Coseismic ground deformation map for the 2020 M>7.5 Shumagin, Alaska, earthquake doublet
Description
This repository contains six interferograms from ESA Sentinel-1 satellite acquired over the 2020 M>7.5 Shumagin, Alaska, earthquake doublet. These interferograms were obtained by processing Sentinel-1 SAR data with the JPL-developed InSAR Scientific Computing Environment (ISCE) open-source software package. The details of six Sentinel-1 interferograms for the 2020 Shumagin earthquake doublet, M7.8 and M7.6 events, are listed in the table below.
|
Earthquake date and magnitude |
Track no. |
Direction (asc/des) |
Incidence (degree) |
Primary image (yyyy/mm/dd hh:mm:ss) |
Secondary image (yyyy/mm/dd hh:mm:ss) |
| 2020/07/22 06:12:44 M7.8 | 73 | des | 30-33 | 2020/07/10 17:03:59 | 2020/07/22 17:04:00 |
| 102 | des | 43-46 | 2020/07/12 16:47:32 | 2020/07/24 16:47:33 | |
| 153 | asc | 36-41 | 2020/07/22 04:23:36 | 2020/09/08 04:23:39 | |
| 2020/10/19 20:54:38 M7.6 | 73 | des | 30-35 | 2020/10/14 17:04:04 | 2020/10/26 17:04:04 |
| 102 | des | 43-46 | 2020/10/16 16:47:36 | 2020/10/28 16:47:36 | |
| 153 | asc | 34-41 | 2020/10/14 04:23:40 | 2020/11/07 04:23:40 |
These interferograms were generated for figures in: Jiang, Y., González, P. J., and Bürgmann, R. "Subduction earthquakes controlled by incoming plate geometry: The 2020 M>7.5 Shumagin, Alaska, earthquake doublet. " Earth and Planetary Science Letters.
Files
screenshot_T073_20200710_20200722_filt_topophase.unw.geo.PNG
Files
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