Environment
What Are Seismic Waves?
Seismic waves are vibrations that carry energy away from an earthquake, explosion or other sudden source. Their speed and path depend on the elastic properties and densi…
Usgs
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Articles about Usgs
64 published items.
Environment
What Is Plate Tectonics?
Plate tectonics is the framework that explains the large-scale motion of Earth's rigid outer shell. The lithosphere is broken into plates that move over the weaker asthe…
Environment
How Do Volcanoes Erupt?
Volcanoes erupt when magma and gases move from depth toward Earth's surface and pressure overcomes the strength of surrounding rock. The style of eruption depends on mag…
Environment
How Do Earthquakes Happen?
Earthquakes happen when stress accumulated in rocks is released suddenly as a fault slips. Tectonic plates move continuously, but friction can lock parts of their bounda…
Environment
Is the 6.6 magnitude earthquake in the Pacific Rim affecting Vietnam?
The 6.6 magnitude earthquake that occurred on the morning of May 27 shook sparsely populated areas, including the islands of Kao and Tofua.
Environment
California earthquake signs San Andreas seismic once every 150 years?
For many years, US geologists have warned of the possibility of a huge earthquake along the San Andreas fault that cuts through California (USA) because its 150-year cyc…
Environment
The magnitude 8 earthquake shook northern Peru
The strong earthquake with epicenter was located at a depth of 105km near the residential area of Peru, there is no information about casualties yet.
Discover science
America discovered the largest oil field worth 900 billion USD
The US Geological Survey found new oil reserves of 20 billion barrels of oil, worth about $ 900 billion in Texas, USA.
Discover science
The US Navy tested earthquake weapons
The US Geological Survey (USGS) identified the tremors on July 16 off the coast of Florida not an earthquake, but a naval explosion test.
Oceanography
Amazing scientific findings in the Gulf of Mexico
US scientists have claimed to have discovered and identified the date of ancient coral reefs near the Deepwater Horizon rig incident.
Oceanography
Arctic has large fossil fuel reserves
The northern area of the Arctic Circle is estimated to have about 90 billion barrels of oil, with 1.670 trillion minutes of recoverable natural gas reserves and 33 bil…
Space science
Solar storms are impervious to earthquakes
Researchers from the US Geological Survey (USGS) have dismissed the long-held hypothesis that the sun's activity shakes the ground, leading to an increase in seismic act…
Animal world
Polar bear's super swimming ability
Scientists from the US Geological Survey (USGS) have attached GPS tracking devices to the necks of more than 500 female polar bears in the Beaufort Sea, Alaska. After 5…
Animal world
Discovering frog community near extinction
For the first time in nearly 50 years, a nearly extinct frog community was discovered in the San Jancito wilderness area of the San Bernadino National Forest.
Animal world
Self-transsexual fish are related to population and agriculture in the Potomac River basin
For years, scientists have been investigating why so many small-mouthed male bass in the Potomac River basin have immature egg cells in their testes - this is a form of…