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.

  • Asteroid 2011 ES4 to flyby Earth at 0.32 LD

    An asteroid designated 2011 ES4 will make a close approach to Earth at just 0.32 LD / 0.00048 AU (71 806 km / 44 618 miles) at 16:12 UTC on September 1, 2020. This is the 60th known asteroid to flyby Earth within 1 lunar distance since the start of the year. This…

  • Series of coronal holes spark G1 – Minor geomagnetic storming

    Our planet is under the influence of a series of coronal holes since August 25, 2020, sparking unsettled to G1 – Minor geomagnetic storm conditions. The effect is expected to continue through at least September 2. G1 – Minor geomagnetic storm threshold was first…

  • Shallow M6.5 earthquake hits central Mid-Atlantic Ridge

    A strong and shallow earthquake registered by the USGS as M6.5 hit central Mid-Atlantic Ridge at 21:20 UTC on August 30, 2020. The agency is reporting a depth of 10 km (6.2 miles). The EMSC registered it as M5.8 at a depth of 100 km (62 miles). The epicenter was…