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.

  • Deadly eruption of Mount Rokatenda (Paluweh), Indonesia

    Mount Rokatenda also known as Paluweh volcano erupted on August 10, 2013 spewing hot ash and rocks high into the air. Volcanology centre head Surono said eruption sent fast-moving red-hot ash onto nearby beach killing five people (three adults and two children).

  • 40 year old Magellanic Stream mystery solved

    Astronomers using the NASA/ESA Hubble Space Telescope have solved the 40-year-old mystery of the origin of the Magellanic Stream, a long ribbon of gas stretching nearly halfway around the Milky Way. New Hubble observations reveal that most of this stream was stripped

  • Magnetic pole reversal of the Sun 3 – 4 months away

    As it does approximately every 11 years on a solar cycle, the Sun's magnetic field is now reversing. Measurements have confirmed that we are about 3 – 4 months away from complete magnetic field reversal when Sun's inner magnetic dynamo will re-organize itself.

  • Solar wind stream buffeting Earth's magnetic field

    During last 24 hours solar wind stream buffeted Earth's magnetic field causing geomagnetic storms around the poles. Geomagnetic conditions were short lived reaching G1 – Minor geomagnetic storm levels (Kp=5). At those levels weak power

  • Shiveluch erupts, sends ash up to 5 km, Kamchatka

    Local Emergencies Ministry department confirmed that Shiveluch volcano, Kamchatka, spewed ash to a height of up to 5 km (3 miles) on Monday, August 5, 2013. The cloud of ash moved in the eastern direction from the volcano bypassing residential areas at