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AutoBATS and 3D MUSIC: New Approaches to Imaging Earthquake Rupture Behaviors

  • Book
  • © 2021

Overview

Authors:
  1. Pei-Ru Jian

    1. Institute of Earth Sciences, Academia Sinica, Taipei, Taiwan

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  • Presents automatic moment tensor inversion algorithm
  • Introduces 3D MUSIC Back Projection method and its applications of 2013 Okhotsk deep earthquake sequence
  • Inspects the asperities of a potential blind fault for 2010 and 2016 doublet earthquakes in southwestern Taiwan

Part of the book series: Springer Theses (Springer Theses)

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Table of contents (5 chapters)

  1. Front Matter

    Pages i-x
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  2. Introduction

    • Pei-Ru Jian
    Pages 1-8

  3. A New Automatic Full-Waveform Regional Moment Tensor Inversion Algorithm and Its Applications in the Taiwan Area

    • Pei-Ru Jian
    Pages 9-32

  4. 3D MUSIC Back Projection Rupture Images of the 2013 Great Okhotsk Deep Earthquake Sequence

    • Pei-Ru Jian
    Pages 33-58

  5. Rupture Characteristics of the 2016 Meinong Earthquake Revealed by the Back-Projection and Directivity Analysis of Teleseismic Broadband Waveforms

    • Pei-Ru Jian
    Pages 59-72

  6. The 2010 Jiashian and 2016 Meinong Earthquakes: Doublet Ruptures Interact Across Two Strong Asperities

    • Pei-Ru Jian
    Pages 73-99

  7. Back Matter

    Pages 101-101
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Keywords

About this book

This book presents the kinematic earthquake rupture studies from moment tenor to spatial-temporal rupture imaging. For real-time seismic hazard monitoring, the new stable automatic moment tensor (AutoBATS) algorithm is developed and implemented for the real-time MT reports by the Taiwan Earthquake Science Information System (TESIS). In order to understand the rupture behavior of the 2013 Mw 8.3 Okhotsk deep earthquake sequence, the 3D MUltiple SIgnal Classification Back Projection (MUSIC BP) with P and pP phases is applied. The combined P- and pP-wave BP imaging of the mainshock shows two stages of anti-parallel ruptures along two depths separating for about 10~15 km. Unusual super-shear ruptures are observed through the 3D BP images of two Mw 6.7 aftershocks. In last two chapters, the 3D BP imaging reveals similar rupture properties of two shallow catastrophic earthquakes (Mw=6.4) in southwestern Taiwan. Both the 2010 Jiashian and 2016 Meinong earthquakes ruptured westward with similar velocity of ~2.5 km/s along a NE-ward shallow dipping blind fault. The rupture similarities of the doublet suggest two parallel elongate asperities along the causative fault. After several decades of seismic quiescence, the 2010 Jiashian event initiated the rupture at the deeper asperity and triggered the shallower asperity which caused catastrophes six years later.

Authors and Affiliations

  • Institute of Earth Sciences, Academia Sinica, Taipei, Taiwan

    Pei-Ru Jian

About the author

Dr. Pei-Ru Jian received her Ph.D. In June 2018 from the National Taiwan University. She gained the Honorary Membership of The Phi Tau Phi Scholastic Honor Society of the Republic of China and the Dean’s Award of College of Science with her graduation. She also has gained several outstanding student Paper Awards for her prominent research work during her Ph.D. study. Dr. Pei-Ru Jian now works as Postdoctoral Scholar at the Institute of Earth Sciences, Academia Sinica, Taiwan. Her research focuses on the earthquake rupture imaging, seismotectonics, and seismic attenuation structures.

Bibliographic Information

  • Book Title: AutoBATS and 3D MUSIC: New Approaches to Imaging Earthquake Rupture Behaviors

  • Authors: Pei-Ru Jian

  • Series Title: Springer Theses

  • DOI: https://doi.org/10.1007/978-981-16-5584-5

  • Publisher: Springer Singapore

  • eBook Packages: Earth and Environmental Science, Earth and Environmental Science (R0)

  • Copyright Information: The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2021

  • Hardcover ISBN: 978-981-16-5583-8Published: 28 September 2021

  • Softcover ISBN: 978-981-16-5586-9Published: 29 September 2022

  • eBook ISBN: 978-981-16-5584-5Published: 27 September 2021

  • Series ISSN: 2190-5053

  • Series E-ISSN: 2190-5061

  • Edition Number: 1

  • Number of Pages: X, 101

  • Number of Illustrations: 3 b/w illustrations, 45 illustrations in colour

  • Topics: Geophysics/Geodesy, Natural Hazards

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