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  1. Oct 17 2022

    2022 Seismic Cycles Workshop

    Seismic Cycle Modeling Online Symposium - October 17-19, 2022The Seismic Cycle Modeling Online Symposium (October 17-19) will discuss the many challenges associated with understanding and...

  2. 2022 Seismic Cycles Workshops

    13 Oct 2022 | Contributor(s):: Sylvain Barbot, Multiple

    Presentations from the 2022 Seismic Cycles Workshop. 

  3. 2022 Modeling shallow slow slip events along the Hikurangi margin: Insights into their segmentation and the effect of pore-pressure cycling

    02 Jul 2022 | | Contributor(s):: Andrea Perez-Silva

    Friday July 1, 2022 Andrea Perez-Silva, Victoria University of Wellington Over the last two decades, geodetic observations have revealed slow slip events (SSEs) in most subduction zones worldwide. Of these, SSEs that occur along the shallow (<~15 km depth) portion of the Hikurangi...

  4. 2022 Cycles of slow slip events on nonplanar subduction faults and their implications on megathrust earthquakes

    11 Jun 2022 | | Contributor(s):: Duo Li

    Slow slip and slow earthquakes (SSEs), driven by transient aseismic deformation along the subduction interface, are proposed to affect the initiation of megathrust earthquakes. Prominent examples, as inferred from geodetic and seismic observations, include the 2011 M9.1Tohoku-Oki,, the 2014...

  5. 2022 Fault-size dependent fracture energy, seismogenesis, and cascading rupture on multi-scale fault networks

    29 May 2022 | | Contributor(s):: Dmitry Garagash

    Fracture energy fundamentally affects all aspects of earthquake rupture, including fault seismogenesis. Seismological inferences of fracture energy [1-3] are seen to increase with both slip and the size of fault source. To explain these observations, refs [3-5] invoke co-seismic shear...

  6. 2022 Theoretical insights on the rupture arrest of large earthquakes

    24 May 2022 | | Contributor(s):: Jean Paul Ampuero

    What determines the size of an earthquake? How can we quantify the control of geometric and material heterogeneities on rupture segmentation? I will present recent progress in our theoretical understanding of earthquake rupture arrest, especially for the largest earthquakes. Recent advances in...

  7. 2022 Mainshock and aftershock sequence simulations in a nonplanar fault network

    19 May 2022 | | Contributor(s):: So Ozawa, Ryosuke Ando

    Aftershocks seem to be located along the trace of the mainshock fault; however, due to the location error, we do not know their exact location relative to the mainshock fault. Here, we hypothesize that most aftershocks occur on small subsidiary faults instead of the mainshock fault, and they...

  8. 2022 Rupture styles and recurrence patterns in seismic cycles linked to physical properties of the fault zone

    18 May 2022 | | Contributor(s):: Shiying Nie

    Rupture styles emerge in a broad range of rupture styles, from slow-slip events collocated with or without tremors to pulse-like earthquake sequences. Meanwhile, Earthquake catalogs exhibit various recurrence patterns, from periodic and characteristic earthquakes to chaotic sequences with...