Core Viewpoint - The article reports on the occurrence of an X1.9-class solar flare from sunspot region 14341, marking the first X-class flare of 2026, with potential implications for geomagnetic activity on Earth [1][3]. Group 1: Solar Activity - The solar flare occurred at 02:09 UTC on January 19, 2026, and is classified as an X1.9 event, indicating significant solar activity [1]. - Sunspot region 14341 is located in the eastern-central part of the sun, covering an area of 500 microhectares and exhibiting a complex β-γ magnetic field type [3]. Group 2: Impact on Earth - The flare was accompanied by a coronal mass ejection (CME), which is expected to lead to strong geomagnetic activity on January 20-21 [5]. - Due to the timing of the flare occurring during nighttime in China, there was no immediate impact on the ionosphere or shortwave radio communications [3].
太阳爆发X级耀斑！明后两天可能出现较强地磁活动
Yang Shi Xin Wen·2026-01-19 07:31