高分辨率同震形变数据对地震学研究十分重要。欧州空间局哨兵一号A/B星（Sentinel-1 A/B）自2014年、2016年在轨运行以来，在板块交界地带获取了大量数据，成为研究地震的主要雷达遥感系统之一。本文通过简要介绍Sentinel-1A/B数据获取模式和最新数据处理技术，结合2014年加州纳帕山谷地震，2015年尼泊尔地震，2016年日本熊本地震和新西兰地震4个典型震例，综述全面利用Sentinel-1数据中的相干及非相干信息提取远场和近场、方位向和距离向同震形变数据的最新进展。相关研究成果表明，从Sentinel-1数据中不但能够通过传统InSAR技术提取地震远场形变梯度较为平缓的形变，也能够获取靠近地表破裂，形变梯度较大的形变。这些新方法和最新震例研究表明Sentinel-1系统在地震学领域将会发挥越来越重要的作用。

A coseismic displacement field is particularly important for earthquake studies. Since their launch in 2014 and 2016, ESA's Sentinel-1A/Sentinel-1B satellites have been acquiring large amounts of SAR images from all major plate boundary regions. Thus, these satellites are well suited for this task. We review the principle of Sentinel-1 imaging modes and the latest data process techniques through case studies of the 2014 Napa Valley, 2015 Nepal, 2016 Kumamoto, and 2016 New Zealand earthquakes. We introduce how to utilize the coherent and incoherent information of Sentinel-1 data fully to map coseismic displacements in near and far fields, along the line of sight and in along-track directions. The latest technical development and case studies show that we can derive not only a smooth coseismic displacement from the far field but also a displacement close to the rupture trace, demonstrating that the Sentinel-1 system plays an increasingly important role in earthquake studies.