地外滑坡基本特征与流动性对比研究

doi:10.3724/1000-6915.jrme.2026.0019

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Abstract Landslides are widely observed on various solid celestial bodies in the solar system, the characteristics of which vary markedly under different gravity and geological environments across these bodies. However, a comprehensive review addressing the classification, distribution, triggering mechanisms, and mobility of extraterrestrial landslides remains lacking. This study systematically examines the classification, spatial distribution, triggering factors, and mobility of landslides on various solid celestial bodies. The results indicate that extraterrestrial landslides are diverse, and can be primarily classified as collapse, sliding, flow, spread, creep, and compound types. The distribution of landslides varies significantly among different bodies, primarily influenced by topography, geological processes, and gravity. The main triggering factors for extraterrestrial landslides include gravity, seismic activity, impact events, fluid-solid interactions, thermal stress weathering, and gas sublimation. The study further reveals that changes in gravitational acceleration significantly affect landslide mobility and volume; lower gravitational acceleration increases mobility and volume of landslides. Additionally, landslides on different bodies exhibit a pronounced volume effect that increased landslide volume corresponds to enhanced mobility. The greater the gravity, the stronger the volume effect. The findings of this study provide fundamental insights into the characteristics of extraterrestrial landslides and offer valuable reference for future spacecraft landings and long-term base site selection on extraterrestrial bodies.

Key words： extraterrestrial landslides landslide classification distribution characteristics triggering factors flow mobility

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	ZHANG Chenyang1
	YIN Yueping2
	HUANG Yu3
	CUI Yifei4
	XING Aiguo5
	ZHENG Hu3
	ZHAO Haifeng6
	7
	YUAN Zihao6
	7
	ZHAO Qi1*

Cite this article:

ZHANG Chenyang1,YIN Yueping2,HUANG Yu3, et al. Characteristics and mobility of extraterrestrial landslides[J]. , 2026, 45(9): 2766-2780.

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https://rockmech.whrsm.ac.cn/EN/10.3724/1000-6915.jrme.2026.0019 OR https://rockmech.whrsm.ac.cn/EN/Y2026/V45/I9/2766

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