Sentences with phrase «grounded by an earthquake»

Not exact matches

Because of that week, not only was my own life changed profoundly through friendships and awakenings, but I'm proud to say that we — and I mean all of us because you have all walked this road with our family — we have partnered with incredible leaders to build a school for kids in earthquake ground zero Port - au - Prince (staffed and run by Haitians), supported a home - based village for trafficked children near the border, built a preschool for early support for these children, supported schooling and food programs in neglected villages decimated by the cholera outbreak, supported pregnant and nursing women with a fantastic maternity centre, and so much more.

Though she will need another excavation season to put the story together, she hopes to ultimately understand how fire moved through the tel and why the Canaanite world burned to the ground — by earthquake or invasion.

The research effort began by establishing which factors most influence the pattern of ground shaking during a Cascadia earthquake.

Earthquake shaking is caused by a mixture of seismic waves moving through the ground at different frequencies.

Earthquakes in the central U.S. have increased over the past 10 years due to the expansion of unconventional oil and gas operations that discard wastewater by injecting it into the ground.

Alerts issued by earthquake early warning systems, called EEWs, are based on several parameters: the depth and location of the quake's origin, its estimated magnitude and the ground properties, such as the types of soil and rock that seismic waves would travel through.

The team spent more than a year collecting data from phones placed on a «shake table,» a device that simulates the ground motions produced by an earthquake, and comparing them with data from everyday movements.

Instead, the proliferation of hundreds of small earthquakes in that part of the U.S. is thought to be caused primarily by massive amounts of wastewater injected back into the ground after oil and gas recovery.

Most Oklahoma earthquakes since 2009 are thought to have been triggered by wastewater produced by oil and gas drilling that has been injected back into the ground.

The lateral shaking may have been amplified by a phenomenon noted during the Mexico City earthquake in 1985, in which seismic waves bounce off firmer rock below, and intensify the shaking at ground level.

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.

Many people understand the damage that can be caused to structures, roads, bridges and utilities by ground shaking in these long - lasting types of earthquakes, such as the one that's anticipated on the Cascadia Subduction Zone between northern California and British Columbia.

Earthquakes caused by human activities, such as injecting pressurized wastewater from drilling back into the ground, have become almost 10 times more common than they were 20 years ago.

As detailed in an accompanying guide, NIST Disaster and Failure Studies Data Repository: The Chile Earthquake Database — Ground Motion and Building Performance Data from the 2010 Chile Earthquake — User Manual (NIST GCR 15 - 1008), the new collection contains tabular data on ground motion, damage and structural properties, as well as nearly 25,000 photographs and drawings, for 273 buildings and structures impacted by the 2010 Maule, Chile, quake, and for comparison, their response to the 1985 quake centered offshore of Valparaíso, Chile, 370 kilometers (230 miles) to the Ground Motion and Building Performance Data from the 2010 Chile Earthquake — User Manual (NIST GCR 15 - 1008), the new collection contains tabular data on ground motion, damage and structural properties, as well as nearly 25,000 photographs and drawings, for 273 buildings and structures impacted by the 2010 Maule, Chile, quake, and for comparison, their response to the 1985 quake centered offshore of Valparaíso, Chile, 370 kilometers (230 miles) to the ground motion, damage and structural properties, as well as nearly 25,000 photographs and drawings, for 273 buildings and structures impacted by the 2010 Maule, Chile, quake, and for comparison, their response to the 1985 quake centered offshore of Valparaíso, Chile, 370 kilometers (230 miles) to the north.

In places like California, where quakes are set off by well - understood forces that cause tectonic plates to grind past each other, seismologists can invoke centuries of earthquake statistics.

Scientists rely on the public's reporting of ground shaking to characterize the intensity of ground motion produced by an earthquake.

In a new study, Virginia Tech researchers have found that efforts to curb earthquakes triggered by the injection of oilfield wastewater into the ground in Oklahoma are not targeting the most dangerous tremblers, and that a larger reduction in injection volumes is needed.

Using data from the GPS stations, an accelerometer that measures ground motion in Kathmandu, data from seismological stations around the world, and radar images collected by orbiting satellites, an international team of scientists led by Caltech has pieced together the first complete account of what physically happened during the Gorkha earthquake — a picture that explains how the large earthquake wound up leaving the majority of low - story buildings unscathed while devastating some treasured taller structures.

Ground shaking: Ground shaking is both a hazard created by earthquakes and the trigger for other hazards such as liquefaction and landslides.

seismic wave An energy wave traveling through the ground produced by an earthquake or some other means.

«The devastation caused by an earthquake of magnitude 6.4, can only be attributed to inapropriate building design or the reaction of the ground to the seismic waves.

Michel and colleagues took advantage of the wealth of geophysical data that have been collected in this region, using a catalog of earthquakes that have occurred in the area and models of the fault slip rate inferred from surface deformation given by Global Positioning System (GPS) and satellite observations of ground changes.

The early warning module, called G - FAST, uses ground motion data measured by Global Navigation Satellite Systems (GNSS) to estimate the magnitude and epicenter for large earthquakes — those magnitude 8 and greater.

«It got slightly less ground shaking [than Sluice Pond] in 1755, but it might have been affected by a 1638 earthquake in southern New Hampshire,» Monecke explained.

Though it survived being rocked by explosive shipwrecks and earthquakes, including «the Big One» in 1906, the Cliff House has twice burned to the ground, each time being re-built on the same site in a style to fit the whim of its then owner.

We still require seismometers on the ground to detect and report earthquakes caused by magma moving beneath the volcano, but seismometers are too expensive to deploy and maintain everywhere.

The foreign kingdom Topius has lately been ridden by never - ending earthquakes; cracks in the ground spew out toxic fumes and the cherry blossoms have all been shaken off their branches.

Addendum: California Watch, a project of the Center for Investigative Reporting, has published On Shaky Ground, a detailed and sweeping report pointing to longstanding lapses by the state agency responsible for keeping schools safe in earthquakes.

They said it was «very likely» that several thousand weak to moderate earthquakes in recent years were triggered by deep - earth injection of water extracted from the ground as thousands of wells have been drilled into shale oil and gas deposits.