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.

  • Sounds of the solar wind as recorded by Parker Solar Probe

    Just 17 months since launch, and after three orbits around the Sun, NASA's Parker Solar Probe – designed, built, and now operated by Johns Hopkins Applied Physics Laboratory (APL) – brings us amazing sounds of solar wind and hints at origins of this…

  • Eruption at Kuchinoerabujima volcano, Japan

    Japan's Kuchinoerabujima volcano erupted at 06:05 UTC on January 11, 2020, ejecting volcanic material up to 300 m (984 feet) from the crater of Mount Shindake. This is the first eruption at the volcano since February 2, 2019. Kuchinoerabujima is a volcano island…

  • Shallow M5.9 earthquake hits Puerto Rico

    A strong and shallow earthquake registered by the USGS as M5.9 (downgraded from M6.0) hit southern Puerto Rico at 12:54 UTC (08:54 LT) on January 11, 2020. The agency is reporting a depth of 10 km (6.2 miles). The quake comes 4 days after shallow M6.4 — the…

  • Bright fireball explodes over Germany and Poland

    A bright fireball streaked through the night sky over eastern Germany and Poland at around 03:05 UTC on January 5, 2020. The event was captured on two AMS/AKM cameras. There is a possibility some pieces of the object survived and ended somewhere in far western…

  • The Weekly Volcanic Activity Report: January 1 – 7, 2020

    New activity/unrest was reported for 3 volcanoes from January 1 to 7, 2020. During the same period, ongoing activity was reported for 11 volcanoes. New activity/unrest: Kirishimayama, Kyushu (Japan) | Krakatau, Indonesia | White Island, North Island (New Zealand)….