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10 December 2013
Hey, it’s weird up here – there must be an earthquake in the atmosphere
Months before the devastating earthquake that struck Haiti in 2010, warning signs could be detected hundreds of miles above the Earth’s surface, according to new data presented Monday at the American Geophysical Union’s Fall Meeting. There were strange disturbances in a layer of the atmosphere called the ionosphere up to one month before the magnitude 7.0 earthquake struck about 10 miles southwest of Port-au-Prince, according to Pierre-Richard Cornely, an atmospheric …
21 November 2012
Huge signal-distorting space bubbles spawn along equator as night falls
In our Sun’s most active years, enormous snake-like bubbles of plasma emerge overhead on Earth at nightfall. You can’t see them, but these bubbles can bend and disperse radio waves, interfering with communications networks. Now, a satellite soaring low in Earth’s orbit has observed the continuous birth of these evening-time bubbles for the first time, and scientists have started to chart their evolution.
GeoSpace is a blog on Earth and space science, managed by AGU’s Public Information staff. The blog features posts by AGU writers and guest contributors on all sorts of relevant science topics, but with a focus on new research and geo and space sciences-related stories that are currently in the news.