{"refrec":{"BRefID":337179,"RR":"<b>Arnulf, A.F.; Biemiller, J.; Lavier, L.; Wallace, L.M.; Bassett, D.; Henrys, S.; Pecher, I.; Crutchley, G.; Plaza-Faverola, A.</b> (2021). Physical conditions and frictional properties in the source region of a slow-slip event. <i>Nature Geoscience 14(5)</i>: 334-340. <a href=\"https://hdl.handle.net/10.1038/s41561-021-00741-0\" target=\"_blank\">https://hdl.handle.net/10.1038/s41561-021-00741-0</a>","BEntID":333801,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Nature Geoscience 14(5)</i>: 334-340. <a href=\"https://hdl.handle.net/10.1038/s41561-021-00741-0\" target=\"_blank\">https://hdl.handle.net/10.1038/s41561-021-00741-0</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Arnulf, A.F.; Biemiller, J.; Lavier, L.; Wallace, L.M.; Bassett, D.; Henrys, S.; Pecher, I.; Crutchley, G.; Plaza-Faverola, A.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Arnulf, A.F. <i>et al.</i>","Englishabstract":"Recent geodetic studies have shown that slow-slip events can occur on subduction faults, including their shallow (<15 km depth) parts where tsunamis are also generated. Although observations of such events are now widespread, the physical conditions promoting shallow slow-slip events remain poorly understood. Here we use full waveform inversion of controlled-source seismic data from the central Hikurangi (New Zealand) subduction margin to constrain the physical conditions in a region hosting slow slip. We find that the subduction fault is characterized by compliant, overpressured and mechanically weak material. We identify sharp lateral variations in pore pressure, which reflect focused fluid flow along thrust faults and have a fundamental influence on the distribution of mechanical properties and frictional stability along the subduction fault. We then use high-resolution data-derived mechanical properties to underpin rate–state friction models of slow slip. These models show that shallow subduction fault rocks must be nearly velocity neutral to generate shallow frictional slow slip. Our results have implications for understanding fault-loading processes and slow transient fault slip along megathrust faults.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Physical conditions and frictional properties in the source region of a slow-slip event","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2021,"MonPub":null,"DateUpdate":"2021-05-14","DateCreate":"2021-05-14","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000647948400001","VABBcode":null,"OpenAcc":0,"Handle":"10.1038/s41561-021-00741-0"},"refs":null,"anarec":{"AnaID":337179,"PubliDate":2021,"Pagination":"334-340","XtraPublOfAnaID":null,"ISBN":null,"Volume":"14","Issue":"5","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":123796,"SerRR":"Nature Geoscience. 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