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No dia 22 de maio de 2019, o Observatório Vulcanológico e Geotérmico dos Açores (OVGA) participou, a convite do Observatório Microbiano dos Açores (OMIC), na atividade “Rota Científica Vulcão das Furnas: da rocha à vida”, inserida na celebração do Dia Mundial da Diversidade Biológica. Neste evento, que contou com a participação de 200 alunos, os técnicos do...
  Researchers used multibeam sonar to find the underwater volcano. The reflected sonar waves revealed the outline of the underwater volcano (red) and the gassy plume rising from it. Credit: MAYOBS team (CNRS/IPGP-Université de Paris/Ifremer/BRGM)   A strange seismic event off the coast of Africa has led scientists to a mighty finding: the discovery of the largest underwater volcanic eruption ever recorded. The eruption also may explain a weird seismic event...
  Here, the ridges of Batok and Bromo volcanoes in Indonesia. Credit: Copyright by Siripong Kaewla-iad/Getty Images   Massive tectonic collisions in the tropics may have caused Earth's last three great ice ages. Before each of these ice ages, new research finds, collisions between continents and island arcs built long chains of mountains in the tropical latitudes. These mountains may have set the stage for a cooling climate: As they eroded into the seas, they...
  The island of Bermuda, seen here from the International Space Station, sits on the husk of an ancient volcano. Rock samples from the island suggest it’s a strange hybrid that represents a whole new way for the planet to make volcanoes. Credits: NASA / Chris Hadfield   No two volcanoes are the same, but they all form in the same handful of ways. All, it seems, except for the ancient volcano forming the foundations of the island of Bermuda. After...