On the vertical extent of the large low shear velocity province beneath the South Pacific Superswell

Details On the vertical extent of the large low shear velocity province beneath the South Pacific Superswell On the vertical extent of the large low shear velocity province beneath the South Pacific Superswell

Apr 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009georl..3607305t&link_type=abstract

Geophysical Research Letters, Volume 36, Issue 7, CiteID L07305

Physics

3

Seismology: Body Waves, Seismology: Mantle (1212, 1213, 8124), Seismology: Tomography (6982, 8180)

Scientific paper

The three-dimensional S-wave velocity structure beneath the South Pacific Superswell is obtained from joint broadband seismic experiments on the ocean floor and islands. We collected only approximately 800 relative times of long-period teleseismic SH-waves by using a waveform cross-correlation from 76 events occurring from January 2003 to May 2005. We conducted relative time tomography to obtain a 3D structure to depths of 1600 km. In the resultant image, we find a characteristic distribution of low-velocity regions. The most prominent features are a large doughnut-shaped low-velocity region at 800 km depth, and an elongated large low-velocity region beneath the Society to Pitcairn hotspots at 1200 km depth. Our model suggests that a large low shear velocity province rooted in the D″ extends upwards and culminates near the top of the lower mantle beneath the central part of the South Pacific Superswell although its perfect continuity is not still confirmed.

Affiliated with

Also associated with

No associations

Rating

On the vertical extent of the large low shear velocity province beneath the South Pacific Superswell does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with On the vertical extent of the large low shear velocity province beneath the South Pacific Superswell, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and On the vertical extent of the large low shear velocity province beneath the South Pacific Superswell will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1247906