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.

  • Strong and shallow M6.3 earthquake hits Kermadec Islands region

    A strong earthquake registered by the USGS as M6.3 hit the Kermadec Islands region at 10:01 UTC on March 14, 2020. The agency is reporting a depth of 10 km (6.2 miles). EMSC is reporting the same magnitude and depth. The epicenter was located 681 km (423 miles) S of…

  • The Weekly Volcanic Activity Report: March 4 – 10, 2020

    New activity/unrest was reported for 3 volcanoes from March 4 to 10, 2020. During the same period, ongoing activity was reported for 12 volcanoes. New activity/unrest: San Miguel, El Salvador | Sangay, Ecuador | Semeru, Eastern Java (Indonesia). Ongoing activity:…

  • Asteroid 2020 DR4 flew past Earth at 0.24 lunar distances

    A newly-discovered asteroid designated 2020 DR4 flew past Earth at a distance of 0.24 LD / 0.00062 AU (92 750 km / 57 632 miles) on February 25, 2020. This is the 19th known asteroid to flyby Earth within 1 lunar distance since the start of the year. Aten-class…