One hundred years ago today, the greatest volcanic eruption of the 20th Century occurred at Mount Katmai, Alaska. Mount Katmai, one of a chain of volcanoes in the upper Alaska Peninsula, erupted through a vent 6 mi (10 km) from its summit, releasing 30 times the amount of magma that erupted from Mount St. Helens in 1980. Photographer and author: Bill Burton USGS
A video compilation featuring images from the Hubble Space Telescope, to celebrate how it has opened the portal of the universe to humanity, and how the astonishing images it has captured represent, literally and metaphorically, that humanity’s birthplace.
In the image you can see a meltwater pond nestled amid the rock-and-ice covered fringe of Greenland. Most of the surface of Greenland is covered with fresh water—about 2.6 million cubic kilometers of it. Yet that water is frozen, locked up in ice and snow. NASA Photograph by Jim Yungel, NASA Wallops Flight Facility
A rare phenomenon, the British Isles are seen under clear skies in this satellite image, on Saturday 26 May. Image credit: the University of Dundee
An earthquake is the result of a sudden release of energy in the Earth’s crust that creates seismic waves. It is one of most powerful and most disastrous forces in nature. This animation compares the “sizes” of recent years historical earthquakes.
This picture was taken last winter in Finnish Lapland where weather can include sub-freezing temperatures and driving snow. These giant trees covered in snow and ice, are possibly the guardians of the North. Surreal landscapes sometimes result, where common trees become cloaked in white. Image Credit: Niccolò Bonfadini via apod