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.

  • Shallow M6.1 earthquake hits off the coast of Cold Bay, Alaska

    A strong and shallow earthquake registered by the USGS as M6.1 hit off the coast of Cold Bay, Alaska at 02:35 UTC on December 31, 2018. The agency is reporting a depth of 26.9 km (18.4 miles). EMSC is reporting M6.1 at a depth of 40 km (24.8 miles). This earthquake…

  • Asteroid 2018 YL2 flew past Earth at 0.15 lunar distances

    A newly discovered asteroid designated 2018 YL2 flew past Earth at a very close distance of 0.15 LD / 0.00040 AU (59 839 km / 37 182 miles) on December 27, 2018. This object belongs to the Apollo group of asteroids. It was first observed at ATLAS-MLO, Mauna Loa,…

  • 2018 Volcanoes in Review

    Thanks to Jake and Mari of the Grand Solar Minimum YouTube channel we have an excellent overview of all significant volcanic eruptions of the year. Out of an estimated 1 500 active volcanoes, on average 50 – 70 erupt every year, spewing steam, ash, toxic gases, and…