Deep-focus earthquakesAt transition zone depths in subduction zones, deep-focus earthquakes (300–690km depth) are thought to be associated with faulting that arises from phase transformations. In order to test the viability of this mechanism experimentally, an investigation was conducted on fayalite ...
proper orientation or path with a small content of stronger phases) may lead to inability to reach very fast localized PT and plastic flow and cause an earthquake, which explains why the strong earthquakes are relatively rare events. Similarly, lack of seismic activity below 660 km, where end...
Location Differences between Intermediate and Deep Focus Earthquakes in Taiwan Using Different Location Methods in Java Open System The Fujian network monitors earthquakes in the Taiwan region.The seismic stations are distributed beside the epicenter and there is a small opening angle b......
For earthquakes deeper than 450 km the fault plane solutions are much more scattered. In some places the fault plane pattern suggests the creation of new fault planes along orientations of maximum shear with zero internal friction. The pattern of fault plane solutions in particular localized ...
Stress fields associated with metastable phase transitions in descending slabs and deep-focus earthquakes. Phys. Earth Planet. Inter., 104: 345-361.Yoshioka S, Daessler R, Yuen D A. 1997. Stress field associated with metastable phase transitions in descending slabs and deep-focus earthquakes [J...
Faulting associated with the olivine to spinel transformation in Mg2GeO4 and its implications for deep-focus earthquakes[J]. J Geophys Res, 1991, 96:425-443.Burnly P C,Green Ⅱ H W,Prior D J.Faulting associated with the olivine to spinel transformation in Mg2 GeO4 and its implication for...
Intermediate and deep earthquakesVelocity anomaliesVp/VsratioThe Tonga subduction zone in the south-west Pacific is the fastest convergent plate boundary in the world with the most active mantle seismicity. This zone shows unique tectonic features including Samoan volcanic lineament of plume-driven ...
(1991) Faulting associated with the olivine to spinel transformation in Mg2GeO4 and its implications for deep-focus earthquakes, Journal of Geophysical Research 96 , 425–443.Burnley P C, Green H W, Prior D. 1991. Faulting associated with the olivine to spinel transformation in Mg 2 GeO 4 ...
These very deep earthquakes (depth ≥350 km) significantly differ from the shallow events. Their sources, in contrast to the shallow focus events, are located inside the plate. The examination of seven seismic zones described in the present study, except for the Honsu-Kamchatka zone which ...
The cause of deep-focus earthquakes beneath subduction zones remains unclear, but dehydration of hydrated minerals within the subducting slab is a strong c... DP Dobson,PG Meredith,SA Boon 被引量: 6发表: 2002年 Body wave directivity functions for two-dimensional fault model and kinematic paramete...