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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 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 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 August 2005 Naomi Lubick |
Brian Atwater: Earthquake Hunter in the Field Brian Atwater has spent nearly two decades investigating the great tsunami of 1700 that swamped the coastline of the Pacific Northwest and traveled all the way to Japan with devastating effects. |
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 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 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 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 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 2005 Sara Pratt |
Quake Uplifted Japan A large 17th-century earthquake comparable in size to the Dec. 26 Sumatra quake was responsible for pushing up land in Japan, according to new research based on the sediment record of a large tsunami. |
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 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 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 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. |
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 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 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 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 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 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 August 2003 Christina Reed |
Making mountains from a molehill Jason Saleeby of Caltech says the Laramide Slab owes its uniqueness to having carried a plateau from the distant seafloor, which helps explain why the shallow oceanic slab sheared off a segment of western North America's continental lithosphere. |
Geotimes June 2005 Megan Sever |
Quake Shakes Chile A magnitude-7.8 temblor rocked northern Chile and was felt throughout parts of Peru and Bolivia, including in the capital city of La Paz, according to the U.S. Geological Survey (USGS). The quake was centered in the remote and mostly unpopulated northern Andes region of Tarapaca. |
Insurance & Technology April 5, 2010 Anthony O'Donnell |
Recent Natural Catastrophes Should Alert U.S. Insurers to Dangers Experience with seismic events mitigated the human and property toll of the February Chile earthquake -- lessons that should inform insurers' planning in parts of the U.S. |
Geotimes July 2006 Carolyn Gramling |
Afar From Close-up Powerful stresses in the crust lead to frequent earthquakes and volcanism in the Afar Depression of northeastern Ethiopia. Researchers now say that the source of this activity reveals a possible new connection in Earth's interior. |
Geotimes February 2006 Kathryn Hansen |
Earthquake Rocks East Africa The East African Rift Zone experienced a damaging magnitude-7.4 earthquake Thursday in Mozambique, centered about 215 kilometers southwest of Beira. |
Geotimes December 2005 David Applegate |
A Year of Living Dangerously Recent destructive events are reminders of our society's growing vulnerability to natural disasters as more people move into harm's way. Scientists seeking to understand the underlying geologic systems have an obligation to learn more. |
Geotimes January 2007 Kathryn Hansen |
Eruptive Event Caught Red-Handed Researchers know that, in general, mid-ocean ridges are the site of periodic eruptive events that create new seafloor. At the East Pacific Rise, determining the seismic characteristics that lead up to eruptions could help researchers predict when and where along the trench future events are likely to occur. |
Geotimes October 2006 Carolyn Gramling |
Flexing Plates Produce Volcanoes There's a new kind of volcano in town, according to a new study. |
Geotimes January 2004 Megan Sever |
Climate aids mountain building Two geoscientists now hypothesize that the link between climate and mountain building in the Andes is a two-way street. |
Geotimes October 2004 Jay Chapman |
Melting Glaciers Promote Earthquakes In southern Alaska, melting glaciers heat up the possibility of earthquakes. |
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. |
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 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 March 2003 Parks & Pinsker |
Geophenomena Conversations between volcanoes ... Bending thoughts about Hawaiian chain |
Scientific American December 2008 Barbara Juncosa |
Stations in the Seas: Permanent Underwater Observatories Scientists envisage unmanned labs on the floor of the ocean to conduct experiments and monitor climate change |
Geotimes July 2004 Jay Chapman |
Earthquake Rattles Tibet Early Monday morning, an earthquake shook the sparsely populated Gangdise Mountains in Tibet. |
Geotimes May 2007 Kathryn Hansen |
Deep Earth May Hold an Ocean Earth's deep interior, more than 1,000 kilometers below the surface in the mantle, could prove to be a watery place. That's the conclusion researchers drew from an anomaly uncovered by the first global map of Earth's lower mantle, using a new type of seismic analysis. |
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. |
Geotimes August 2006 Megan Sever |
Faster Tsunami Warnings with GPS Time is of the essence when a giant earthquake strikes, especially underwater. Now, a team of researchers says that they have found a new way -- using GPS -- to more quickly determine if the quake is large enough to produce an ocean-wide tsunami. |
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 February 2004 Naomi Lubick |
Triggering Tsunamis A controversy over whether an earthquake or an underwater landslide generated the 1998 Papua New Guinea tsunami rekindled interest in such events; it also drew geologists into a field that had been dominated by modelers and seismologists. |
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 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 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 November 2003 Naomi Lubick |
Turkish tectonics Researchers recently published preliminary results of the first data collected with modern techniques documenting the tectonic and seismic regimes of eastern Turkey. Their work may overturn conceptions of the tectonic setting of the region. |
Geotimes December 2004 Megan Sever |
Devastation in the Indian Ocean A magnitude-9.0 earthquake struck off the coast of Sumatra, Indonesia, on Sunday morning, followed by dozens of powerful aftershocks and large tsunamis that reached as far as the east coast of Africa, some 4,800 kilometers away. |
PC World February 28, 2001 Stuart J. Johnston |
Seattle Quake Doesn't Rattle High-Tech Firms Monitors fell, techies shook, and Starbucks spilled--but business as usual is resuming. |
Geotimes July 2003 Greg Peterson |
Quake protection in the heartland A new building code based on a USGS map of earthquake risk suggests that buildings within the New Madrid zone -- which stretches from just west of Memphis, Tenn., to southern Illinois -- should meet the same seismic standards as those in California. |
Chemistry World January 14, 2014 Ian Randall |
Early start for plate tectonics Subduction of the Earth's crust -- and modern-day plate tectonics -- may have begun as early as the Hadean Eon, 4.4 billion years ago, according to a new study led by researchers from Australia. |
Scientific American March 2005 Madhusree Mukerjee |
The Scarred Earth Tsunami-spawning quake leaves geophysical changes. |