Achievements and prospects of global broadband seismographic networks after 30 years of continuous geophysical observations
Global seismographic networks (GSNs) emerged during the late nineteenth and early
twentieth centuries, facilitated by seminal international developments in theory, technology …
twentieth centuries, facilitated by seminal international developments in theory, technology …
[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 …
been explored by seismology with the InSight mission. Thanks to the performances of its …
Seismic detection of the martian core
Clues to a planet's geologic history are contained in its interior structure, particularly its core.
We detected reflections of seismic waves from the core-mantle boundary of Mars using …
We detected reflections of seismic waves from the core-mantle boundary of Mars using …
Upper mantle structure of Mars from InSight seismic data
For 2 years, the InSight lander has been recording seismic data on Mars that are vital to
constrain the structure and thermochemical state of the planet. We used observations of …
constrain the structure and thermochemical state of the planet. We used observations of …
Largest recent impact craters on Mars: Orbital imaging and surface seismic co-investigation
LV Posiolova, P Lognonné, WB Banerdt, J Clinton… - Science, 2022 - science.org
Two> 130-meter-diameter impact craters formed on Mars during the later half of 2021. These
are the two largest fresh impact craters discovered by the Mars Reconnaissance Orbiter …
are the two largest fresh impact craters discovered by the Mars Reconnaissance Orbiter …
S1222a—The largest marsquake detected by InSight
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 …
has a moment magnitude of 4.7, with five times more seismic moment compared to the …
Surface waves and crustal structure on Mars
We detected surface waves from two meteorite impacts on Mars. By measuring group
velocity dispersion along the impact-lander path, we obtained a direct constraint on crustal …
velocity dispersion along the impact-lander path, we obtained a direct constraint on crustal …
Newly formed craters on Mars located using seismic and acoustic wave data from InSight
RF Garcia, IJ Daubar, É Beucler, LV Posiolova… - Nature …, 2022 - nature.com
Meteoroid impacts shape planetary surfaces by forming new craters and alter atmospheric
composition. During atmospheric entry and impact on the ground, meteoroids excite …
composition. During atmospheric entry and impact on the ground, meteoroids excite …
Geophysical evidence for an enriched molten silicate layer above Mars's core
The detection of deep reflected S waves on Mars inferred a core size of 1,830±40 km (ref.),
requiring light-element contents that are incompatible with experimental petrological …
requiring light-element contents that are incompatible with experimental petrological …
First observations of core-transiting seismic phases on Mars
JCE Irving, V Lekić, C Durán… - Proceedings of the …, 2023 - National Acad Sciences
We present the first observations of seismic waves propagating through the core of Mars.
These observations, made using seismic data collected by the InSight geophysical mission …
These observations, made using seismic data collected by the InSight geophysical mission …