News tagged with earthquake zone

Earthquakes actually aftershocks of 19th century quakes

(PhysOrg.com) -- When small earthquakes shake the central U.S., citizens often fear the rumbles are signs a big earthquake is coming. Fortunately, new research instead shows that most of these earthquakes ...

Space & Earth / Earth Sciences

created Nov 04, 2009 | popularity 4.4 / 5 (20) | comments 13

New data: Mega-quake could strike near Seattle

Using sophisticated seismometers and GPS devices, scientists have been able to track minute movements along two massive tectonic plates colliding 25 miles or so underneath Washington state's Puget Sound basin. Their early ...

Space & Earth / Earth Sciences

created Aug 16, 2009 | popularity 4.9 / 5 (14) | comments 2

There's a hole in this possible earthquake pattern

As University of California at Davis physicist and geologist John Rundle ponders the map of recent California earthquakes, he sees visions of a doughnut even Homer J. Simpson wouldn't like.

Space & Earth / Earth Sciences

created Jul 22, 2010 | popularity 4 / 5 (13) | comments 3

Tremors on southern San Andreas Fault may mean increased quake risk

(PhysOrg.com) -- Increases in mysterious underground tremors observed in several active earthquake fault zones around the world could signal a build-up of stress at locked segments of the faults and presumably ...

Space & Earth / Earth Sciences

created Jul 09, 2009 | popularity 4.2 / 5 (11) | comments 4

Scientists find odd twist in slow 'earthquakes': Tremor running backwards

Earthquake scientists trying to unravel the mysteries of an unfelt, weeks-long seismic phenomenon called episodic tremor and slip have discovered a strange twist. The tremor can suddenly reverse direction ...

Space & Earth / Earth Sciences

created May 22, 2011 | popularity 4.8 / 5 (9) | comments 2 | with audio podcast

New system can warn of tsunamis within minutes

Seismologists have developed a new system that could be used to warn future populations of an impending tsunami only minutes after the initial earthquake. The system, known as RTerg, could help reduce the death toll by giving ...

Space & Earth / Earth Sciences

created Mar 04, 2011 | popularity 4.8 / 5 (8) | comments 0 | with audio podcast

Tremors between slip events: More evidence of great quake danger to Seattle

(PhysOrg.com) -- For most of a decade, scientists have documented unfelt and slow-moving seismic events, called episodic tremor and slip, showing up in regular cycles under the Olympic Peninsula of Washington state and Vancouver ...

Space & Earth / Earth Sciences

created Dec 15, 2009 | popularity 4.4 / 5 (8) | comments 0

New research on Japanese quake ominous for Pacific Northwest

Scientists are still unraveling last year's giant Tohoku earthquake and tsunami in Japan, and some of what they're finding doesn't bode well for the Pacific Northwest.

Space & Earth / Earth Sciences

created Feb 21, 2012 | popularity 4.9 / 5 (7) | comments 14

Shaking the Earth: How Water Helps Tectonic Plates Slide in New Zealand

(PhysOrg.com) -- New Zealand is the site of one of the world’s youngest subduction zones, where the Pacific Plate of Earth’s crust dives beneath the Australian Plate. Now, a University of Utah study shows ...

Space & Earth / Earth Sciences

created Aug 05, 2009 | popularity 4.1 / 5 (7) | comments 1

New Sumatra quake takes seismologists by surprise

The huge earthquake that hit Sumatra occurred at a deep, unexpected location, illustrating the dangerously complex geological mosaic in this area, a seismologist told AFP on Thursday.

Space & Earth / Earth Sciences

created Oct 01, 2009 | popularity 4.5 / 5 (6) | comments 1

Odds are about 1-in-3 that a mega-earthquake will hit the Northwest in the next 50 years

The major earthquakes that devastated Chile earlier this year and which triggered the catastrophic Indonesian tsunami of 2004 are more than just a distinct possibility to strike the Pacific Northwest coast of the United States, ...

Space & Earth / Earth Sciences

created May 24, 2010 | popularity 4.3 / 5 (6) | comments 0 | with audio podcast

Researchers create 3-D laser maps that show how earthquake changes landscape

Geologists have a new tool to study how earthquakes change the landscape down to a few inches, and it's giving them insight into how earthquake faults behave. In the Feb. 10 issue of the journal Science, a team ...

Space & Earth / Earth Sciences

created Feb 09, 2012 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Report cites 'liquefaction' as key to much of Japanese earthquake damage

(PhysOrg.com) -- The massive subduction zone earthquake in Japan caused a significant level of soil "liquefaction" that has surprised researchers with its widespread severity, a new analysis shows.

Space & Earth / Earth Sciences

created Apr 18, 2011 | popularity 4.8 / 5 (5) | comments 0 | with audio podcast

Scientists Expose 'Buried' Fault that Caused Deadly 2003 Quake in Iran

(PhysOrg.com) -- Using satellite radar data, NASA-funded scientists, including UC Riverside’s Gareth Funning, have observed for the first time the healing of subtle, natural surface scars from an earthquake ...

Space & Earth / Earth Sciences

created Mar 05, 2009 | popularity 5 / 5 (4) | comments 0

Researchers release first large observational study of 9.0 Tohoku-Oki earthquake

When the magnitude 9.0 Tohoku-Oki earthquake and resulting tsunami struck off the northeast coast of Japan on March 11, they caused widespread destruction and death. Using observations from a dense regional ...

Space & Earth / Earth Sciences

created May 19, 2011 | popularity 5 / 5 (4) | comments 4 | with audio podcast