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Insights to the Complexity of Strike-Slip Faults From Interseismic Deformation
Insights to the Complexity of Strike-Slip Faults From Interseismic Deformation
Insights to the Complexity of Strike-Slip Faults From Interseismic Deformation

Detailed Information

자료유형  
 학위논문 서양
최종처리일시  
20260202105134
ISBN  
9798293889372
DDC  
550
저자명  
Vavra, Ellis Jay.
서명/저자  
Insights to the Complexity of Strike-Slip Faults From Interseismic Deformation
발행사항  
[Sl] : University of California, San Diego, 2025
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2025
형태사항  
238 p
주기사항  
Source: Dissertations Abstracts International, Volume: 87-03, Section: B.
주기사항  
Advisor: Fialko, Yuri.
학위논문주기  
Thesis (Ph.D.)--University of California, San Diego, 2025.
초록/해제  
요약Continental strike-slip faults comprise the dominant sources of seismic hazard in California. The San Andreas fault system in particular has not experienced a major M 7 earthquake since the 1906 San Francisco earthquake, and it is estimated to have been two-to-three times longer since a major event last occurred the southern San Andreas fault (SSAF). Since no quantitative records exists for such an event, information about the factors that influence the occurrence and nature of large earthquakes on the southern San Andreas fault system must be extracted from observations during the interseismic phase, or from analogous fault systems in other parts of the world.In this dissertation, I leverage a collection of remarkable space geodetic observations of interseismic fault deformation along the San Andreas and Eastern Anatolian fault systems in order to improve understanding of the mechanical properties and behavior of large continental strike-slip faults. Chapter 1 combines modeling of interferometric synthetic aperture radar measurements of fault creep with seismic reflection analysis to demonstrate that the SSAF has a significant component of northeast dip in the shallow crust. Chapter 2 examines the kinematics of a transient slow slip event (SSE) on the Superstition Hills fault, which lies within the broader San Andreas fault system, and shows that there appears to be a characteristic pattern in which the fault accommodates shallow creep. Chapter 3 evaluates the destructive 2023 Turkyie earthquake doublet, which occurred on major continental strike-slip faults analogous to those found in southern California, and demonstrated that these earthquakes released more built-up strain than had accumulated since the preceding major M 7 earthquakes. Finally, Chapter 4 returns to the SSAF to produce models that capture complex variability in shallow creep associated with dynamic triggering from the Mw 8.2 Chiapas earthquake. Ultimately, this collection of studies demonstrates how measurements of interseismic deformation can be used to improve understanding of the fault properties that directly influence earthquake ruptures, as well as illuminates the complexity of fault slip on time scales ranging from minutes-to-millenia.
일반주제명  
Geophysics
일반주제명  
Sedimentary geology
키워드  
Fault creep
키워드  
Fault mechanics
키워드  
Fault structure
키워드  
Geodesy
키워드  
Slow-slip
키워드  
Strike-slip faults
기타저자  
University of California, San Diego Scripps Institution of Oceanography
기본자료저록  
Dissertations Abstracts International. 87-03B.
전자적 위치 및 접속  
로그인 후 원문을 볼 수 있습니다.

MARC

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■040    ▼aMiAaPQ▼cMiAaPQ
■0820  ▼a550
■1001  ▼aVavra,  Ellis  Jay.
■24510▼aInsights  to  the  Complexity  of  Strike-Slip  Faults  From  Interseismic  Deformation
■260    ▼a[Sl]▼bUniversity  of  California,  San  Diego▼c2025
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2025
■300    ▼a238  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  87-03,  Section:  B.
■500    ▼aAdvisor:  Fialko,  Yuri.
■5021  ▼aThesis  (Ph.D.)--University  of  California,  San  Diego,  2025.
■520    ▼aContinental  strike-slip  faults  comprise  the  dominant  sources  of  seismic  hazard  in  California.  The  San  Andreas  fault  system  in  particular  has  not  experienced  a  major  M    7  earthquake  since  the  1906  San  Francisco  earthquake,  and  it  is  estimated  to  have  been  two-to-three  times  longer  since  a  major  event  last  occurred  the  southern  San  Andreas  fault  (SSAF).  Since  no  quantitative  records  exists  for  such  an  event,  information  about  the  factors  that  influence  the  occurrence  and  nature  of  large  earthquakes  on  the  southern  San  Andreas  fault  system  must  be  extracted  from  observations  during  the  interseismic  phase,  or  from  analogous  fault  systems  in  other  parts  of  the  world.In  this  dissertation,  I  leverage  a  collection  of  remarkable  space  geodetic  observations  of  interseismic  fault  deformation  along  the  San  Andreas  and  Eastern  Anatolian  fault  systems  in  order  to  improve  understanding  of  the  mechanical  properties  and  behavior  of  large  continental  strike-slip  faults.  Chapter  1  combines  modeling  of  interferometric  synthetic  aperture  radar  measurements  of  fault  creep  with  seismic  reflection  analysis  to  demonstrate  that  the  SSAF  has  a  significant  component  of  northeast  dip  in  the  shallow  crust.  Chapter  2  examines  the  kinematics  of  a  transient  slow  slip  event  (SSE)  on  the  Superstition  Hills  fault,  which  lies  within  the  broader  San  Andreas  fault  system,  and  shows  that  there  appears  to  be  a  characteristic  pattern  in  which  the  fault  accommodates  shallow  creep.  Chapter  3  evaluates  the  destructive  2023  Turkyie  earthquake  doublet,  which  occurred  on  major  continental  strike-slip  faults  analogous  to  those  found  in  southern  California,  and  demonstrated  that  these  earthquakes  released  more  built-up  strain  than  had  accumulated  since  the  preceding  major  M    7  earthquakes.  Finally,  Chapter  4  returns  to  the  SSAF  to  produce  models  that  capture  complex  variability  in  shallow  creep  associated  with  dynamic  triggering  from  the  Mw  8.2  Chiapas  earthquake.  Ultimately,  this  collection  of  studies  demonstrates  how  measurements  of  interseismic  deformation  can  be  used  to  improve  understanding  of  the  fault  properties  that  directly  influence  earthquake  ruptures,  as  well  as  illuminates  the  complexity  of  fault  slip  on  time  scales  ranging  from  minutes-to-millenia.
■590    ▼aSchool  code:  0033.
■650  4▼aGeophysics
■650  4▼aSedimentary  geology
■653    ▼aFault  creep
■653    ▼aFault  mechanics
■653    ▼aFault  structure
■653    ▼aGeodesy
■653    ▼aSlow-slip
■653    ▼aStrike-slip  faults
■690    ▼a0373
■690    ▼a0467
■690    ▼a0594
■71020▼aUniversity  of  California,  San  Diego▼bScripps  Institution  of  Oceanography.
■7730  ▼tDissertations  Abstracts  International▼g87-03B.
■790    ▼a0033
■791    ▼aPh.D.
■792    ▼a2025
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17359541▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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