Chino Hills was the victim of a 5.7
magnitude earthquake as recently as 2008, so it's important to make sure your policy protects you against earthquakes and other natural disasters.
Portions of the pipeline will also cross an active seismic zone that had a 4.3
magnitude earthquake as recently as 2002.
Not exact matches
Voice communication technology may be shot for a while after a major event such
as a
magnitude 9.0
earthquake followed by tsunami.
In the days and weeks ahead, huge numbers of Japanese will be turning to their country's religious traditions
as they mourn the thousands of dead and try to muster the strength and resources to rebuild amid the massive destruction wrought by last Friday's 9.0
magnitude earthquake and resulting tsunami.
Bronx viewers will be able to check in on the progress being made in Puerto Rico and Mexico
as relief pours in to Puerto Rico after Hurricane Maria and into Mexico after a 7.1
magnitude earthquake.
The
magnitude 8.2
earthquake is the largest
earthquake detected by the alert system, known
as SASMEX, since it began operations in 1993.
By the time the 2004
magnitude - 6.0 Parkfield
earthquake — the most closely monitored quake of all time — struck the central San Andreas fault without so much
as a hint of a precursor (Science, 8 October 2004, p. 206), most researchers had abandoned attempts at precise prediction.
No one really understood how the loose landfill would react to major
earthquakes until 1985, when a
magnitude - 8 quake struck the coast along the same plate boundary
as Tuesday's quake.
As they stood in storage in her basement lab, a
magnitude 4.8
earthquake jolted the town of Prague, about 60 miles east of Oklahoma City.
The devastating tsunami that was generated in the Indian Ocean in 2004 after a
magnitude 9
earthquake has been recorded
as one of the deadliest natural disasters in recent history after it caused over 230,000 deaths in 14 countries.
«There had been just a handful of detailed simulations of a
magnitude - 9 Cascadia
earthquake, and it was hard to know if they were showing the full range,» said Erin Wirth, who led the project
as a UW postdoctoral researcher in Earth and space sciences.
This tectonic time bomb is alarmingly similar to Tohoku, capable of generating a megathrust
earthquake at or above
magnitude 9, and about
as close to Portland, Seattle, and Vancouver
as the Tohoku fault is to Japan's coast.
A
magnitude - 9.0
earthquake would likely give way along the whole north - south extent of the subduction zone, but it's not well known how far east the shake - producing area would extend, approaching the area beneath major cities such
as Seattle and Portland.
According to Beth Buczynski of the CrispGreen Web site, researchers have calculated that the January 2010
magnitude 7.0
earthquake that killed upwards of 220,000 people in Haiti released
as much energy
as 31 atomic bombs like the one the U.S. dropped on Hiroshima in 1945.
The researchers suggest that the Colorado
earthquake may have been
as large
as magnitude 6.
«Since 2009 rates in some areas, such
as Oklahoma, have increased by more than an order of
magnitude,» the USGS said in September, referring to the rates of induced, or human - caused,
earthquakes.
The
magnitude 7.9 Denali
earthquake started innocuously
as a moderate shock on a previously unknown thrust fault, so named because one side of the deep fault thrusts over the other.
The new study shows that the frequency and
magnitude of large
earthquakes in the densely populated regions close to mountain chains — such
as the Alps, Apennines, Himalaya and Zagros — depend on the collision rate of the smaller tectonic plates.
New Madrid - area faults produced
earthquakes as large
as 7 or 8 -
magnitude in the early 1800s and have produced smaller quakes since then.
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.
Seismic waves unleashed during Wednesday's
magnitude 8.3
earthquake in Chile could have triggered aftershocks
as far
as 1000 kilometres away.
The severity of
earthquake shaking is fundamentally controlled by three factors:
earthquake magnitude, the attenuation of energy
as waves move through the crust and the modification of shaking due to the local geological structure.
As Charles Richter, the seismologist who developed the famous
magnitude scale for
earthquakes, wrote in 1958, «such rotations are negligible.»
More than 87,000 people were killed or went missing
as a result of the 2008
magnitude 7.9 Wenchuan
earthquake in China's Sichuan province, the largest quake to hit China since 1950.
At a demonstration project in Japan, even a
magnitude 6.8
earthquake didn't shake injected CO2 loose from a deep saline aquifer; the wellheads did not so much
as leak.
But studies such
as this provide a way to better characterize
earthquakes in advance in terms of location,
magnitude and rupture progression, and therefore allow a better assessment of damage risk.»
This map shows the California Borderland and its major tectonic features,
as well
as the locations of
earthquakes greater than
Magnitude 5.5.
