• Large pyroclastic flows at Mount Sinabung, Indonesia

    A new set of moderate eruptions at Indonesia's Mount Sinabung volcano produced large pyroclastic flows on June 12 and 13, 2015, ten days after authorities raised the alert level to highest (4/4) and ordered evacuation of all people living within a 7-km radius.

  • Shallow M6.1 earthquake registered off the coast of Hihifo, Tonga

    A shallow M6.1 earthquake was registered by Geoscience Australia off the coast of Hihifo, Tonga at 11:07 UTC on June 12, 2015. The agency is reporting depth of 35 km (21.7 miles). Preliminary report by USGS mentions M6.3 at a depth of 28.6 km (17.8 miles).According to t

  • After Europe and Canada, noctilucent clouds expand to USA

    The 2015 northern hemisphere noctilucent clouds season started on May 19, 2015 when NASA's AIM spacecraft spotted a patch of electric blue clouds over the Artactic Circle. Since then, noctilucent clouds (NLCs) have been moving south and, on June 8 – 9, they…

  • Active volcanoes in the world: June 3 – 9, 2015

    New activity/unrest was observed at 10 volcanoes from June 3 – 9, 2015. During the same period, ongoing activity was observed at 14 volcanoes. New activity/unrest: Barren Island, Andaman Islands (India) | Concepcion, Nicaragua | Cotopaxi, Ecuador | Karangetang [Api Siau

  • 2015 El Nino: Ocean temperatures in the tropical Pacific rising

    The Australian Bureau of Meteorology analysis of international climate models indicates further warming of the tropical Pacific. The sea surface temperatures are forecasted to remain above the El Niño threshold for the rest of this year which means the 2015 El

  • EGU briefing: Continued risks of natural disasters in Nepal

    The European Geosciences Union (EGU), through its Seismology and Natural Hazards Divisions, has issued an information briefing about the recent Nepal earthquakes today. The text, written for the broad geoscience community, summarises the earthquake processes,