• Strong eruption of Villarrica volcano, Chile

    After a significant increase in seismicity which started in February, Chile's Villarrica volcano violently erupted at 06:46 UTC (03:46 local time) on March 3, 2015 ejecting magma fragments up to 1 km above the crater. Ash column reached an altitude of about 3 km and

  • Strange behavior of Antarctic noctilucent clouds

    The southern noctilucent clouds (NLCs) season is over now, but looking back over the entire season reveals something unexpected.In an 8-year plot of the Antarctic noctilucent cloud frequencies, the 2014/15 season is clearly different from the rest, SpaceWeather reports.

  • Five years of earthquakes in Chile

    The 8.8 magnitude earthquake which struck central Chile on February 27, 2010 was the largest in that country in 50 years.This animation shows that earthquake and all those recorded there in the following five years, including the 8.2 magnitude earthquake in northern Chi

  • Active volcanoes in the world: February 18 – 24, 2015

    New activity was observed at 6 volcanoes from February 18 – 24, 2015. During the same period, ongoing activity was observed at 15 volcanoes.New activity/unrest: Ambrym, Vanuatu | Chikurachki, Paramushir Island (Russia) | Fuego, Guatemala | Karymsky, Eastern Kamchatka (R

  • Persistent dust storms across the Arabian Peninsula

    In late February 2015, a significant winter storm stirred up dust and sand across much of the Arabian Peninsula. The low-pressure system energized strong northwest winds that carried dust from as far as northern Saudi Arabia, Iraq, and Kuwait to the shores of the Persia

  • Satellite tracks Saharan dust to Amazon in 3D

    For the first time, a NASA satellite has quantified in three dimensions how much dust makes the trans-Atlantic journey from the Sahara Desert to the Amazon rainforest. Among this dust is phosphorus, an essential nutrient that acts like a fertilizer, which the Amazon dep