AGU Highlights and Press Releases: Earthquakes
This collection of earthquake-related AGU Press Releases and Highlights from 1996 to 10 April, 2006 can be used to facilitate the use of news in science teaching.
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Corrections of the Indian gauge data used for early assessments of the great 26 December 2004 earthquake (more info) Slip velocity is re-evaluated over the region of the December 26, 2004 Sumatra-Andaman earthquake...
Predicting catastrophic earthquakes (more info) A method based on the magnitude-frequency distribution of previous earthquakes in a region is used to examine the probability of a small earthquake growing into a catastrophic one…
Reassessing the earthquake threat to San Francisco (more info) Authorities may need to reassess the threat posed by the fault responsible for San Francisco's highly destructive 1868 earthquake...
Earthquake causes distant tremors off Japan coast (more info) A nationwide network in Japan senses tremors triggered from waves that traveled long distances through the Earth’s crust.
Cracks from a Japanese earthquake heal in two years (more info) Seventeen years of shockwave recordings were used to investigate crack healing after the large March 1997 Tokai region earthquake…
Molten rock makes big earthquakes bigger (more info) Two plates sliding against each other was simulated with a modified friction welding device that spins one small cylinder of granite against another at high speed and pressure...
Magma shakes up earthquake locations (more info) Numerical models were employed to examine the relationships between the orientation of volcanotectonic faults and magma movement…
Seismic Network Could Improve Disaster Response (more info) Strengthening the Global Seismographic Network will facilitate rapid characterization of earthquakes that cause tsunami and can thus save lives.
Improving earthquake warning in Costa Rica (more info) A seismic wave study that confirmed crust-mantle boundary depth and mantle seismic velocities in part of the Middle America subduction zone contributes to improved earthquake hazard estimates for the area...
Stopping stick-slip seismic events? (more info) Modeled underground frictional resistance in stick-slip seismic events determined the exact moment of slip commencement and the maximum ground motion speed…
Using GPS for earthquake imaging (more info) GPS stations are used to measure displacement after earthquakes…
Details of North African tectonics (more info) Coastal shoreline movement measurements after a 2003 earthquake in Algeria constrained the quake's slip location and may help refine estimates for the little-studied North African plate boundary...
Using GPS to measure remote earthquakes (more info) Global Positioning System (GPS) observations complement existing seismic measurement techniques to estimate fault motion during large earthquak...
Silent earthquakes in Cascades (more info) Continuous GPS and seismic data from N. California show that slow earthquakes periodically rupture the Gorda-North America plate interface within southern Cascadia...
Amplifying seismic waves through the ground (more info) Seismic data indicate that energy from tremors combined in the soft soil below Mexico city and caused ground shaking far into central Mexico...
Plumbing the depths of the San Andreas Fault (more info) Deep seismic monitors within the San Andreas Fault can provide unique information about the fault system and allow unprecedented monitoring for earthquakes in Southern California…
Generalized law for aftershocks (more info) Three earthquake aftershock laws are combined to create a general theory for estimating the probability of future aftershocks.
Examining post-seismic slip after Japanese earthquake (more info) Global Positioning System (GPS) satellites data indicates post-seismic slip following the 2003 Tokachi-oki earthquake in Japan was concentrated adjacent to, rather than within, the earthquake rupture zone.
GPS method to track ground movement after earthquakes (more info) GPS data enable a rapid processing technique to measure land movement following an earthquake…
Earth's formations help transfer energy from earthquakes (more info) Data from the 1906 San Francisco earthquake was used to model the transfer of accumulated stresses along the San Andreas fault line...
Special section on Eastern Turkey Seismic Experiment (more info) The 15 December 2003 issue of Geophysical Research Letters features a collection of papers about the Eastern Turkey Seismic Experiment…
Identifying source of infrasonic waves from Denali earthquake (more info) Study of infrasonic waves reveals their source to be sudden motion from ground rupture during the 2002 Denali earthquake in Alaska …
Damage to Buildings Near World Trade Center Towers Caused by Falling Debris and Air Pressure Wave, Not Ground Shaking (more info) Buildings around the World Trade Center towers were impacted both by the kinetic energy of falling debris and by the pressure exerted on them by a dust- and particle-laden blast...
Earthquake prediction method topic of special issue of Geophysical Research Letters (more info) An intense scientific controversy over the VAN method of earthquake prediction is discussed...
