News tagged with fault 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
Nov 04, 2009 |
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Sichuan quake was once-in-4,000-year event: scientists
People who were killed, injured or bereaved in the 2008 Sichuan earthquake had the cruel misfortune to be victims of an event that probably occurs just once in four millennia, seismologists said on Sunday.
Space & Earth / Earth Sciences
Sep 27, 2009 |
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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
Feb 09, 2012 |
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New data shows El MayorCucapah earthquake was simple on surface, complicated at depth
(PhysOrg.com) -- Like scars that remain on the skin long after a wound has healed, earthquake fault lines can be traced on Earth's surface long after their initial rupture. Typically, this line of intersection ...
Space & Earth / Earth Sciences
Aug 11, 2011 |
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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
Jul 22, 2010 |
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Geoscientists find clues to why first Sumatran earthquake was deadlier than second
An international team of geoscientists has uncovered geological differences between two segments of an earthquake fault that may explain why the 2004 Sumatra Boxing Day Tsunami was so much more devastating ...
Space & Earth / Earth Sciences
Jul 08, 2010 |
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Sun and moon trigger deep tremors on San Andreas Fault
The faint tug of the sun and moon on the San Andreas Fault stimulates tremors deep underground, suggesting that the rock 15 miles below is lubricated with highly pressurized water that allows the rock to slip with little ...
Space & Earth / Earth Sciences
Dec 23, 2009 |
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Mars: Chaotic terrain between Kasei Valles and Sacra Fossae
(PhysOrg.com) -- Mars Express flew over the boundary between Kasei Valles and Sacra Fossae and imaged the region, acquiring spectacular views of the chaotic terrain in the area.
Space & Earth / Space Exploration
Nov 06, 2009 |
4.8 / 5 (8) |
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Research gives glimpse of tectonic history on Puget Sound-region fault zones
(PhysOrg.com) -- New research on the Kitsap Peninsula, at the west edge of Washington state's Puget Sound, finds evidence that land was raised at least 6 feet by ancient earthquakes.
Space & Earth / Earth Sciences
Oct 19, 2009 |
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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
Jul 09, 2009 |
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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
Mar 05, 2009 |
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New liquefaction hazard maps of Santa Clara Valley, Northern California
New hazard maps for communities from San Jose to Palo Alto in Northern California delineate the probability of earthquake-induced liquefaction, based on three scenarios: a magnitude 7.8 on the San Andreas ...
Space & Earth / Earth Sciences
Jan 27, 2009 |
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LiDAR technology reveals faults near Lake Tahoe
Results of a new U.S. Geological Survey study conclude that faults west of Lake Tahoe, Calif., referred to as the Tahoe-Sierra frontal fault zone, pose a substantial increase in the seismic hazard assessment for the Lake ...
Space & Earth / Earth Sciences
May 24, 2012 |
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Signs of three major Japan quakes before 2011
Three major earthquakes seem to have occurred in northern Japan before it was hit in March 2011 by a massive quake and tsunami, researchers said Wednesday based on new evidence.
Space & Earth / Earth Sciences
Apr 25, 2012 |
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'Odd duck' Indonesia quake surprises scientists
(AP) -- The massive earthquake off Indonesia surprised scientists: Usually this type of jolt isn't this powerful.
Space & Earth / Earth Sciences
Apr 11, 2012 |
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