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.
According to information received from the Scientists at the Belmont Volcano Observatory, there were lahar flows within the river system in the Red and Orange Volcano Hazard Zones at St. Vincent island from 09:00 to 10:00 LT on April 27, 2021. Lahar is a rapidly…
A strong and shallow earthquake registered by India's National Center for Seismology as M6.4 hit Assam, India at 02:21 UTC (07:56 LT) on April 28, 2021. The agency is reporting a depth of 17 km (10.5 miles). The USGS is reporting M6.0 at a depth of 34 km (21…
A massive landslide took place at the Great Whale River in Quebec, Canada on April 22, 2021, dumping massive amounts of debris into the river. The slide occurred roughly 9 km (5.6 miles) upstream from Kuujjuaraapik. Kativik Regional Government officials said a…
A strong and deep earthquake registered by the USGS as M6.4 hit the Tonga region at 22:28 UTC on April 25, 2021. The agency is reporting a depth of 234 km (145 miles). EMSC is reporting as M6.5 at a depth of 242 km (150 miles). The epicenter was located 200 km (125…
A partial halo Coronal Mass Ejection (CME) produced by the C3.8 solar flare from Region 2816 at 04:35 UTC on April 22 is heading toward Earth and is expected to arrive on April 25. As a result, a G2 – Moderate geomagnetic storming is expected. This CME has been…
A deep earthquake registered by the USGS as M6.4 hit the Fiji region at 00:23 UTC on April 24, 2021. The agency is reporting a depth of 290 km (180 miles). EMSC is reporting M6.4 at a depth of 273 km (169 miles). The epicenter was located about 220 km (137 miles)…
Eruptive activity at Semisopochnoi has gradually increased over the last 24 hours, the Alaska Volcano Observatory (AVO) reported at 21:48 UTC on April 22, 2021. Satellite views of the volcano show a continuous plume extending 80 km (50 miles) to the south at…
A C3.8 solar flare erupted from Active Region 2816 at 04:35 UTC on April 22, 2021, producing a coronal mass ejection (CME). The event started at 04:10 and ended at 05:00 UTC. The location of the source region favors Earth-directed CMEs. The flare was associated with…
New activity/unrest was reported for 5 volcanoes from April 14 to 20, 2021. During the same period, ongoing activity was reported for 18 volcanoes. New activity/unrest: Karymsky, Eastern Kamchatka (Russia) | Krysuvik-Trolladyngja, Iceland | Piton de la Fournaise,…
A moderately strong solar flare measuring M1.1 at its peak erupted at 23:42 UTC on April 19, 2021. The event started at 23:19 and ended at 23:59 UTC. The source was Active Region 2816 (beta). Associated with this event were Type II (shock velocity of 750 km/s) and…
