GSTDTAP  > 气候变化
DOI10.1029/2020GL087477
Unraveling scaling properties of slow‐slip events
Luca Dal Zilio; Nadia Lapusta; Jean‐; Philippe Avouac
2020-05-12
发表期刊Geophysical Research Letters
出版年2020
英文摘要

A major debate in geophysics is whether earthquakes and slow‐slip events (SSEs) arise from similar failure mechanisms. Recent observations from different subduction zones suggest that SSEs follow the same moment‐duration scaling as earthquakes, unlike qualitatively different scaling proposed by earlier studies. Here, we examine the scaling properties using dynamic simulations of frictional sliding. The resulting sequences of SSEs match observations from the Cascadia subduction zone, including the earthquake‐like cubic moment‐duration scaling. In contrast to conventional and widely used assumptions of magnitude‐invariant rupture velocities and stress drops, both simulated and natural SSEs have rupture velocities and stress drops that increase with event magnitudes. These findings support the same frictional origin for both earthquakes and SSEs while suggesting a new explanation for the observed SSEs scaling.

领域气候变化
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被引频次:37[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/249106
专题气候变化
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GB/T 7714
Luca Dal Zilio,Nadia Lapusta,Jean‐,等. Unraveling scaling properties of slow‐slip events[J]. Geophysical Research Letters,2020.
APA Luca Dal Zilio,Nadia Lapusta,Jean‐,&Philippe Avouac.(2020).Unraveling scaling properties of slow‐slip events.Geophysical Research Letters.
MLA Luca Dal Zilio,et al."Unraveling scaling properties of slow‐slip events".Geophysical Research Letters (2020).
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