Volcanoes get quiet before they erupt! When dormant volcanoes are about to erupt, they show some predictive characteristics–seismic activity beneath the volcano starts to increase, gas escapes through.
KILAUEA VOLCANO (BIVN) - Scientists flew over the new lava flows on Puʻu ʻŌʻō this morning, and have returned with new video and new photos. USGS has also created a new map that shows the breakouts in relation to nearby communities in Puna.
Steam Plume from Gaua Volcano Taken May 2013 by a member of the International Space Station crew using a Nikon digital camera. Located in the Pacific Ocean, Gaua island is the top of a stratovolcano part of the Vanuatu Archipelago