What characterize seismic or aseismic slip in fault?
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Seismic and aseismic slip in faults are characterized by different modes of fault movement and energy release. Seismic slip refers to sudden, rapid fault movement that generates seismic waves, resulting in earthquakes. Aseismic slip, on the other hand, refers to slow fault movement that releases energy gradually without producing seismic waves. Aseismic slip can be influenced by factors such as the presence of fluids, stress interactions, and fault material heterogeneities . It plays a significant role in the initiation, propagation, and arrest of large earthquakes, as well as in controlling the amount of elastic strain in the crust . Fine-scale descriptions of aseismic slip at the surface and depth are crucial for understanding the factors that control the occurrence of slow, aseismic versus rapid, seismic fault slip . Rheological implications and alternative models are proposed to explain the occurrence of aseismic slip in specific locations .
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04 May 2023 | The paper discusses the factors that control the occurrence of slow, aseismic versus rapid, seismic fault slip, including material properties of the fault zone, pore fluid pressure, and geometrical complexities of the fault plane. It also mentions that the physical mechanisms responsible for keeping slip slow are still unclear. However, it does not provide a specific characterization of seismic or aseismic slip in faults. |
| The paper discusses the characteristics of aseismic slip on rate-weakening faults, which refers to a phase of slow fault slip before slip instability occurs. The paper does not specifically discuss the characteristics of seismic slip. | |
15 May 2023 | The paper discusses that fluid overpressure pulses can trigger both seismic and aseismic slip on faults, depending on the healing time and permeability of the fault. |
| The paper discusses that aseismic slip releases energy slowly without radiating seismic waves and is influenced by factors such as the presence/migration of fluids, stress interactions, and fault material heterogeneities. | |
| The paper does not explicitly characterize seismic or aseismic slip in faults. The paper focuses on investigating the occurrence conditions of episodic aseismic slip events within a fault. |
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