News tagged with fault

New monitoring stations detect 'silent earthquakes' in Costa Rica

Feb 15, 2009 | 4.5 / 5 (2) | 1

After installing an extensive network of monitoring stations in Costa Rica, researchers have detected slow slip events (also known as "silent earthquakes") along a major fault zone beneath the Nicoya Peninsula. These findings ...

Locations of strain, slip identified in major earthquake fault

Space & Earth / Earth Sciences

Feb 15, 2009 | 4.8 / 5 (4) | 0

Deep-sea drilling into one of the most active earthquake zones on the planet is providing the first direct look at the geophysical fault properties underlying some of the world's largest earthquakes and tsunamis.

Early warning systems underestimate magnitude of large earthquakes

Space & Earth / Earth Sciences

Jan 28, 2009 | not rated yet | 0

Scientists seek to create reliable early warning systems that accurately estimate the magnitude of an earthquake within the first seconds of rupture. In this paper published by the Bulletin of the Seismological Society of ...

New liquefaction hazard maps of Santa Clara Valley, Northern California

Space & Earth / Earth Sciences

Jan 27, 2009 | 3 / 5 (3) | 0

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 ...

Trapped water cause of regular tremors under Vancouver Island

Space & Earth / Earth Sciences

Dec 31, 2008 | 4 / 5 (6) | 0

University of British Columbia researchers are offering the first compelling evidence to explain regular tremors under Vancouver Island.

Great Indian Ocean earthquake of 2004 set off tremors in San Andreas fault

Space & Earth / Earth Sciences

Dec 10, 2008 | 4.5 / 5 (6) | 0

In the last few years there has been a growing number of documented cases in which large earthquakes set off unfelt tremors in earthquake faults hundreds, sometimes even thousands, of miles away.

New analysis of earthquake zone raises questions

Space & Earth / Earth Sciences

Aug 26, 2008 | 4.4 / 5 (11) | 0

Oregon State University scientists have completed a new analysis of an earthquake fault line that extends some 200 miles off the southern and central Oregon coast that they say is more active than the San Andreas Fault in ...

Mud pots signal possible extension of San Andreas Fault

Space & Earth / Earth Sciences

Jul 29, 2008 | 4.5 / 5 (6) | 1

A linear string of mud pots and mud volcanoes suggest surface evidence for a southern extension of the San Andreas Fault that runs through the Salton Sea, according to a paper published in the August issue of the Bulletin of ...