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.

  • Bright fireball over Popocatepetl volcano, Mexico

    A bright fireball was recorded streaking through the night sky over Popocatepetl volcano, Mexico at 02:18 UTC on February 19, 2020 (20:18 LT on February 18). The event was recorded by several webcams. At this time, there are no eyewitness reports submitted to the…

  • Unsettled geomagnetic field due to CH HSS influences

    Solar wind parameters in 24 hours ending 12:30 UTC today were indicative of a slightly enhanced and disturbed interplanetary magnetic field (IMF) due to weak coronal hole high speed stream (CH HSS) influences. Total IMF strength was variable, but steadily increased…

  • Asteroid 2020 CQ2 flew past Earth at 0.39 LD

    A newly-discovered asteroid designated 2020 CQ2 flew past Earth at a distance of 0.39 LD / 0.00099 AU (148 101 km / 92 026 miles) at 02:19 UTC on February 14, 2020. This is the 14th known asteroid to flyby Earth within 1 lunar distance since the start of the year…

  • Strong M6.9 earthquake hits Kuril Islands at intermediate depth

    A strong earthquake registered by the USGS as M6.9 hit Kuril Islands at 10:33 UTC on February 13, 2020, at a depth of 142.6 km (88.6 miles). The EMSC is reporting M6.9 at a depth of 150 km (93 miles). The epicenter was located 93 km (58 miles) ENE of Kuril'sk,…

  • The Weekly Volcanic Activity Report: February 5 – 11, 2020

    New activity/unrest was reported for 5 volcanoes from February 5 to 11, 2020. During the same period, ongoing activity was reported for 10 volcanoes. New activity/unrest: Kuchinoerabujima, Ryukyu Islands (Japan) | Piton de la Fournaise, Reunion Island (France) |…

  • Asteroid 2020 CQ1 flew past Earth at 0.17 LD

    A newly-discovered asteroid designated 2020 CQ1 flew past Earth at a distance of 0.17 LD / 0.00043 AU (64 327 km / 39 970 miles) at 11:17 UTC on February 4, 2020. This is the 13th known asteroid to flyby Earth within 1 lunar distance since the start of the year,…