Tuesday, October 22, 2019
Earthquake

Earthquake

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Jesse leaning against the fresh fault scarp of the Kekerengu fault, next to some of the curved slickenlines. Credit: Professor Tim Little
Earthquake

Rock scratches hint at future quakes

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Marine Denolle (right) and her team, including Jiuxun Yin (left) and Brad Lipovsky, created numerical models to predict an earthquake’s final magnitude 10 to 15 seconds faster than today’s best algorithms. Credit: Stephanie Mitchell/Harvard Staff Photographer
Earthquake

Predicting the strength of earthquakes

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Wells drilled into Oklahoma's Arbuckle formation inject wastewater (1) which then disperses through the rock. As it spreads, the wastewater can trigger earthquakes in fault zones (2), but their size depends on the amount injected and the rock's properties. The new model can predict quake probabilities by the quantity of wastewater injected.
Earthquake

Predicting earthquake hazards from wastewater injection

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Earthquakes run in packs, but you can hear them coming, as noted in research from Los Alamos National Laboratory and California Institute of Technology.
Earthquake

Faint foreshocks foretell California quakes

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Aerial view of the hydraulic fracturing rig at Cuadrilla’s Preston New Road site. Credit: Matthew Hampson, Cuadrilla Resources Ltd
Earthquake

Predicting seismic activity at fracking sites to prevent earthquakes

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U of T's Jeremy Rimando sets up Differential Global Positioning System (DGPS) survey equipment to measure the amount of displacement on the Las Chacras Fault in San Juan, Argentina.
Earthquake

Research could protect cities in active earthquake zones

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Along the North Anatolian Fault, Anatolia and the Eurasian Earth Plate push past each other. Image reproduced from the GEBCO world map 2014, www.gebco.net
Earthquake

Istanbul: Seafloor study proves earthquake risk for the first time

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earthquake in Southern California
Earthquake

11% chance of another huge earthquake in Southern California, scientists say

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The velocity model showing a map view of the MHT and a cross-section passing through the Gorkha earthquake
Earthquake

Study reveals key factor in Himalayan earthquake rupture

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Scientists and shipboard crew await the arrival of a new sediment core onboard research vessel RV Sonne in 2016.
Earthquake

Contradictory effect of earthquakes on submarine slopes

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Earthquake damage in the centre of Amatrice, Italy, in 2016 (
Earthquake

Stresses from past earthquakes explain location of seismic events

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Zipingpu Reservoir
Earthquake

Zipingpu Reservoir reveals climate-tectonics interplay around 2008 Wenchuan earthquake

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Oarfish specimen
Earthquake

Deep-Sea Fish Do Not Signal Upcoming Earthquake in Japan

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two largest earthquakes
Earthquake

Earthquakes that talk to each other

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In four sample events (colored lines), the acceleration of peak ground displacement (measurements shown at right) just five seconds later suggests whether a megaquake, such as a magnitude 9 (red X) or a sub-7 magnitude quake is in progress. Real time monitoring, the researchers say, could enhance earthquake early warning.
Earthquake

Scientists find telling early moment that indicates a coming megaquake

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Conventional geothermal resources have been generating commercial power for decades in places where heat and water from burble up through naturally permeable rock.
Earthquake

Solving geothermal energy’s earthquake problem

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State Highway 287 slumped into Hebgen Lake; damage from the August 1959 Hebgen Lake (Montana-Yellowstone) earthquake.
Earthquake

Aftershocks of 1959 earthquake rocked Yellowstone in 2017-18

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USGS map highlights earthquake risk zones. Blue boxes indicate areas of high activity of human-caused earthquake due to deep bore fluid injection.
Earthquake

Earthquakes are triggered well beyond fluid injection zones

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Earthquake mangled track
Earthquake

Scientists take a ‘metamaterials’ approach to earthquake damage

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Image showing landslide failures around Orcas Island. The red line marks the newly discovered Skipjack fault zone. Credit: H. Gary Greene
Earthquake

Salish seafloor mapping identifies earthquake and tsunami risks

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