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 very strong earthquake measuring M 6.6 struck Guatemala/Mexico border region on September 7, 2013 at 00:13 UTC. USGS measured depth at 67 km (41.6 miles), EMSC at 114 km. Three aftershocks were recorded by USGS. Magnitude 5.4 hit seven minutes
A giant volcano has been identified under the Pacific Ocean, about 1 600 kilometers east of Japan, making it the biggest single volcano on Earth and one of the biggest in the Solar system. Tamu Massif, the giant shield volcano which covers an area of about
Magnitude 6.0 earthquake struck Batan Islands region, Philippines, on September 6, 2013 at 11:33 UTC. USGS measured depth at 178.1 km (110.6 miles).
Epicenter was located off the coast, 43 km (27 miles) ESE of Uyugan and 214 km (133 miles) NNE of Aparri,
Thousands of never-before-seen data products from the US Landsat satellites acquired over 30 years have been released for online access. In addition, the newest data over Europe from the latest satellite in the series, Landsat-8, are now accessible in near-real time
Magnitude 6.0 earthquake struck off the coast of Costa Rica on September 5, 2013 at 12:29 UTC. USGS measured depth at 18 km (11.2 miles).
Epicenter was located 44 km (27 miles) W of Sardinal and 61 km (38 miles) NW of Santa Cruz, Costa Rica.
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During past seven days 9 volcanoes had new activity, ongoing activity was reported for 13 volcanoes. This report covers active volcanoes in the world from August 28 – September 3, 2013 based on Smithsonian/USGS
A strong and very deep earthquake M 6.9 (JMA) struck Izu Islands, Japan, at 00:18 UTC on September 4, 2013. USGS measured it as M 6.5 at a depth of 407 km, JMA at 400 km. Epicenter was located at sea, 354 km (220 miles) SSW of Hachijo-jima and 635
The Bayou Corne sinkhole, also known as Louisiana sinkhole, was discovered in August 2012 when a Napoleonville salt dome, a naturally-occurring underground salt deposit, suddenly collapsed after months of unexplained seismic activity and
A strong and shallow M 6.1 earthquake struck Haida Gwaii region (Queen Charlotte Sound), Canada, at 20:19 UTC on September 3, 2013. USGS is reporting a shallow depth of 1 km.
Epicenter was located at sea, 191 km (119 miles) WSW of Bella
A phase of increased lava flow activity occurred this morning at Fuego volcano, Guatemala, generating a series of pyroclastic flows that descended mostly on the southwestern side of the volcano. An ash plume rising as a by-product of the pyroclastic flows was…
