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 moderately strong earthquake registered by the EMSC as M5.1 (downgraded from M5.8) hit offshore Crete near Antikythera, Greece at 16:26 local time (13:26 UTC) on July 23, 2025. The agency is reporting a depth of 50 km (31 miles).
Tropical Storm Emong was named by PAGASA on July 23, 2025, as the system intensified over the West Philippine Sea. Further intensification is forecast and landfall is expected over Ilocos Sur, La Union, or Pangasinan late Thursday or early Friday. Japan Meteorological Agency (JMA), authority for the basin, has not yet upgraded the system to tropical storm status.
Morris County, New Jersey experienced a sequence of seven shallow earthquakes over an 18-hour period on July 21, 2025, with magnitudes ranging from M0.7 to M2.0 and all events occurring at a depth of approximately 5 km (3 miles).
Swift-water rescue and one fatality were reported during flash flooding in the Kansas City metro area on July 21, 2025. A woman was saved from Indian Creek in Kansas City, Missouri, while another was found deceased in floodwaters on a trail in Overland Park, Kansas.
Strong aftershocks continue shaking eastern Kamchatka following a powerful M7.4 earthquake that struck east of Petropavlovsk-Kamchatsky at 06:49 UTC on July 20, 2025. A total of 136 M4+ earthquakes, including six foreshocks and multiple M6+ events, have been recorded since the sequence began.
A newly discovered asteroid designated 2025 OS flew past Earth at a distance of just 0.03 LD (0.00007 AU / 10 457 km / 6 498 miles) at 03:21 UTC on July 19, 2025.
Volcanic haze and elevated levels of sulfur dioxide (SO2) from the Sundhnúk crater range eruption are affecting the western half of Iceland, especially the southwesternmost regions. The Icelandic Meteorological Office forecasts persistent volcanic haze in the south and west through Monday, due to slow and variable winds.
A strong earthquake registered by the USGS as M6.2 hit south of Sand Point, Alaska at 22:28 UTC on July 20, 2025. The agency is reporting a depth of 47.3 km (29 miles). EMSC is reporting the same magnitude and depth. The quake hit four days after powerful M7.3 struck the same region, triggering a Tsunami Warning.
A very strong earthquake registered by the USGS as M7.4 hit near the coast of the Kamchatka Peninsula, Russia at 06:49 UTC on July 20, 2025. The agency is reporting a depth of 20 km (12.4 miles). The quake was preceded by M5.0 at 06:02 and M6.7 at 06:28 UTC and followed by another M6.7 at 09:07 UTC.
New activity/unrest was reported for 7 volcanoes from July 9 to 15, 2025. During the same period, ongoing activity was reported for 18 volcanoes.
