, it is ever-important to understand the seismic hazards along potential routes, so that the pipeline and its spurs can be properly designed and managed for seismic safety. |
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 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. |
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 August 2005 Naomi Lubick |
Sumatra Tsunami Fault Photographed Oceanographers took the first close-up photographs of one of the remaining fault scarps: a cliff face that is one in a pair of parallel faults that created a kind of canyon just off the continental shelf of Sumatra. |
Wired July 2004 Brendan I. Koerner |
The Seismic Underground It's the sweet spot of the San Andreas fault, the perfect place to build the ultimate earthquake science lab. It's also 2 miles straight down. |
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. |
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. |
Popular Mechanics May 13, 2008 Erik Sofge |
3 Frontiers in Earthquake Tech to Aid China--and Help the U.S. Can a network of GPS sensors store enough data online to scout the Bay Area's looming quake? And could the rig work in the Chinese countryside? |
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 November 2003 |
Geophenomena New pursuit of near-Earth asteroids... Finding faults in Washington... |
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. |
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 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 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. |
Geotimes June 2004 Megan Sever |
Midwest Shaking An earthquake rattled northwestern Illinois and points across the Midwest this morning Monday, June 28 at about 1:10 a.m. local time, according to the U.S. Geological Survey. |
Geotimes March 2006 Kathryn Hansen |
Earthquake Jostles Iran After an evening of precursory tremors, a magnitude-6.1 earthquake struck western Iran today. |
BusinessWeek September 19, 2005 Grover & Palmeri |
The Day California Cracks Budget crises have left the state ill prepared for a big quake. The good news is, with the feds scaling back, communities are finding ways to fend for themselves. |
Geotimes November 2007 |
Down to Earth With.... David Applegate An interview with David Applegate: historian, geologist, Congressional Science Fellow, former editor of Geotimes, and presently the head of the U.S. Geological Survey's Earthquake Hazards Program. |
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 May 2006 Kathryn Hansen |
Earthquake Sends Tonga Trembling Strong shaking awoke residents of Tonga when a magnitude-7.9 earthquake rocked the region today. Although Tonga is seismically active, seismologists say that such a large-magnitude event is unusual for the region. |
Geotimes November 2005 Naomi Lubick |
Earthquakes Hit China and Iran Two earthquakes killed dozens of people over the weekend, in southern China and a continent away in southern Iran. |
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. |
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. |
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 December 2005 Kathryn Hansen |
Earthquake Shakes East Africa A magnitude 6.8 earthquake shook the Lake Tanganyika region in Africa today. |
Geotimes December 2006 |
Top Natural Hazards News Stories of 2006 Looking Into Landslides... Getting Ready for the Rumble... Levee Concerns Abound... Spreading Wildfire... etc. |
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 December 2006 Kathryn Hansen |
Lab Experiment Reveals Earthquake Ruptures Not all earthquakes are created equal, according to new research that has brought earthquakes into the lab. For the first time, researchers physically observed two types of earthquake growth patterns, which until now, were limited to the realm of theory. |