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dc.contributor.author
Kedar, Sharon
dc.contributor.author
Panning, Mark P.
dc.contributor.author
Smrekar, Suzanne E.
dc.contributor.author
Stähler, Simon C.
dc.contributor.author
King, Scott D.
dc.contributor.author
Golombek, Matthew P.
dc.contributor.author
Manga, Michael
dc.contributor.author
Julian, Bruce R.
dc.contributor.author
Shiro, Brian
dc.contributor.author
Perrin, Clement
dc.contributor.author
Power, John A.
dc.contributor.author
Michaut, Chloe
dc.contributor.author
Ceylan, Savas
dc.contributor.author
Giardini, Domenico
dc.contributor.author
Lognonne, Philippe
dc.contributor.author
Banerdt, William B.
dc.date.accessioned
2021-05-07T09:21:47Z
dc.date.available
2021-05-03T02:44:29Z
dc.date.available
2021-05-07T09:21:47Z
dc.date.issued
2021-04
dc.identifier.issn
0148-0227
dc.identifier.issn
2169-9097
dc.identifier.other
10.1029/2020JE006518
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/481975
dc.description.abstract
The InSight Mission began acquiring the first seismic data on Mars in early 2019 and has detected hundreds of events. The largest events recorded to date originate at Cerberus Fossae, a young volcanic region characterized by high volume, low viscosity lava flows. A handful of Low Frequency (LF) quakes that share key attributes of Long Period quakes recorded on Earth's volcanoes are also traced to Cerberus Fossae. This study explores whether a traditional volcanic source model that simulates the generation of tremor as pressurized fluid makes its way through a channel at depth, can explain these atypical LF events. We consider a wide range of physical parameters including fluid viscosity, the ratio of driving pressure to lithostatic pressure, aspect ratio of the channel, and the equilibrium channel opening. We find that the model can produce the observed seismic signature, with a combination of low‐viscosity magma and high volume flux of ∼104 − 105 m3/s that are within an order‐of‐magnitude agreement with Cerberus Fossae lava flow properties deduced from analysis of lava flow dimensions. It is impossible, however, at this stage to conclude whether or not this is a likely explanation for Mars, as the model results in fluxes that are extreme for Earth yet are just within bounds of what has been inferred for Cerberus Fossae. We therefore conclude that we cannot rule out active magma flow as the mechanism responsible for the atypical LF events that likely originate from Cerberus Fossae.
en_US
dc.language.iso
en
en_US
dc.publisher
American Geophysical Union
en_US
dc.subject
long‐period
en_US
dc.subject
Mars
en_US
dc.subject
Tremor
en_US
dc.title
Analyzing Low Frequency Seismic Events at Cerberus Fossae as Long Period Volcanic Quakes
en_US
dc.type
Journal Article
dc.date.published
2021-03-12
ethz.journal.title
Journal of Geophysical Research: Planets
ethz.journal.volume
126
en_US
ethz.journal.issue
4
en_US
ethz.journal.abbreviated
J. geophys. res. Planets.
ethz.pages.start
e2020JE006518
en_US
ethz.size
28 p.
en_US
ethz.identifier.wos
ethz.identifier.scopus
ethz.publication.place
Washington, DC
en_US
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02330 - Dep. Erdwissenschaften / Dep. of Earth Sciences::02506 - Institut für Geophysik / Institute of Geophysics::03476 - Giardini, Domenico / Giardini, Domenico
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02330 - Dep. Erdwissenschaften / Dep. of Earth Sciences::02506 - Institut für Geophysik / Institute of Geophysics::03476 - Giardini, Domenico / Giardini, Domenico
ethz.date.deposited
2021-05-03T02:44:35Z
ethz.source
SCOPUS
ethz.eth
yes
en_US
ethz.availability
Metadata only
en_US
ethz.rosetta.installDate
2021-05-07T09:21:58Z
ethz.rosetta.lastUpdated
2022-03-29T07:09:10Z
ethz.rosetta.exportRequired
true
ethz.rosetta.versionExported
true
ethz.COinS
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