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@article{Barnes:2020:10.1126/sciadv.aay3314,
author = {Barnes, PM and Wallace, LM and Saffer, DM and Bell, RE and Underwood, MB and Fagereng, A and Meneghini, F and Savage, HM and Rabinowitz, HS and Morgan, JK and Kitajima, H and Kutterolf, S and Hashimoto, Y and Engelmann, de Oliveira CH and Noda, A and Crundwell, MP and Shepherd, CL and Woodhouse, AD and Harris, RN and Wang, M and Henrys, S and Barker, DHN and Petronotis, KE and Bourlange, SM and Clennell, MB and Cook, AE and Dugan, BE and Elger, J and Fulton, PM and Gamboa, D and Greve, A and Han, S and Hüpers, A and Ikari, MJ and Ito, Y and Kim, GY and Koge, H and Lee, H and Li, X and Luo, M and Malie, PR and Moore, GF and Mountjoy, JJ and McNamara, DD and Paganoni, M and Screaton, EJ and Shankar, U and Shreedharan, S and Solomon, EA and Wang, X and Wu, H-Y and Pecher, IA and LeVay, LJ and IODP, Expedition 372 Scientists},
doi = {10.1126/sciadv.aay3314},
journal = {Science Advances},
title = {Slow slip source characterized by lithological and geometric heterogeneity},
url = {http://dx.doi.org/10.1126/sciadv.aay3314},
volume = {6},
year = {2020}
}

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TY  - JOUR
AB  - Slow slip events (SSEs) accommodate a significant proportion of tectonic plate motion at subduction zones, yet little is known about the faults that actually host them. The shallow depth (<2 km) of well-documented SSEs at the Hikurangi subduction zone offshore New Zealand offers a unique opportunity to link geophysical imaging of the subduction zone with direct access to incoming material that represents the megathrust fault rocks hosting slow slip. Two recent International Ocean Discovery Program Expeditions sampled this incoming material before it is entrained immediately down-dip along the shallow plate interface. Drilling results, tied to regional seismic reflection images, reveal heterogeneous lithologies with highly variable physical properties entering the SSE source region. These observations suggest that SSEs and associated slow earthquake phenomena are promoted by lithological, mechanical, and frictional heterogeneity within the fault zone, enhanced by geometric complexity associated with subduction of rough crust.
AU  - Barnes,PM
AU  - Wallace,LM
AU  - Saffer,DM
AU  - Bell,RE
AU  - Underwood,MB
AU  - Fagereng,A
AU  - Meneghini,F
AU  - Savage,HM
AU  - Rabinowitz,HS
AU  - Morgan,JK
AU  - Kitajima,H
AU  - Kutterolf,S
AU  - Hashimoto,Y
AU  - Engelmann,de Oliveira CH
AU  - Noda,A
AU  - Crundwell,MP
AU  - Shepherd,CL
AU  - Woodhouse,AD
AU  - Harris,RN
AU  - Wang,M
AU  - Henrys,S
AU  - Barker,DHN
AU  - Petronotis,KE
AU  - Bourlange,SM
AU  - Clennell,MB
AU  - Cook,AE
AU  - Dugan,BE
AU  - Elger,J
AU  - Fulton,PM
AU  - Gamboa,D
AU  - Greve,A
AU  - Han,S
AU  - Hüpers,A
AU  - Ikari,MJ
AU  - Ito,Y
AU  - Kim,GY
AU  - Koge,H
AU  - Lee,H
AU  - Li,X
AU  - Luo,M
AU  - Malie,PR
AU  - Moore,GF
AU  - Mountjoy,JJ
AU  - McNamara,DD
AU  - Paganoni,M
AU  - Screaton,EJ
AU  - Shankar,U
AU  - Shreedharan,S
AU  - Solomon,EA
AU  - Wang,X
AU  - Wu,H-Y
AU  - Pecher,IA
AU  - LeVay,LJ
AU  - IODP,Expedition 372 Scientists
DO  - 10.1126/sciadv.aay3314
PY  - 2020///
SN  - 2375-2548
TI  - Slow slip source characterized by lithological and geometric heterogeneity
T2  - Science Advances
UR  - http://dx.doi.org/10.1126/sciadv.aay3314
UR  - https://www.ncbi.nlm.nih.gov/pubmed/32232148
UR  - http://hdl.handle.net/10044/1/78705
VL  - 6
ER  -

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