S1222a—The Largest Marsquake Detected by InSight
نویسندگان
چکیده
NASA's InSight has detected a large magnitude seismic event, labeled S1222a. The event moment of 4.7, with five times more compared to the second largest event. is so that features are clearly observed were not seen in any previously events. In addition body phases and Rayleigh waves, we also see Love minor arc surface wave overtones, multi-orbit waves. At long periods, coda exceeds 10 hr. locates close North-South dichotomy outside tectonically active Cerberus Fossae region. S1222a does show evident geological or tectonic features. extremely rich frequency content, extending from below 1/30 Hz up 35 Hz. was classified as broadband type event; observe decay polarization similar very high
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ژورنال
عنوان ژورنال: Geophysical Research Letters
سال: 2023
ISSN: ['1944-8007', '0094-8276']
DOI: https://doi.org/10.1029/2022gl101543