气候变化领域集成服务门户(CCPortal): The seismicity of Mars

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DOI	10.1038/s41561-020-0539-8
	The seismicity of Mars
	Giardini D.; Lognonné P.; Banerdt W.B.; Pike W.T.; Christensen U.; Ceylan S.; Clinton J.F.; van Driel M.; Stähler S.C.; Böse M.; Garcia R.F.; Khan A.; Panning M.; Perrin C.; Banfield D.; Beucler E.; Charalambous C.; Euchner F.; Horleston A.; Jacob A.; Kawamura T.; Kedar S.; Mainsant G.; Scholz J.-R.; Smrekar S.E.; Spiga A.; Agard C.; Antonangeli D.; Barkaoui S.; Barrett E.; Combes P.; Conejero V.; Daubar I.; Drilleau M.; Ferrier C.; Gabsi T.; Gudkova T.; Hurst K.; Karakostas F.; King S.; Knapmeyer M.; Knapmeyer-Endrun B.; Llorca-Cejudo R.; Lucas A.; Luno L.; Margerin L.; McClean J.B.; Mimoun D.; Murdoch N.; Nimmo F.; Nonon M.; Pardo C.; Rivoldini A.; Manfredi J.A.R.; Samuel H.; Schimmel M.; Stott A.E.; Stutzmann E.; Teanby N.; Warren T.; Weber R.C.; Wieczorek M.; Yana C.
发表日期	2020
ISSN	17520894
卷号	13 期号:3
英文摘要	The InSight (Interior Exploration using Seismic Investigations, Geodesy and Heat Transport) mission landed in Elysium Planitia on Mars on 26 November 2018 and fully deployed its seismometer by the end of February 2019. The mission aims to detect, characterize and locate seismic activity on Mars, and to further constrain the internal structure, composition and dynamics of the planet. Here, we present seismometer data recorded until 30 September 2019, which reveal that Mars is seismically active. We identify 174 marsquakes, comprising two distinct populations: 150 small-magnitude, high-frequency events with waves propagating at crustal depths and 24 low-frequency, subcrustal events of magnitude Mw 3–4 with waves propagating at various depths in the mantle. These marsquakes have spectral characteristics similar to the seismicity observed on the Earth and Moon. We determine that two of the largest detected marsquakes were located near the Cerberus Fossae fracture system. From the recorded seismicity, we constrain attenuation in the crust and mantle, and find indications of a potential low-S-wave-velocity layer in the upper mantle. © 2020, The Author(s), under exclusive licence to Springer Nature Limited.
语种	英语
scopus关键词	frequency analysis; magnitude; Mars; Moon; S-wave; seismic data; seismicity; seismograph; wave propagation
来源期刊	Nature Geoscience
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/124496
作者单位	Institute of Geophysics, Department of Earth Sciences, ETH Zurich, Zurich, Switzerland; Université de Paris, Institut de Physique du Globe de Paris, CNRS, Paris, France; Institut Universitaire de France, Paris, France; Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States; Department of Electrical and Electronic Engineering, Imperial College London, London, United Kingdom; Max Planck Institute for Solar System Research, Göttingen, Germany; Swiss Seismological Service (SED), ETH Zurich, Zurich, Switzerland; Institut Supérieur de l’Aéronautique et de l’Espace SUPAERO, Toulouse, France; Institute of Theoretical Physics, University of Zurich, Zurich, Switzerland; Cornell Center for Astrophysics and Planetary Science, Cornell University, Ithaca, NY, United States; Laboratoire de Planétologie et Géodynamique, Univ. Nantes, Univ. Angers, CNRS, Nantes, France; School of Earth Sciences, University of Bristol, Bristol, United Kingdom; Laboratoire de Météorologie Dynamique, Sorbo...
推荐引用方式 GB/T 7714	Giardini D.,Lognonné P.,Banerdt W.B.,et al. The seismicity of Mars[J],2020,13(3).
APA	Giardini D..,Lognonné P..,Banerdt W.B..,Pike W.T..,Christensen U..,...&Yana C..(2020).The seismicity of Mars.Nature Geoscience,13(3).
MLA	Giardini D.,et al."The seismicity of Mars".Nature Geoscience 13.3(2020).