Thursday, June 21, 2018
Earthquake

Earthquake

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The Nazca Plate is creeping under the South American Plate.
Earthquake

Water pressure a critical factor for mega-earthquakes

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A recent study led by UMass Amherst looked at risk in southeast Japan after the devastating 2011 quake and tsunami.
Earthquake

Modeling future earthquake and tsunami risk in southeast Japan

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Seismogram
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Sediment core from sluice pond contains evidence for 1755 New England...

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The Stanton Landslide (center middle distance) is over 800 meters across and has left an obvious scar in the hillside above the deposit.
Earthquake

Landslide modeling after Kaikoura Quake provides data to first responders

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A map summarizing the new REEF measure of seismic energy for events around the Pacific Ring of Fire shows the regional patterns indicating earthquake rupture character is affected by persistent features that differ from region to region.
Earthquake

Seismologists introduce new measure of earthquake ruptures

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Garnet.
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The secrets of garnet reveal source of water to fuel powerful...

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Map shows earthquake epicenters (surrounded in light red) offshore where the Cocos and North American tectonic plates meet. The newer fault zone is inland, the black lines mark the changing trajectories of abyssal hills atop the descending Cocos Plate. Blue-shaded areas in this zone are where subduction angles remain steep. The pink area, below Mexico City, is a transition zone where another earthquake could occur. The 2017, 1999 and 1980 quake epicenters are in a red-shaded zone to the southeast that is considered to be at most risk for quakes.
Earthquake

Mexico’s 2017 earthquake emerged from a growing risk zone

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On its current expedition, the drillship JOIDES Resolution is working off the coast of New Zealand.
Earthquake

Deep-sea observatories to offer new view of seabed earthquakes

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paleoseismological record of the Liquiñe-Ofqui Fault Zone (LOFZ)
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Researchers discover evidence of earthquakes that affected Chilean coast in the...

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Earthquake

Human-made earthquake risk reduced if fracking is 895m from faults

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Earthquake

Earthquakes follow wastewater disposal patterns in southern Kansas

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This schematic illustration of the 2014 Iquique earthquake off the coast of Chile (magnitude 8.1) shows the locations of foreshocks (blue) and aftershocks (red) relative to the area of large slip on the fault (contour lines).
Earthquake

Analysis of major earthquakes supports stress reduction assumptions

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Earthquake simulation
Earthquake

Hayward fault earthquake simulations increase fidelity of ground motions

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This new map of Earth’s stress field in the Permian Basin of West Texas and southeastern New Mexico could help energy companies avoid causing earthquakes associated with oil extraction. Credit: Jens-Erik Lund Snee
Earthquake

Seismic stress map profiles induced earthquake risk for West Texas, New...

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Pipeline monument, Cushing, Oklahoma.
Earthquake

Oklahoma’s earthquakes strongly linked to wastewater injection depth

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Researchers taking sediment cores on Chilean lake Calafquén (with Villarrica Volcano in the background).
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Giant earthquakes: Not as random as thought

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Moon
Earthquake

Do moon phases produce big earthquakes?

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A UAlberta researcher is the first to link the likelihood of earthquakes caused by hydraulic fracturing to the location of well pads and volume of liquid used in the process.
Earthquake

Fox Creek earthquakes linked to completion volume and location of hydraulic...

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Seismogram
Earthquake

Rates of great earthquakes not affected by moon phases, day of...

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Earthquake

Earthquakes as a driver for the deep-ocean carbon cycle

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