Sentinel 1a InSAR image of the Chile Earthquake 1.4 m of range - - PowerPoint PPT Presentation

▶

Jan 27, 2023 155 likes •189 views

Sentinel 1a InSAR image of the Chile Earthquake 1.4 m of range change collected 12 h after mainshock GPS observed ionospheric signal from both the earthquake and tsunami Tsunami-wave-generated airglow perturbations indicate increased

SLIDE 1

Sentinel 1a InSAR image of the Chile Earthquake 1.4 m of range change collected 12 h after mainshock

SLIDE 2

GPS observed ionospheric signal from both the earthquake and tsunami

SLIDE 3

Tsunami-wave-generated airglow perturbations indicate

increased amplitudes

by factor of 2 to 4

multi-peak structures

Multiple peak Multiple peak

Before arrival of tsunami wavefront indicate

smaller amplitudes

and

smooth profiles

*Courtesy of NASA’s TIMED/SABER Team

SABER scans* JPL Ionosphere Nat-Haz Team