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Slow earthquakes could reveal how tsunamis start
Slow-slip earthquakes may occur at somewhat regular intervals and could be dissipating some of the energy stored in subduction zones where tectonic plates meet, new research suggests. The findings...
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Earthquakes can cause distant undersea landslides months later
Large earthquakes can cause underwater landslides thousands of miles away, weeks or months after the quake occurs, new research suggests. Researchers analyzing data from ocean bottom seismometers off...
View ArticleEarthquakes we cause are just as strong as nature’s
New research suggests naturally occurring earthquakes and those caused by unconventional oil and gas recovery in the central US share the same shaking potential and can thus cause similar damage....
View Article‘Deep tremors’ could warn us about earthquakes
Deep tremors, a type of “slow earthquake” that releases energy over a period of hours to months, may lead to regular earthquakes, researchers report. The finding could help seismologists better...
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How jiggling underground cables could monitor earthquakes
Researchers hope to turn the miles and miles of optical fibers already buried under California’s San Francisco Bay Area into an array of earthquake-detecting sensors. Optical fibers are thin strands of...
View ArticleThis combo may cause odd patches on Earth’s core
Mysterious patches on Earth’s core that dampen seismic waves could be the result of ancient seawater chemically reacting with iron under extreme conditions. These thin patches of dense rock have...
View ArticleMini-tremors at fracking sites may predict big earthquakes
Geoscientists have come up with a way to detect thousands of faint, previously missed earthquakes triggered by hydraulic fracturing, or “fracking.” The technique can be used to monitor seismic...
View ArticleDirt from ocean floor could boost quake prediction
Ocean floor sediment could offer a way to better predict future undersea earthquakes, new research suggests. Geologist Michael Strasser, who until 2015 was an assistant professor for sediment dynamics...
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Map could prevent earthquakes from Texas fracking
A detailed map of the stresses that act in the earth throughout the Permian Basin in West Texas and southeastern New Mexico highlights areas of the oil-rich region that could be at greater risk for...
View ArticleModel predicts fewer human-made earthquakes in these states
A new model forecasts a drop in man-made earthquakes in Oklahoma and Kansas through 2020. Earthquakes in Oklahoma and Kansas had been on the rise due to injection of wastewater—a byproduct of oil and...
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Sunken ‘beaches’ offer vision of Catalina’s undersea future
While most islands in southern California are inching upward, Santa Catalina Island is sinking, according to a new study. One of the most striking features of Catalina, southwest of Los Angeles, is an...
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Major earthquakes could still devastate Nepal
An earthquake with a magnitude of 7.8 struck Nepal in 2015, and the country may still face the threat of much stronger quake, according to new research. In April 2015, a powerful tremor struck...
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New tsunami warnings could get more people to safety
A new method for local early tsunami warnings could give at-risk residents more accurate predictions about wave speed and height. On a Friday afternoon in the spring of 2011, the Tōhoku-Oki earthquake...
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Hundreds of thousands of ‘ice quakes’ shake Antarctica nightly
When scientists placed seismometers on the McMurdo Ice Shelf, they recorded hundreds of thousands of tiny “ice quakes” that pools of partially melted ice expanding and freezing at night appear to...
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Methane bubbles hint at offshore quakes to come
Methane bubbles that squeeze out of sediment and rise from the seafloor off the coast of Washington provide important clues to what will happen during a major offshore earthquake, according to a new...
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What do quakes on Mars feel like?
Fifty years after Apollo 11 astronauts put the first seismometer on the surface of the Moon, data from NASA InSight’s seismic experiment gives researchers the chance to compare marsquakes to moon and...
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Melting rock models shed light on earthquake origins
A new model can predict the early mechanical behaviors and origins of an earthquake in multiple types of rock, researchers report. The model provides new insights into unobservable phenomena that take...
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‘Marsquakes’ rock the red planet almost every day
On average, there is about one “marsquake” on Mars per day, researchers report. On November 26 2018, the NASA InSight lander successfully set down on Mars in the Elysium Planitia region. Seventy...
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Colliding rocks in fault zones may cause earthquake vibrations
Colliding rocks inside a fault zone as an earthquake happens may be the main generators of high-frequency vibrations, according to a new study. Earthquakes produce seismic waves with a range of...
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Fiber optic internet cables could monitor earthquakes
A study provides new evidence that the same optical fibers that deliver high-speed internet and HD video to our homes could one day double as earthquake monitors. “Fiber-optic cables are the backbone...
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