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.
Two strong eruptions were recorded at Russia's Sheveluch volcano over the past 24 hours. The first one, registered at 20:30 UTC on September 7, sent ash up to 8.2 km (27 000 feet) above sea level, while the second, registered at 10:30 UTC today, sent ash up to…
Category 2 Hurricane "Katia" is slowly moving toward the coast of eastern Mexico and is expected to make landfall near or at major hurricane strength early Saturday morning (CDT), September 9, 2017, somewhere between Nautla and Monte Gordo, Veracruz. A…
A strong solar flare measuring M8.1 at its peak erupted from Active Region 2673 at 07:49 UTC on September 8, 2017. The event started at 07:40 and ended at 07:58 UTC. This is the third M-class solar flare of the day and the 18th since September 4, when the first…
A major earthquake registered by the USGS as 8.1 (upgraded from M8.0) hit near the coast of Chiapas, Mexico at 04:49 UTC on September 8, 2017 (23:49 local time, September 7). The agency is reporting a depth of 69.7 km (43.3 miles). A red alert for shaking-related…
A Coronal Mass Ejection (CME) produced by the X9.3 solar flare on September 6, 2017, reached our planet at 23:04 UTC on September 7, 2017, a full day earlier than it was expected. G3 – Strong geomagnetic storming started 23:25 and increased to G4 – Severe at 23:50…
Volcanic activity at Aoba volcano, also known as Ambae, continues to increase, the Vanuatu Geohazards Observatory (VGO) reported September 6, 2017, and raised the Volcanic Alert Level for the volcano from Level 2 to Level 3 (on a scale of 0 – 4). This means that the…
New activity/unrest was reported for 4 volcanoes between August 30 and September 5, 2017. During the same period, ongoing activity was reported for 19 volcanoes. New activity/unrest: Ambrym, Vanuatu | Fernandina, Ecuador | Nevados de Chillan, Chile | Sangay,…
A deep earthquake registered by the JMA as M6.1 hit Bonin Islands, Japan at 17:26 UTC on September 7, 2017. The agency is reporting a depth of 460 km (285.8 miles). USGS is reporting the same magnitude and depth. According to the USGS, the epicenter was located…
Icelandic Met Office (IMO) reports an earthquake swarm started in the Bardarbunga caldera at 02:15 UTC on September 7, 2017 when an earthquake of magnitude 4.1 occurred. The last eruption of this volcano started in September 2014 and ended in February 2015….
A major solar flare measuring X1.3 at its peak time erupted from Region 2673 at 14:36 UTC on September 7, 2017. The event started at 14:20, peaked at 14:36 and ended at 14:55 UTC. This is the third X-class solar flare since X2.2 at 09:10 UTC and X9.3 at 12:02 UTC on…
