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.

  • Shallow M6.1 earthquake hits off the coast of Papua, Indonesia

    A strong and shallow earthquake registered by the USGS as M6.1 hit off the coast of Papua, Indonesia at 12:11 UTC on November 23, 2019, at a depth of 10 km (6.2 miles). EMSC is reporting the same magnitude and depth. The epicenter was located 240 km (150 miles) SE…

  • Potential major stratospheric warming event

    Forecast models suggest a major stratospheric warming event might develop in December 2019, possibly initiating a collapse sequence of the polar vortex. Main cooling effects are expected across Eurasia and the United States. "This might have important…

  • The Weekly Volcanic Activity Report: November 13 – 19, 2019

    New activity/unrest was reported for 5 volcanoes from November 13 to 19, 2019. During the same period, ongoing activity was reported for 13 volcanoes. New activity/unrest: Cleveland, Chuginadak Island (USA) | Kirishimayama, Kyushu (Japan) | Lateiki, Tonga Islands |…

  • Deep M6.3 earthquake hits the Sea of Okhotsk, Russia

    A deep earthquake registered by the USGS as M6.3 hit the Sea of Okhotsk, Russia at 08:26 UTC on November 20, 2019. The agency is reporting a depth of 487 km (302 miles). EMSC is reporting the same magnitude and depth. This is the second M6+ earthquake of the day. It…