[HTML][HTML] Mars seismology

P Lognonné, WB Banerdt, J Clinton… - Annual Review of …, 2023 - annualreviews.org
For the first time, from early 2019 to the end of 2022, Mars' shallow and deep interiors have
been explored by seismology with the InSight mission. Thanks to the performances of its …

S1222a—The largest marsquake detected by InSight

T Kawamura, JF Clinton, G Zenhäusern… - Geophysical …, 2023 - Wiley Online Library
NASA's InSight has detected a large magnitude seismic event, labeled S1222a. The event
has a moment magnitude of 4.7, with five times more seismic moment compared to the …

Tectonics of Cerberus Fossae unveiled by marsquakes

SC Stähler, A Mittelholz, C Perrin, T Kawamura… - Nature …, 2022 - nature.com
The InSight mission has measured the seismicity of Mars since February 2019 and has
enabled the investigation of tectonics on the surface of another planet for the first time. Its …

Locating the largest event observed on Mars with multi‐orbit surface waves

MP Panning, WB Banerdt, C Beghein… - Geophysical …, 2023 - Wiley Online Library
Prior to the 2018 landing of the InSight mission, the InSight science team proposed locating
Marsquakes using multiple orbit surface waves, independent of seismic velocity models, for …

Focal Mechanism Determination of Event S1222a and Implications for Tectonics Near the Dichotomy Boundary in Southern Elysium Planitia, Mars

R Maguire, V Lekić, D Kim, N Schmerr… - Journal of …, 2023 - Wiley Online Library
Abstract On 4 May 2022 the InSight seismometer SEIS‐VBB recorded the largest marsquake
ever observed, S1222a, with an initial magnitude estimate of 4.6. Understanding the depth …

Observation of a core‐diffracted P‐wave from a farside impact with implications for the lower‐mantle structure of Mars

C Durán, A Khan, S Ceylan… - Geophysical …, 2022 - Wiley Online Library
We report on the observation of a diffracted P‐wave (Pdiff) along the core of Mars from a
distant impact that has been recorded by the Interior Exploration using Seismic …

Detection of Mars normal modes from S1222a event and seismic hum

P Lognonné, M Schimmel, E Stutzmann… - Geophysical …, 2023 - Wiley Online Library
We present the first detection of normal modes on Mars using the vertical records from
InSight's broad‐band seismometer following the marsquake that occurred on sol 1222. The …

Revealing Elysium Planitia's young geologic history: Constraints on lava emplacement, areas, and volumes

JRC Voigt, CW Hamilton, G Steinbrügge… - Journal of …, 2023 - Wiley Online Library
Elysium Planitia includes several outflow channels that were likely carved by aqueous
erosion and subsequently infilled by younger lava flows, making Elysium Planitia the …

Renewed Epicentral Distribution of Low Frequency Marsquakes by Varying‐Parameter Polarization Analysis of InSight Data

X Wang, L Chen, X Wang - Geophysical Research Letters, 2023 - Wiley Online Library
Accurate information about marsquake locations is crucial for understanding the tectonic
activity, subsurface structures, and dynamics of Mars. We designed a varying‐parameter …

The global seismic moment rate of Mars after event S1222a

M Knapmeyer, S Stähler, AC Plesa… - Geophysical …, 2023 - Wiley Online Library
The seismic activity of a planet can be described by the corner magnitude, events larger
than which are extremely unlikely, and the seismic moment rate, the long‐term average of …