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.

  • Deep M6.1 earthquake hits Hindu Kush region of Afghanistan

    A deep earthquake registered by the USGS as M6.1 hit the Hindu Kush region of Afghanistan at 11:39 UTC (16:09 LT) on December 20, 2019. The agency is reporting a depth of 210.2 km (130.6 miles). EMSC is reporting M6.1 at a depth of 214 km (132.9 miles). The…

  • The Weekly Volcanic Activity Report: December 11 – 17, 2019

    New activity/unrest was reported for 4 volcanoes from December 11 – 17, 2019. During the same period, ongoing activity was reported for 10 volcanoes. New activity/unrest: Bezymianny, Central Kamchatka (Russia) | Nishinoshima, Japan | Semisopochnoi, United States |…

  • The Weekly Volcanic Activity Report: December 4 – 10, 2019

    New activity/unrest was reported for 3 volcanoes from December 4 to 10, 2019. During the same period, ongoing activity was reported for 10 volcanoes. New activity/unrest: Nishinoshima, Japan | Semisopochnoi, United States | White Island, North Island (New Zealand)….

  • World Magnetic Model (WMM) 2020 released

    A new World Magnetic Model (WMM) was officially released on December 10, 2019. WMM is a representation of the planet’s magnetic field that gives compasses dependable accuracy and one of the key tools developed to model the change in Earth's magnetic field….