2025年1月7日定日县震前高分一号/三号/六号遥感影像数据集

据中国地震台网正式测定，1月7日9时5分在西藏日喀则市定日县发生6.8级地震，震源深度10公里，震中位于北纬28.50度，东经87.45度。为应对此次地震，方便科研工作者分析、研究此次地震机理及提出应对措施，特共享震前高分一号/三号/六号遥感影像数据，其中，高分一号可提供2米全色和8米多光谱分辨率的光学影像，用于获取震前地表精细信息；高分三号搭载C波段SAR，具有全天时、全天候成像能力，可用于地表形变监测；高分六号搭载高光谱载荷，具有高光谱分辨率成像能力，可精细识别地物光谱特征，三颗卫星数据的协同应用，可从光学、雷达和高光谱多个维度展现震区震前状态。

Officially confirmed by the China Earthquake Networks Center, a 6.8-magnitude earthquake struck Dinggyê County, Xigazê City, Tibet Autonomous Region at 09:05 on January 7, with a focal depth of 10 km and the epicenter located at 28.50°N, 87.45°E. To address this earthquake and facilitate researchers to analyze and study the earthquake mechanism and propose response measures, pre-earthquake remote sensing image data from Gaofen-1, Gaofen-3 and Gaofen-6 satellites are hereby shared. Gaofen-1 provides optical images with 2-meter panchromatic and 8-meter multispectral resolution, which can be used to obtain fine pre-earthquake surface information; Gaofen-3 is equipped with a C-band SAR, featuring all-day and all-weather imaging capabilities for surface deformation monitoring; Gaofen-6 carries a hyperspectral payload with hyperspectral resolution imaging capability, enabling accurate identification of ground feature spectral characteristics. The collaborative application of data from the three satellites can demonstrate the pre-earthquake status of the earthquake-affected area from multiple dimensions including optical, radar and hyperspectral aspects.

搜集汇总

背景与挑战

背景概述

该数据集是2025年1月7日西藏定日县6.8级地震前的多源卫星遥感影像集合，包含高分一号(2m/8m光学影像)、高分三号(C波段SAR)和高分六号(高光谱)数据，总大小7.06GB，空间分辨率1-10米，可从光学、雷达和高光谱多维度呈现震前地表状态。