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.

  • Bulusan volcano produces steam and ash explosion, Philippines

    Bulusan volcano produced a steam and ash explosion at 00:09 UTC today (08:09 local time) which lasted for 5 minutes based on seismic records,​ Philippine Institute of Volcanology and Seismology (PHIVOLCS) reports. The last eruptive phase of this volcano started on

  • Night sky guide for May 2015

    If not for the nearly full moon spoiling the party, southern hemisphere observers would be in for a special treat when above average meteor shower – Eta Aquarids – peaks on the night of May 5 and the morning of May 6. This meteor shower is capable of producing up to 60

  • Another strong explosive eruption of Calbuco volcano, Chile

    After last week's major eruption of Chile's Calbuco volcano and a gradual decrease in activity, another strong eruption occured around 16:10 UTC today. This is a third eruption of this volcano since it came back to life on April 22, 2015, after 43 years of

  • Satellite imagery shows Nepal earthquake displacement

    A devastating earthquake hit Nepal on April 25, 2015 claiming over 5 500 lives and affecting millions of people. China Earthquake Networks Center, the closest advanced seismic network, recorded it as M8.1 at a shallow depth of 20 km while USGS recorded it as M7.8 at a d

  • Very strong M7.1 earthquake hits Papua New Guinea

    A very strong earthquake recorded by Geoscience Australia as M7.1 at a depth of 50 km (31 miles) hit New Britain, Papua New Guinea at 10:45 UTC on April 30, 2015. USGS is reporting this quake as M6.8 at a depth of 60.1 km (37.4 miles).According to the USGS, epicenter wa

  • Active volcanoes in the world: April 22 – 28, 2015

    New activity/unrest was observed at 5 volcanoes from April 22 – 28, 2015. During the same period, ongoing activity was observed at 26 volcanoes.New activity/unrest: Barren Island, Andaman Islands (India) | Calbuco, Chile | Kilauea, Hawaiian Islands (USA) | Sinabung, Ind