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Arecibo Observatory main suspension cable repaired following earthquake（图）
earthquake Arecibo Observatory
2014/3/20
MENLO PARK, Calif.—March 12, 2014—On January 13, 2014, the William E. Gordon radio telescope in Arecibo, Puerto Rico sustained damage following a 6.4 magnitude earthquake that was centered 37 miles no...
Arecibo Observatory main suspension cable repaired following earthquake
Arecibo Observatory earthquake
2014/3/20
On Jan. 13, 2014, the William E. Gordon radio telescope in Arecibo, Puerto Rico, sustained damage following a 6.4 magnitude earthquake that was centered 37 miles northwest of Arecibo. Today, the obser...
Analysis of soil radon data in earthquake precursory studies
LR-115 Radon monitoring Correlation Seismic activity
2015/8/18
Soil radon data were recorded at two selected sites along Mat fault in Mizoram (India), which lies in the highest seismic zone in India. The study was carried out during July 2011 to May 2013 using LR...
The crust and uppermost mantle structure of Southern Peru from ambient noise and earthquake surface wave analysis
Central Andes flat subduction surface wave tomography
2014/4/10
Southern Peru is located in the northern Central Andes, which is the highest plateau along an active subduction zone. In this region, the Nazca slab changes from normal to flat subduction, with the as...
Introduction to the Special Issue on the 2011 Tohoku Earthquake and Tsunami
Special Issue on the 2011 Tohoku Earthquake Tsunami
2014/4/9
The 11 March 2011 Tohoku earthquake (05:46:24 UTC) involved a massive rupture of the plate-boundary fault along which the Pacific plate thrusts under northeastern Honshu, Japan. It was the fourth-larg...
Low friction along the high slip patch of the 2011 Mw 9.0 Tohoku-Oki earthquake required from the wedge structure and extensional splay faults
Low friction along the high slip patch 2011 Mw 9.0 Tohoku-Oki earthquake required the wedge structure extensional splay faults
2014/4/15
We analyze the mechanical properties needed to account for the large shallow slip during the 2011 Tohoku-Oki earthquake and the activation of landward normal faulting within the forearc. We show that ...
Bayesian inversion for finite fault earthquake source models I—theory and algorithm
Bayesian inversion finite fault earthquake source model theory algorithm
2014/4/9
The estimation of finite fault earthquake source models is an inherently under determined problem: there is no unique solution to the inverse problem of determining the rupture history at depth as a f...
Observation of Core PhaseScSfrom theMw9.0 Tohoku-Oki Earthquake with High-Rate GPS
Core PhaseS Me9.0 Tohoku-Oki Earthquake High-Rate GPS
2014/4/9
High-rate Global Positioning Systems (GPS) observations can record ground motions from moderate to strong earthquakes at distances of a few kilometers up to thousands of kilometers(Larsonet al., 2003;...
Megathrust friction determined from mechanical analysis of the forearc in the Maule earthquake area
Maule earthquake frictional properties dynamic weakening critical wedge
2014/4/15
The seismogenic potential of a given fault depends essentially on its frictional properties and on the mechanical properties of the medium. Determining the spatio-temporal variations of frictional pro...
Coseismic and postseismic slip associated with the 2010 Maule Earthquake, Chile: Characterizing the Arauco Peninsula barrier effect
Coseismic postseismic slip Maule Earthquake Chile Characterizing the Arauco Peninsula barrier effect
2014/4/9
Observations of coseismic and postseismic deformation associated with the 2010 Mw= 8.8 Maule earthquake in south-central Chile provide constraints on the spatial heterogeneities of frictional properti...
Coseismic and postseismic slip associated with the 2010 Maule Earthquake, Chile: Characterizing the Arauco Peninsula barrier effect
Coseismic and postseismic slip Maule Earthquake Chile Characterizing the Arauco Peninsula barrier effect
2014/4/15
Observations of coseismic and postseismic deformation associated with the 2010 Mw= 8.8 Maule earthquake in south-central Chile provide constraints on the spatial heterogeneities of frictional properti...
The 2010Mw8.8 Maule, Chile earthquake: Nucleation and rupture propagation controlled by a subducted topographic high
2010Mw8.8 Maule Chile earthquake Nucleation rupture propagation controlled a subducted topographic high
2014/4/9
Knowledge of seismic properties in an earthquake rupture zone is essential for understanding the factors controlling rupture dynamics. We use data from aftershocks following the Maule earthquake to de...
The potential for a great earthquake along the southernmost Ryukyu subduction zone
a great earthquake southernmost Ryukyu subduction zone
2014/4/9
Interseismic GPS data along the Hualien-Suao coast(NE Taiwan) shows a pattern of strain accumulation that is consistent with a potential future large shallow earthquake along the southernmost Ryukyu s...
The dilatancy-diffusion hypothesis and earthquake predictability
dilatancy-diffusion hypothesis earthquake predictability
2014/5/19
The dilatancy–diffusion hypothesis was one of the first attempts to predict the form of potential geophysical signals that may precede earthquakes, and hence provide a possible physical basis for eart...
Modeling of the ionosphere response on the earthquake preparation
Total Electron Content seismogenic electric current earthquake precursors ionosphere UAM modeling
2012/5/17
Seismo-ionosphere coupling processes have been investigated considering the GPS observed anomalous ionospheric Total Electron Content (TEC) variations before strong earthquakes as their precursors. Th...