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 major eruption started at Ecuador's Sangay volcano at 09:20 UTC (04:20 LT) on September 20, 2020. According to the Washington VAAC, volcanic ash rose to 12.2 km (40 000 feet) above sea level, moving W at 18 – 28 km/h (11 – 17 mph). Heavy ashfall was reported…
Tropical Storm "Beta" is slowly moving WNW toward Texas, producing a long-duration rainfall event from the middle Texas coast to southern Louisiana. There is the danger of life-threatening storm surge through Tuesday along portions of the Texas and…
Medicane Cassilda (Ianos) made landfall in Argostoli, Kefalonia, western Greece at 02:20 UTC on September 18, 2020, with maximum sustained winds up to 110 km/h (70 mph), gusts to 135 km/h (85 mph), and heavy rain. Widespread destruction was reported. At least 3…
A newly-discovered asteroid designated 2020 SW is expected to flyby Earth at just 0.07 LD / 0.00019 AU (28 423 km / 17 661 miles) at 11:18 UTC (± 06:18) on September 24, 2020. This is the 66th known asteroid to flyby Earth within 1 lunar distance since the…
A strong and shallow earthquake registered by the USGS as M6.9 hit central Mid-Atlantic Ridge at 21:43 UTC on September 18, 2020. The agency is reporting a depth of 10 km (6.2 miles). EMSC is reporting M6.7 at a depth of 10 km (6.2 miles). The epicenter was located…
Tropical Storm "Beta" formed in the Gulf of Mexico at 21:00 UTC on Friday, September 18, 2020. This is the 23rd named storm of the 2020 Atlantic hurricane season and the 10th so far this month — a record for September. Storm Surge and Tropical Storm or…
Subtropical Storm "Alpha" formed near the coast of Portugal at 16:30 UTC on September 18, 2020. This is the 22nd named storm of the 2020 Atlantic hurricane season and the earliest named 22nd Atlantic storm, breaking the previous record set by Wilma on…
Tropical Storm "Teddy" formed at 09:00 UTC on September 14, 2020, as the earliest 19th Atlantic named storm on record. The previous record for the 19th named storm was October 4 (2005) — this was initially an unnamed storm, added in post-season…
The first medicane of the 2020/21 Mediterranean medicane season — named Cassilda by the unofficial Mediterranean Cyclone Center (MCC), and Ianos by the National Observatory of Athens — formed in the Ionian Sea on September 16. The storm is moving toward Greece and…
New activity/unrest was reported for 1 volcano from September 8 to 14, 2020. During the same period, ongoing activity was reported for 14 volcanoes. New activity/unrest: Sinabung, Indonesia. Ongoing activity: Aira, Kyushu (Japan) | Bezymianny, Central Kamchatka…
