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.
Unsettled to active geomagnetic field levels are possible on January 5, 2021, due to the onset of an anticipated Solar Sector Boundary Crossing (SSBC) followed by coronal hole influence late in the day. G1 – Minor geomagnetic storm conditions are likely on January 6…
A newly-discovered asteroid designated 2021 AH flew past Earth at a distance of 0.13 LD / 0.00033 AU (49 367 km / 30 675 miles) from the center of our planet at 23:37 UTC on January 3, 2021. This is the second known asteroid to flyby Earth within 1 lunar distance…
A bright daylight fireball was recorded above Bahia, Brazil at 18:59 UTC on January 2, 2021 (15:59 LT). The event reportedly scared some of the residents of central Bahia. The bolide was also recorded by NOAA/GOES-16 satellite. Featured image credit: BRAMON…
Volcanic activity at Etna volcano in Italy gradually intensified at around 08:00 UTC on January 4, 2021, forcing authorities to raise the Aviation Color Code to Red. The Aviation Color Code was raised to Red at 08:42 UTC and lowered back to Orange at 11:26 when…
On Sunday, January 3, 2021, the National Emergency Management Organization (NEMO) advised all citizens and residents of St. Vincent and The Grenadines that no evacuation order has been issued to any section of the population. False information about evacuation…
A fireball as bright as the full Moon was recorded streaking through the night sky over southern Span at 04:08 UTC on January 2, 2021. This bolide was generated by a rock from a comet that hit the atmosphere at about 230 000 km/h. The fireball began at an altitude…
A strong and shallow earthquake registered by the USGS as M6.1 hit the Andreanof Islands, U.S. at 12:38 UTC on January 3, 2021. The agency is reporting a depth of 17 km (10.5 miles). EMSC is reporting M6.1 at a depth of 48 km (30 miles). The epicenter was located…
A newly-discovered asteroid designated 2021 AA flew past Earth at a distance of 0.62 LD / 0.00159 AU (237 860 km / 147 800 miles) from the center of our planet at 13:16 UTC on January 1, 2021. This is the first known asteroid to flyby Earth within 1 lunar distance…
Tropical Cyclone "Imogen" formed in the Gulf of Carpentaria, Australia at 06:00 UTC on January 3, 2021, as the first named storm of the 2020/21 Australian region cyclone season. The forecast track takes Imogen ESE and over the southeast Gulf coast near…
Aftershocks related to the M6.4 earthquake that struck the city of Petrinja, Croatia at 11:19 UTC on Tuesday, December 29, 2020, are migrating north toward the capital Zagreb, Croatia. This is the strongest earthquake to hit Croatia since records began in 1880 –…
