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 high-level eruption started at Hunga Tonga-Hunga Ha'apai volcano, Tonga on December 19, 2021, with a volcanic plume rising up to 6 km (20 000 feet) above sea level at 21:41 UTC, according to the Wellington VAAC. The Aviation Color Code was raised to Red….
A shallow earthquake registered by the USGS as M6.0 hit South Sandwich Islands region at 03:39 UTC on December 20, 2021. The agency is reporting a depth of 10 km (6.2 miles). EMSC is reporting M6.0 at a depth of 5 km (3.1 miles). The epicenter was located about 2…
A strong and shallow earthquake registered by the USGS as M6.3 hit just north of Fiji at 16:28 UTC on December 19, 2021. The agency is reporting a depth of 10 km (6.2 miles). EMSC is reporting M6.1 at a depth of 40 km (25 miles). The epicenter was located about 88…
Volcanic activity at Yasur volcano, Vanuatu continues at the major unrest state with ongoing volcanic gases and ashes emissions and an increase in activity recorded on December 18, 2021. The Volcanic Alert Level remains at Level 2. The latest data analysis indicates…
A shallow earthquake registered by the USGS as M6.0 hit Prince Edward Islands region at 20:05 UTC on December 18, 2021. The agency is reporting a depth of 10 km (6.2 miles). EMSC is reporting M6.1 at a depth of 2 km (1.2 miles). The epicenter was located about 1 600…
Typhoon "Rai" — known locally as Odette — reached Super Typhoon intensity on December 16, 2021, just before it made landfall on the popular tourist island of Siargao, Philippines with maximum sustained winds around 195 km/h (120 mph).1 Rai is the 6th…
A strong and shallow earthquake registered by the USGS as M6.1 hit South Sandwich Islands region at 21:14 UTC on December 16, 2021. The agency is reporting a depth of 10 km (6.2 miles). EMSC is reporting M6.1 at a depth of 2 km (1.2 miles). The epicenter was located…
New activity/unrest was reported for 3 volcanoes from December 8 to 14, 2021. During the same period, ongoing activity was reported for 13 volcanoes. New activity/unrest: Awu, Sangihe Islands (Indonesia) | Davidof, United States | Semeru, Eastern Java (Indonesia)….
Typhoon "Rai" (Odette) rapidly intensified on December 16, 2021, becoming a Category 5 Super Typhoon before making landfall over the Philippines. Rai is the 22nd named storm of the 2021 Pacific typhoon season and the 9th typhoon. "Pretty scary stuff…
The Indonesian Center for Volcanology and Geological Hazard Mitigation (CVGHM) has raised the Alert Level for Awu volcano from 1 to 2 (Alert) on December 12, 2021, due to increased seismic activity detected since October. The last eruption at this volcano took place…
