Frequent droughts—interspersed with floods—have become the new norm in eastern East Africa over the past few years, driving a massive food security crisis. In 2020, the Horn of Africa entered its longest and most severe ...
Earth Sciences
Dec 7, 2023
0
44
Activity from the sun, such as solar flares, can cause fluctuations in Earth's geomagnetic field that send electrical currents flowing through power grids. These geomagnetically induced currents (GICs) can cause problems ...
Earth Sciences
Dec 5, 2023
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1
Preparations for a safe landing on Earth, such as finding the most even terrain and equipping the appropriate landing gear, are also crucial for Mars missions.
Planetary Sciences
Dec 4, 2023
0
108
There are thousands of mountains scattered across the seafloor, many of which are thousands of meters tall. These seamounts may have significant impacts on seismicity when the portion of the ocean floor they are on is subducted ...
Earth Sciences
Nov 30, 2023
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10
The Cascade Volcanic Arc stretches from Northern California to southern British Columbia and contains more than a dozen volcanoes. The U.S. Geological Survey classifies 11 of them, including Mount Baker and Mount Hood, as ...
Earth Sciences
Nov 29, 2023
1
69
In the 1800s, some of the strongest earthquakes in recorded U.S. history struck North America's continental interior. Almost two centuries later, the central and eastern United States may still be experiencing aftershocks ...
Earth Sciences
Nov 14, 2023
0
118
Mountains create their own weather or climate systems by changing airflow and precipitation patterns. Orographic, or mountain-influenced, precipitation occurs as moisture-laden air rises over the high topography; the air ...
Earth Sciences
Nov 8, 2023
0
61
Weather forecasting historically has depended on the time-consuming and energy-intensive method of using supercomputers to crunch complex sets of mathematical equations. An up-and-coming alternative involves training artificial ...
Environment
Oct 30, 2023
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18
Flooding in the United States costs communities more than $32 billion each year. As climate change drives increasingly severe and erratic storm events, experts project that figure to rise in coming years: Forecasts estimate ...
Social Sciences
Oct 19, 2023
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6
The past few decades have passed in a smoke-filled haze as severe wildfires have blazed across forests and tundras on multiple continents, frequently turning skies orange and triggering air quality alerts. These fires often ...
Environment
Oct 14, 2023
0
12
