Sentences with phrase «earthquakes along faults»

In their report released in 2016, the Working Group on Utah Earthquake Probabilities, established by the Utah Geological Survey and the U.S. Geological Survey, presented their first forecast for large earthquakes along faults in the Wasatch region, running roughly from Nephi, Utah north to the Utah - Idaho border.

Not exact matches

An apocalyptically - worded story in the latest issue of the New Yorker detailed the devastation that might result from a high - magnitude earthquake along the Cascadia subduction zone, a fault line that runs from Cape Mendocino, Calif., to Vancouver Island, Canada.
of atomic power plants along earthquake fault lines have all come true.
NOVEMBER 1 - 3 Bay Area Science Festival More than 60 ongoing events, including hikes along earthquake faults and a session at the California Academy of Sciences on the neuroscience of zombies.
This area is still prone to earthquakes, most notably along the Alpine fault.
Large earthquakes happen mostly along faults where tectonic plates meet as they move over the planet's surface.
The Tohoku - oki earthquake occurred along a thin, clay - rich fault zone in the basal strata of the subducting plate.
This article by Kristin Morell, Christine Regalla, Lucinda J. Leonard, and Vic Levson presents evidence for earthquake surface ruptures along the Leech River fault, a prominent crustal fault near Victoria, British Columbia.
The largest earthquakes of approximately M 8.0 are exclusively observed along the older eastern section of the fault zone, says Bohnhoff.
The mine runs along a fault line, leading Elrick to surmise that an earthquake dropped one side of the fault and caused flooding.
The seismologists wanted to be sure these faults had not been producing this kind of tiny earthquake all along.
The findings, reported April 18 in the Bulletin of the Seismological Society of America (BSSA), suggest that there can be a range of afterslip durations along faults, making it more challenging to predict how post-earthquake movements might damage nearby infrastructure for years after a major earthquake.
Hetényi and his team found that an earthquake had occurred along one fault between 1642 and 1836, and they associated this event with the 1714 earthquake.
Afterslip refers to the aseismic movement or «creeping» that takes place along a fault, including the trace of its surface rupture, after an earthquake.
With the data, they constructed a dynamic picture of the earthquake, which was a rupture of a 20 - by -140-kilometer patch along the Main Himalayan Thrust (MHT)-- a 2200 - kilometer - long fault zone that runs near the southern border of Tibet.
Friction along the fault locks the plates together until enough strain builds up to cause the plates to slip, unleashing an earthquake.
Until then, scientists had assumed the Haiti earthquake involved a simple shift along the Enriquillo - Plantain Garden fault zone, a well - defined, 300 - mile boundary between the North American and Caribbean plates.
Troy, Jericho, Knossos, Mycenae, Armageddon, Teotihuacán and Petra, he argues, were all located along fault lines or in regions prone to earthquakes.
Most earthquakes are said to occur at subduction zones or along faults in tectonic plates.
«How friction evolves during an earthquake: By simulating quakes in a lab, engineers study the way that friction changes along a fault during a seismic event.»
«Along with evidence of frictional obstruction to subduction,» Tsuji says, «the fault structure appears to have also impacted earthquake location and behavior.
In this study, Tramelli and her colleagues used the recorded waveforms from the 2012 Emilia seismic sequence to simulate a seismic sequence that triggered end - to - end earthquakes along adjacent fault patches, observing the affect of continuous ruptures on the resulting ground motion and, consequently, its impact on critical structures, such as dams, power plants, hospitals and bridges.
The drilling itself does not cause earthquakes, but the steam removal and water return can do so, by producing new instability along fault or fracture lines.
Earthquake researchers have now identified a 30 kilometers long and ten kilometers deep area along the North Anatolian fault zone just south of Istanbul that could be the starting point for a strong eEarthquake researchers have now identified a 30 kilometers long and ten kilometers deep area along the North Anatolian fault zone just south of Istanbul that could be the starting point for a strong earthquakeearthquake.
By combining older seafloor data and digital seismic data from earthquakes along with 4,500 kilometers (2,796 miles) of new seafloor depth measurements, or bathymetry, collected in 2010, Legg and his colleagues were able to take a closer look at the structure of two of the larger seafloor faults in the Borderland: the Santa Cruz - Catalina Ridge Fault and the Ferrelo Fault.
