Hotspots driving tectonic plate movement

Hotspots driving tectonic plate movement

Plate tectonics has been on the curriculum for a while now. Most people are fairly familiar with the theory; the Earth's crust – or lithosphere – is broken up into different plates which move around on the very hot, viscous substance beneath.This movement is driven

Scientists warn volcanoes in Australia are due to erupt

Scientists warn volcanoes in Australia are due to erupt

Scientists are now warning that volcanoes in Western Victoria and South Australia are due to erupt. The prediction comes just hours after two earthquakes hit the state this morning.Using new dating techniques, University of Melbourne scientists have found that the

Lava flows at Nabro volcano, Eritrea

Lava flows at Nabro volcano, Eritrea

Since the beginning of the recent eruption, a dense plume of water vapor, gas, and ash has concealed the summit of the Nabro volcano. New images from June 29 finally provided a nearly unimpeded view of the summit, where lava flowed out of the erupting vent and down…

The Chilean caldera still emits a steady stream of ash

The Chilean caldera still emits a steady stream of ash

The Puyehue volcano in Chile continues to spew ash that is still disrupting air travel as far as Australia and New Zealand this week. A new animation of satellite imagery just released from the NASA/NOAA GOES Project shows the ash spewing from the

Close-Up images taken of remote Nabro’s eruption

Close-Up images taken of remote Nabro’s eruption

Eritrea's Nabro volcano has been erupting for a week, but few details of the event are known because of the volcano's remoteness. This pair of images are the first detailed ones taken of erupting vent and lava flows Nabro began erupting on June 12, and has…

Huge rockslides at Mount Rainer

Huge rockslides at Mount Rainer

Mountain climbers and bloggers have posted videos on YouTube this week of dangerous rock and ice slides on Mount Rainier.The blog Mount Rainier Climbing posted a warning to fellow mountaineers on Monday. They recommend climbers avoid the Nisqually Glacier all

Chile’s Puyehue-Cordón Caulle Volcanic Complex eruption persists

Chile’s Puyehue-Cordón Caulle Volcanic Complex eruption persists

As ash from Chile’s Puyehue-Cordón Caulle Volcanic Complex continues to disrupt flights half a world away, the eruption itself persists. The Moderate Resolution Imaging Spectroradiometer (MODIS) aboard the Aqua satellite acquired this natural-color image on June

New activity at Turrialba volcano, Costa Rica

New activity at Turrialba volcano, Costa Rica

The Turrialba volcano has been more active in recent days, spewing out greater emission of gasses and with sound that appears similar to a jet engine. The gas column is more abundant and the noise is more noticeable. Specialists visited the volcano on Thursday and…