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Science

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Earthquakes, Induced Earthquakes, wastewater injection, Oklahoma earthquakes

New Analysis Casts Doubt on Predicted Decrease in Oklahoma Earthquakes

Wastewater injection rates in Oklahoma have declined recently because of regulatory actions and market forces, but seismologists say that has not yet significantly reduced the risk of potentially damaging earthquakes.

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Earthquakes, Geology, Energy Sources, Oil and Gas Extraction, Hydraulic Fracturing, Geophyscics

Shake It Up: Human-Induced and Natural Earthquakes in Central U.S. Are 'Inherently Similar'

The stresses released by human-induced and naturally occurring earthquakes in the central United States are in many cases indistinguishable, meaning that existing tools to predict shaking damage can be applied to both types.

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Toward 20-Story Earthquake-Safe Buildings Made From Wood

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-- A two-story wooden structure endured four different earthquake simulations on July 14, 2017 on the world’s largest outdoor shake table here in San Diego. And it’s still standing before more tests in the coming weeks. The goal of the tests is to gather enough data to design wood buildings as tall as 20 stories that do not suffer significant damage during large earthquakes. That is, not only can occupants leave the building unharmed, but they can come back and resume living in the building shortly after a temblor.

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Grant to Fund Research Into New Metamaterial That Provides Earthquake Protection

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Earthquakes and explosions damage thousands of structures worldwide each year, destroying countless lives in their wake, but a team of researchers at Penn State is examining a completely new way of safeguarding key infrastructure, thanks to a $50,000 Multidisciplinary Research Seed Grant provided by the College of Engineering.

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EEW, Earthquake, Early Earthquake Warning, trump budget cuts, California earthquake

University of Redlands Expert Says Defunding the Earthquake Early Warning System Puts Lives at Risk

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Tectonic Plates, Sumatra, Earthquake, Tsumani, Magnitude, Lisa McNeill

Researchers Drill Deep to Understand Why the Sumatra Earthquake Was So Severe

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An international team of scientists has found evidence suggesting the dehydration of minerals deep below the ocean floor influenced the severity of the Sumatra earthquake, which took place on December 26, 2004.

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Volcano, Volcanoes, Earth Sciences, Earth Science, Geoscience, Geosciences, Eruptions, X-Ray, X-rays, Synchrotron, Advanced Light Source, Berkeley, Lawrence Berkeley National Laboratory, Department Of Energy, LBNL, UC Berkeley, University of California, Berkeley, pumice, Ocean

How X-Rays Helped to Solve Mystery of Floating Rocks

Experiments at Berkeley Lab’s Advanced Light Source have helped scientists to solve a mystery of why some rocks can float for years in the ocean, traveling thousands of miles before sinking.

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Engineering, Research, Construction engineering, structural analysis, bridge engineering, Bridge fabrication, Composite Materials, Building Construction, Retrofitting, earthquake engineering

WVU Professor’s Patented System Could Save Lives and Make Cities More Resilient After Natural Disasters

West Virginia University professor Hota GangaRao and Praveen Majjigapu, a Ph.D. student in civil engineering, have developed a system that will increase the strength and endurance of structures in earthquakes, hurricanes, tornadoes and other large blasts, helping communities prevent catastrophe. The system is also beneficial for repairing historic or aging structures.

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Earthquakes, Geology, Geosciences, Faults

Geologists Use Radioactive Clock to Document Longest Earthquake Record

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Using radioactive elements trapped in crystallized, cream-colored “veins” in New Mexican rock, geologists have peered back in time more than 400,000 years to illuminate a record of earthquakes along the Loma Blanca fault in the Rio Grande rift. It is the longest record of earthquakes ever documented on a fault.

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Earth Science, Supercomputing, seismic imaging, Plate Tectonics

A Seismic Mapping Milestone

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Using advanced modeling and simulation, seismic data generated by earthquakes, and one of the world’s fastest supercomputers, a team led by Jeroen Tromp of Princeton University is creating a detailed 3-D picture of Earth’s interior. Currently, the team is focused on imaging the entire globe from the surface to the core–mantle boundary, a depth of 1,800 miles.







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