So far, scientists believe that larger earthquakes are unlikely to occur following tremors or earthquakes below a Richter scale of 2 that are caused by small vibrations or slow fault movements such as those observed in the area of Parkfield along the San Andreas Fault in California, USA.
EOS scientists have earlier pointed out a large earthquake may occur any time in this area southwest of Padang — the only place along a large fault where a big earthquake has not occurred in the past two centuries.
The record indicates that 11 tsunamis were generated during that period by earthquakes along the Sunda Megathrust, the 3,300 - mile - long fault running from Myanmar to Sumatra in the Indian Ocean.
Were shallow earthquakes to slide by the grinding and crunching of rock, as geologists once imagined, the process would generate enough heat so that major faults like the San Andreas would be a little warmer along their length than they would be otherwise.
But increasing fluid pressure at depth reduces the friction along the fault, sometimes triggering an earthquake.
When I finally noticed that Kilauea's south flank had shifted 10 centimeters along an underground fault, I also saw that this movement had taken nearly 36 hours — a turtle's pace for an earthquake.
Most typical earthquakes happen along faults that have built - in brakes: motion stops once the stress is relieved between the two chunks of earth that are trying to move past each other.
In the U.S. Pacific Northwest, investigators have observed many silent earthquakes along the enormous Cascadia fault zone between the North American plate and the subducting Juan de Fuca plate.
We hope that this new finding will promote the mapping and discovery of such faults along active subduction margins and will also help explain the variability in the recurrence of great - earthquakes encountered on many subductions globally.»
Slow slip events are similar to earthquakes, as they involve more rapid than normal movement between two pieces of Earth's crust along a fault.
The researchers analyzed 20 years of GPS data along the fault, and determined that the next large earthquake to strike the region will likely occur along a seismic gap beneath the Sea of Marmara, some five miles west of Istanbul.
Researchers gained new insight into how earthquakes can interact from a magnitude 7.9 quake along Alaska's Denali Fault in November 2002 that involved a chain reaction of fault shaking.
GPS is being used to create a detailed and comprehensive portrait of nearly all Earth's dynamic surfaces, including the zones where tectonic plates meet, the slippage along earthquake faults, and the movement of glaciers.
They found that a large earthquake along the northern section of the San Jacinto fault could cascade down to the Sierra Madre - Cucamonga system, with the potential to cause a 7.5 magnitude earthquake on the edge of the Los Angeles metropolitan region.
Between 1939 and 1999 Turkey's major earthquakes were marching westward along the north Anatolian fault, prompting fears that Istanbul — which lies near the fault — would eventually shake.
The researchers initially set out to better understand the background, or default, earthquake activity along the 14 - mile - long Loma Blanca fault, south of Albuquerque.
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.
«Our study describes one potential earthquake and tsunami scenario along the Pitas Point and Red Mountain faults, and is designed to illustrate the usefulness of rupture modeling in determining tsunami inundation,» Ryan cautioned.
A magnitude 7.7 earthquake generated by the researchers» models along the Pitas Point and Red Mountain faults results in the following scenario:
Since the 1960s, geologists have recognized that fluid injection can induce earthquakes by raising the hydraulic pressure along a fault, pushing the two sides apart to let the crust slide along it.
Their goal was to read all the vital signs of an earthquake — not just fault motions but also the precise pressures, temperatures, strains, and chemical compositions of minerals in the nucleation zone, along with an analysis of rocks and fluids extracted through the drill hole.
To make matters downright scary, a major earthquake along one of the fault lines that crisscross the region could wipe out freshwater supplies to millions of people.
There are areas along the fault in western Nepal that are known to be locked and have not experienced a major earthquake since a big one (larger than magnitude 8.5) in 1505.
In the first study, the researchers show that the earthquake occurred on the Main Himalayan Thrust (MHT), the main megathrust fault along which northern India is pushing beneath Eurasia at a rate of about two centimeters per year, driving the Himalayas upward.
Elsewhere in the world, earthquakes tend to occur along active faults, like the San Andreas Fault in California, where two tectonic plates meet and push, pull, or slide against one another.
a b c d e f g h i j k l m n o p q r s t u v w x y z