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.
Geoeffective Active Region 2673 produced 7 M-class and at least 8 C-class solar flares on September 4, 2017. The strongest was M5.5 at 20:33 UTC associated with an asymmetric full halo Coronal Mass Ejection (CME). This region has the potential to produce more strong…
A massive landslide caused by heavy rainfall hit Chandigarh-Shimla National Highway near Dhalli Tunnel in Himachal Pradesh, India on September 2, 2017, burying eight vehicles and a temple. No one was hurt in the incident, the police said. "A portion of the…
An intense earthquake swarm started near Soda Springs, southeastern Idaho at 23:55 UTC on Saturday, September 2, 2017. Local authorities say they cannot ever remember any earthquake swarm in Southeast Idaho that comes even close to the current series of temblors…
Yellowstone earthquake activity remains at elevated levels, compared with typical background activity, since June 12, 2017, when an energetic earthquake swarm started in the region. In total, 2 532 earthquakes were registered since then. However, there are…
A large and geoeffective Active Region 2673 (beta-gamma) unleashed a moderately strong M1.2 solar flare at 05:49 UTC on September 4, 2017. The event started at 05:36 and ended at 06:05 UTC. The region increased 10-fold in a single day, suddenly becoming one of the…
A strong earthquake registered by the USGS as M6.0 hit South Sandwich Islands at 08:07 UTC on September 4, 2017. The agency is reporting a depth of 35 km (21.7 miles). EMSC is reporting M6.1 at a depth of 80 km (49.7 miles). According to the USGS, the epicenter was…
There are no major (Class I) meteor shower peaks during this month. Instead, we have two minor ones (Class II), Aurigids on September 1 and September Epsilon Perseids on September 9, with an estimated number of meteors per hour of 6 and 5, respectively. We'll…
A newly discovered asteroid designated 2017 QB35 will flyby Earth at 0.93 LD (~357 120 km / 221 904 miles) on September 3, 2017. This is the 28th known asteroid to flyby Earth within 1 lunar distance since the start of the year (according to data available September…
New/activity unrest was reported for 3 volcanoes between August 23 – 29, 2017. During the same period, ongoing activity was reported for 17 volcanoes. New activity/unrest: Ibu, Halmahera (Indonesia) | Pacaya, Guatemala | Sangay, Ecuador. Ongoing activity: Aira,…
A strong and shallow earthquake registered by the USGS as M6.3 hit near the coast of Sumatra, Indonesia at 17:06 UTC on August 31, 2017. The agency is reporting a depth of 49.5 km (30.7 miles). EMSC is reporting M6.4 at a depth of 60 km (37.3 miles). According to…
