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.
Observers across Europe, from Scandinavia to the Adriatic coast, are reporting major noctilucent clouds (NLC) outbreak on July 5 and 6, 2020. The outbreak comes on the heels of July 4th sighting over southern California, U.S. — where in 2019 a record was set for…
A new study published in Nature Communications shows that previous changes in the direction of Earth's magnetic field reached rates that are up to 10 times larger than the fastest currently reported variations of up to one degree per year. The authors combined…
New activity/unrest was reported for 3 volcanoes from June 24 – 30, 2020. During the same period, ongoing activity was reported for 19 volcanoes. New activity/unrest: Asamayama, Honshu (Japan) | Makushin, Fox Islands (USA) | Turrialba, Costa Rica. Ongoing activity:…
The Alaska Volcano Observatory (AVO) is recording increased earthquake activity at Makushin volcano over the past 2 weeks. In response, the observatory raised the Aviation Color Code to Yellow on June 15 and plans to continue close monitoring of seismic activity,…
Intense earthquake swarm which started at the mouth of Eyjafjörður at the Tjörnes Fracture Zone on June 19 continues, with about 9 000 earthquakes detected by the Icelandic Meteorological Office (IMO) by July 1. Three earthquakes over M5 have been…
An intense earthquake swarm started on June 19, 2020, off the coast of North Iceland, NE of Siglufjörður. By 08:19 UTC on June 26, the Icelandic Met Office (IMO) has located over 7 000 earthquakes. The swarm is taking place on the Tjörnes Fracture Zone…
A strong and shallow earthquake registered by the USGS as M6.4 hit the Xinjiang-Xizang border region, China at 21:05 UTC on June 25, 2020 (05:05 LT, June 26). The agency is reporting a depth of 10 km (6.2 miles). EMSC is reporting M6.4 at a depth of 2 km (1.2…
A strong and shallow earthquake registered by the Japan Meteorological Agency (JMA) as M6.2 hit near the east coast of Honshu at 19:47 UTC on June 24, 2020 (04:47 LT, June 25). The agency is reporting a depth of 30 km (18.6 miles). The USGS registered it as M5.9 at…
New activity/unrest was reported for 6 volcanoes from June 17 to 23, 2020. During the same period, ongoing activity was reported for 18 volcanoes. New activity/unrest: Erta Ale, Ethiopia | Karymsky, Eastern Kamchatka (Russia) | Laguna del Maule, Central…
A strong and shallow earthquake registered by the USGS as M5.8 hit central California at 17:40 UTC on June 24, 2020. The agency is reporting a depth of 4.7 km (2.9 miles). 12 aftershocks were reported over the next 47 minutes, with the strongest one M4.5. The…
