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.

  • The Weekly Volcanic Activity Report: April 28 – May 4, 2021

    New activity/unrest was reported for 4 volcanoes from April 28 to May 4, 2021. During the same period, ongoing activity was reported for 14 volcanoes. New activity/unrest: Asosan, Kyushu (Japan) | Dieng Volcanic Complex, Central Java (Indonesia) | Karymsky, Eastern…

  • Severe flooding hits Venezuela, including the capital Caracas

    Heavy rains affecting parts of Venezuela over the past 7 days caused severe flooding along the San Pedro River, damaging more than 100 buildings and affecting around 400 families in the state of Merida, Tulio Febres Cordero municipality. Officials visited the…

  • Asteroid 2021 JV to flyby Earth at 0.36 LD on May 4

    A newly-discovered asteroid designated 2021 JV will flyby Earth at a distance of 0.36 LD / 0.00094 AU (140 620 km / 87 400 miles) at 21:29 UTC on May 4, 2021. This is the 53rd known asteroid to fly by Earth within 1 lunar distance since the start of the year. 2021…

  • Large landslide partially blocks Medellin River in NW Colombia

    A large landslide occurred at the La Granja landfill site in La Primavera, Antioquia in Colombia on May 3, 2021, partially blocking the Medellin River. The general director of the Administrative Department of Risk Management of Antioquia (DAGRAN) said a team visited…