SAR interferometry using ALOS-2 PALSAR-2 data for the Mw 7.8 Gorkha, Nepal earthquake

SAR interferometry using ALOS-2 PALSAR-2 data for the Mw 7.8 Gorkha, Nepal earthquake

The Advanced Land Observing Satellite-2 (ALOS-2, “DAICHI-2”) has been observing Nepal with the Phased Array type L-band Synthetic Aperture Radar-2 (PALSAR-2) in response to an emergency request from Sentinel Asia related to the Mw 7.8 Gorkha earthquake on April 25, 2015. PALSAR-2 successfully detected not only avalanches and local crustal displacements but also continental-scale deformation. Es...

Slip model of the 2015 Mw 7.8 Gorkha (Nepal) earthquake from inversions of ALOS-2 and GPS data

Line of Sight Displacement from ALOS - 2 Interferometry : Mw 7 . 8 1 Gorkha Earthquake and Mw 7 . 3 Aftershock

3 Eric O. Lindsey 4 Ryo Natsuaki 5 Xiaohua Xu 6 Masanobu Shimada 7 Manabu, Hashimoto 8 Diego Melgar 9 David T. Sandwell 10 11 Institute for Geophysics and Planetary Physics, University of California, San Diego, 12 USA 13 Earth Observation Research Center, Japan Aerospace Exploration Agency (JAXA), 14 Tsukuba, Japan 15 Disaster Prevention Research Institute, Kyoto University, Kyoto, Japan 16 Sei...

Damage detection in the 2015 Nepal earthquake using ALOS-2 satellite SAR imagery

The Mw 7.8 earthquake jolted the central region of Nepal on April 25, 2015, and caused gigantic destruction. Satellite remote sensing is an effective tool to grasp damages in a wide area. In this study, preand post-event ALOS-2 satellite SAR data were used to detect affected areas in Kathmandu, the capital city of Nepal. Firstly, the crustal movements around the Kathmandu Valley were estimated ...

Radar Interferometry for Ground Subsidence Monitoring Using Alos Palsar Data

This paper describes the results using data from ALOS and ENVISAT satellites for the purpose of subsidence monitoring over underground coal mine sites in the state of New South Wales, Australia, using the differential interferometric synthetic aperture radar (DInSAR) technique. The quality of the mine subsidence monitoring results is mainly constrained by the noise due to the spatial and tempor...