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Earth Sciences Jun 7, 2021

A new approach to calculate earthquake slip distributions

During an earthquake, Earth's crust moves, or slips, along fractures in rock called faults. These movements can be detected and recorded by geophysical instruments located at various locations on Earth's surface. Recordings ...

Earth Sciences Jun 3, 2021

Linked faults under Salt Lake City may elevate risk of building damage

A complex zone of folding and faulting that links two faults underneath downtown Salt Lake City could deform the ground during a large earthquake, according to a new study.

Earth Sciences May 26, 2021

What causes the deep Earth's most mysterious earthquakes?

The cause of Earth's deepest earthquakes has been a mystery to science for more than a century, but a team of Carnegie scientists may have cracked the case.

Earth Sciences Apr 23, 2021

Fiber optic cable monitors microseismicity in Antarctica

At the Seismological Society of America's 2021 Annual Meeting, researchers shared how they are using fiber optic cable to detect the small earthquakes that occur in ice in Antarctica.

Earth Sciences Apr 21, 2021

Aerial photos uncover an invisible fault in Chinese city

Decades-old aerial photos of Yudong District, Datong City in Shanxi Province, Northern China have helped researchers in their search for a fault hidden underneath the city's buildings and cement roads, researchers said at ...

Earth Sciences Apr 20, 2021

Earthquakes continued after COVID-19-related oil and gas recovery shutdown

When hydraulic fracturing operations ground to a halt last spring in the Kiskatinaw area of British Columbia, researchers expected seismic quiescence in the region. Instead, hundreds of small earthquakes occurred for months ...

Earth Sciences Apr 20, 2021

Was Cascadia's 1700 earthquake part of a sequence of earthquakes?

The famous 1700 Cascadia earthquake that altered the coastline of western North America and sent a tsunami across the Pacific Ocean to Japan may have been one of a sequence of earthquakes, according to new research presented ...

Earth Sciences Apr 19, 2021

Can magnitude 4 earthquake rates be used to forecast large earthquake events?

Boston College seismologist John Ebel and his colleagues have noted a pattern for some large California earthquakes: magnitude 4 or larger earthquakes occur at a higher rate along a fault in the two decades or more prior ...

Earth Sciences Apr 19, 2021

GPS data reveal possible earthquake, tsunami hazard in northwestern Colombia

Data from a GPS network in Colombia have revealed a shallow and fully locked part on the Caribbean subduction zone in the country that suggests a possible large earthquake and tsunami risk for the northwest region.

Earth Sciences Apr 15, 2021

Researchers find link between earthquake timing and water cycle in Taiwan

A team of researchers from Taiwan, Canada and the U.S. has found a link between the water cycle in Taiwan and the timing of earthquakes there. In their paper published in the journal Science Advances, the group describes ...

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