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.
A waterspout outbreak is in progress at Lake Michigan since September 22, 2021, and the ICWR forecast model shows it continuing and spreading to other portions of the Great Lakes through Friday, September 24. International Centre for Waterspout Research (ICWR)…
Lava flows continue slowly advancing toward the coast on September 23, 2021, after another night of intense lava fountains at Cumbre Vieja volcano, La Palma, Canary Islands. The height of the volcanic plume is estimated at 4.2 km (13 800 feet) above the volcano….
A moderately strong solar flare measuring M2.8 at its peak erupted from Active Region 2871 at 04:42 UTC on September 23, 2021. The event started at 04:35 and ended at 04:50 UTC. The flare was associated with a Type II Radio Emission at 04:44 UTC with an estimated…
New activity/unrest was reported for 2 volcanoes from September 15 to 21, 2021. During the same period, ongoing activity was reported for 15 volcanoes. New activity/unrest: La Palma, Spain | Semisopochnoi, Aleutian Islands (USA). Ongoing activity: Agung, Bali…
A strong increase in the amplitude of volcanic tremor was observed at Cumbre Vieja volcano, La Palma, Canary Islands around 12:00 UTC on September 21, indicating the intensity of strombolian activity is increasing. The activity further intensified on September 22…
A strong earthquake registered by the USGS as M6.5 hit near the coast of Nicaragua at 09:57 UTC on September 22, 2021. The agency is reporting a depth of 30.7 km (19 miles) EMSC is reporting M6.5 at a depth of 60 km (37 miles). The epicenter was located 80 km (50…
A strong and shallow earthquake registered by Geoscience Australia as M5.9 hit near Melbourne, Australia at 23:15 UTC on September 21, 2021 (09:15 LT, September 22) at a depth of 10 km (6.2 miles). The USGS is reporting M5.9 at a depth of 10 km, EMSC M5.9 at a depth…
A strong and shallow earthquake registered by the CSN Chile as M6.6 hit the Biobio Region of Chile at 13:14 UTC on September 21, 2021, at a depth of 10 km (6.2 miles). The USGS is reporting M6.4 at a depth of 17.4 km (10.8 miles), EMSC M6.4 at a depth of 2 km (1.2…
A strong and shallow earthquake registered by the USGS as M6.0 hit the Kuril Islands, Russia at 20:25 UTC on September 20, 2021. The agency is reporting a depth of 25 km (15 miles). EMSC is reporting M6.0 at a depth of 9 km (5.6 miles). The epicenter was located 375…
Ash emissions from the ongoing eruption at Semisopochnoi volcano, Alaska have increased in frequency and intensity, prompting the Alaska Volcano Observatory (AVO) to raise the Aviation Color Code to Red at 05:58 UTC on September 20, 2021. Satellite images show an…
