According to official measurements by China Seismological Network, a magnitude 5.5 earthquake occurred in Diebu County, Gannan Prefecture, Gansu Province at 14:56 on January 26, 2026, with a focal depth of 10 kilometers. The epicenter was located at 34.06 degrees north latitude and 103.25 degrees east longitude. The average altitude within 5 kilometers of the epicenter is about 2707 meters. The villages within 5 kilometers of the earthquake include Yagu, Lalu Village, Magu, Rannaoqu, Dianga Village, Vegetable Village, Zirun, Sarang, Saai and Waqiong, and the towns within 20 kilometers include Dianga Town and Yiwa Town. The epicenter is 3 kilometers away from Diebu County, 60 kilometers away from Zoige County, Sichuan, 64 kilometers away from Zhuoni County, 71 kilometers away from Lintan County, 84 kilometers away from Min County, 107 kilometers away from Gannan Tibetan Autonomous Prefecture, and 229 kilometers away from Lan 'Zhou City. As of now, no casualties or property damage have been reported.

图1 可视化页面

The National Glacier, Frozen Soil and Desert Scientific Data Center (hereinafter referred to as the Data Center) collects and prepares basic geographical data, satellite remote sensing data, population data, topography and other scientific Incident Response Service data based on the disaster situation. Up to now, 20 service data sets have been opened and provided, with a service data volume of approximately 30GB. The "Scientific Data Incident Response Service system for the Diebu County Earthquake (20260126), Gannan Prefecture, Gansu Province" has been released, which provides data visual display, interoperability and data download functions. For use by relevant emergency, rescue and research departments.

The follow-up data center will continue to further collect and organize various data resources in the disaster area and gradually release them through the data center platform for use by relevant emergency, rescue and research departments.

System and data service address: http://www.ncdc.ac.cn/portal/emergency? eid=99d8035e-7f96-42cc-8ad2-85d1f214fd60&lang=zh