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.
Mount Etna’s Southeast Crater exhibited intensified Strombolian activity on April 8, 2025, leading to strong emission of volcanic ash clouds reaching altitudes of approximately 5.5 km (3.4 miles) above the volcano and drifting southeast. The Aviation Color Code was raised to Red.
A very strong earthquake registered by the USGS as M6.9 hit New Britain region of Papua New Guinea at 20:05 UTC on April 4, 2025 (06:05 LT, April 5). The agency is reporting a depth of 10 km (6.2 miles). EMSC is reporting the same magnitude and depth.
Drone footage released on April 3, 2025, shows major tornado damage in Jeffersontown, Kentucky, where buildings were destroyed in an industrial park on April 2. A separate tornado in Ballard County left four people injured, one critically.
A strong and shallow earthquake registered by the USGS as M6.9 hit Reykjanes Ridge, Atlantic Ocean at 14:09 UTC on April 3, 2025. The agency is reporting a depth of 10 km (6.2 miles). EMSC is reporting M6.8 at a depth of 7 km (4.3 miles).
New activity/unrest was reported for 6 volcanoes from March 26 to April 1, 2025. During the same period, ongoing activity was reported for 21 volcanoes.
A powerful spring storm system will bring a barrage of life-threatening weather, including flash flooding and strong tornadoes, to portions of the Lower Ohio Valley and Mid-South on Wednesday, April 2, 2025. The flash flood threat is only the beginning of a multi-day catastrophic and potentially historic event.
A strong and shallow earthquake registered by the USGS as M6.3 hit the Pacific-Antarctic Ridge at 00:29 UTC on April 2, 2025. The agency is reporting a depth of 10 km (6.2 miles). EMSC is reporting the same magnitude and depth.
A new volcanic eruption has just begun north of the dam near Grindavík, Iceland, the Icelandic Met Office (IMO) reported at 09:45 UTC. A Coast Guard helicopter was sent to confirm the exact location and size of the eruption. This is the 11th eruption on the Reykjanes Peninsula since 2021 and the 9th on the Sundhnúk crater series.
A strong M5.6 solar flare erupted from Active Region 4046 at 07:55 UTC on April 1, 2025, producing a 10cm radio burst but showing no signs of an associated coronal mass ejection (CME). Meanwhile, a solar radiation storm triggered by the X1.1 flare on March 28 reached the S2 – Moderate threshold at 02:05 UTC today.
Minor solar radiation storm conditions were registered on March 31, 2025, after an X1.1 solar flare erupted from the Sun’s east limb on March 28.
