Teo Blašković founded The Watchers in 2011 and edited it until 2026, covering seismic and volcanic activity, extreme weather, space weather and near-Earth objects. Articles on this page are his archive.

  • Major X2.8 solar flare erupts from Region 3514

    A powerful solar flare measuring X2.8 erupted from Active Region 3514 at 17:02 UTC on December 14, 2023. The event started at 16:47 and ended at 17:12 UTC. This is the strongest solar flare of the current Solar Cycle.

  • Asteroid 2023 XW5 flew past Earth at 0.19 LD

    A newly-discovered asteroid designated 2023 XW5 flew past Earth at 0.19 LD / 0.00050 AU (74 189 km / 46 099 miles) from the center of our planet at 02:10 UTC on December 9, 2023.