Fig. 1

Tectonic maps of study area. (a) Tectonic setting of Qinghai-Tibetan plateau and adjacent regions. (b) Tectonic setting of the 2014 Jinggu earthquake and Ludian earthquake in the Sichuan-Yunnan rhomb block, southeast Qinghai-Tibetan plateau. The maps were generated using the GeoScene 2.1 (https://www.geoscene.cn/).