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 e
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
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.