Numerical study on multi-scaling earthquake rupture

Details Numerical study on multi-scaling earthquake rupture Numerical study on multi-scaling earthquake rupture

Jan 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004georl..3102606a&link_type=abstract

Geophysical Research Letters, Volume 31, Issue 2, CiteID L02606

Physics

5

Seismology: Earthquake Parameters, Seismology: Earthquake Dynamics And Mechanics, Seismology: Theory And Modeling, Structural Geology: Fractures And Faults

Scientific paper

A new numerical scheme using a renormalization and a 3D boundary integral equation method is proposed to simulate a multi-scaling dynamic rupture of earthquakes: How a small earthquake grows up to a large one in spatially heterogeneous field of critical slip-weakening distance Dc (fracture energy Gc)? We examine the case where Dc grows according to a hypocentral distance L (Dc ~ Lβ). When β = 1, we succeed to show numerically that a rupture propagates at a constant rupture speed in uniform initial stress field. This result still keeps the scaling relation of Gc and Dc inferred for earthquake size, however no scale-dependent initial process is required. The break of the proportional relation changes rupture speed as well as slip velocity to keep the energy balance. The rupture is accelerated up to a speed even faster than the shear wave velocity (β < 1) or naturally arrested (β > 1).

Affiliated with

Also associated with

No associations

Rating

Numerical study on multi-scaling earthquake rupture 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 Numerical study on multi-scaling earthquake rupture, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Numerical study on multi-scaling earthquake rupture will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1551045