The initial warning relied on preliminary seismic data that registered the
earthquake as only
magnitude 7.9, but it can take tens of minutes after the initial detection for long - period seismic waves to provide a fuller picture of the
earthquake's energy.
It looked
as if an
earthquake with a
magnitude of 5.2 had just happened.
The
earthquake — estimated at
magnitude 9.0 on the Richter scale — occurred in a total area much smaller than previous large
earthquakes, such
as the 8.8 Chilean
earthquake last year, arguing that the slippage was much greater for the Japan quake, one of the four most powerful
earthquakes on record.
In some instances, such
as the
earthquake that shook Maryland this past July, the maps have helped scientists correct their assessments of an
earthquake's
magnitude and epicenter.
For the Hayward fault simulations, the authors show that GPS data combined with a technology called SBAS (satellite - based augmentation system) could be used to issue warnings five seconds before strong seismic waves from a
magnitude 7
earthquake reached major population centers such
as San Francisco and San Jose.
The HiQuake researchers were initially surprised to find that such large
magnitude earthquakes were proposed
as induced, Wilson said, «but most of the stress released in these cases is of natural tectonic origin.
The
magnitude 8
earthquake that occurred this past February along the New Guinea Trench, about 45 miles north of Biak Island in the western Pacific, came
as a complete surprise to Biak inhabitants and geologists alike.
«
As horrific as this was, the situation could have been far worse for an earthquake of this magnitude.&raqu
As horrific
as this was, the situation could have been far worse for an earthquake of this magnitude.&raqu
as this was, the situation could have been far worse for an
earthquake of this
magnitude.»
But
as Resnikoff pointed out, many of the radiation sensors are located on the nuclear plant's site and may well have been damaged during or since the March 11
magnitude 9.0
earthquake.
ShakeAlert is modeled on successful systems in Mexico, China and Italy
as well
as one that gave 52 million Japanese citizens precious seconds to prepare for the 2011
magnitude 9.0 Tohoku
earthquake.
Once the P waves register on a bank of 400 seismometers around the state that are maintained by ShakeAlert's partner institutions, the raw data is instantly transmitted to a suite of central software that processes it using three algorithmic calculations: The first, known
as ElarmS, collects data from multiple seismometers and calculates the location and
magnitude of the
earthquake.
The
earthquake was later confirmed to be of
magnitude 6.3 on the Richter scale — less intense than the one that occurred on September of the previous year — and the same intensity
as the one that followed this past June.
As if to underscore the new findings, central Oklahoma experienced a series of
earthquakes last week, including a
magnitude 4.2 temblor Wednesday night (August 2) that knocked out power in Edmond, near Oklahoma City.
These reactors could face extraordinary challenges, such
as the recent twin blows of a
magnitude 9.0
earthquake, which knocked out connections to the local power grid, followed by a wall of water that destroyed the fuel tanks for backup diesel generators and flooded critical electrical equipment, crippling the boiling - water reactors at Fukushima Daiichi in Japan.
The after - effects of this volcanic outburst are still being felt today,
as earthquakes like the 5.8
magnitude quake centered near Mineral, Va. in 2011 still rumble through the faults weakened by the volcanoes.
A high -
magnitude earthquake in Japan, one notion goes, might redistribute stress in Earth's crust, subsequently triggering another temblor in the following months or years — a quake that could even strike
as far away
as the western shores of the U.S..
But given what we know about how big
earthquakes are, while it's still possible to have a huge 9.0
magnitude earthquake, it's more likely that it'll be a smaller
earthquake, still big, significant over 6.7
magnitude, almost certain to happen by 2038; but one thing [it won't do] is to reshape California's coast; it's not likely to [reshape] California, because it won't be
as bad, I think,
as people have anticipated.
Research has shown that the faults in the Ventura basin in Southern California are capable of generating
earthquakes of
magnitude 7 or greater
as well
as significant local tsunamis.
That process of subduction triggers the largest
earthquakes in the world, such
as the
magnitude - 9.5 Chilean quake in 1960 and the
magnitude - 9.1 Sumatran quake in 2004.
Few experts had thought that the seismic zone near Sendai, Japan, was capable of producing
earthquakes anywhere near
as powerful
as the
magnitude - 9.0 shock on 11 March, the largest on record in Japan.
In the past few centuries, the subduction zone off the coast of Sendai has generated
earthquakes of up to
magnitude 8 or so, but nothing
as powerful
as a 9, which releases 30 times more energy.
The power of hurricanes Irma and Harvey
as well
as the 8.1
magnitude earthquake in Mexico demonstrate the critical need for well - planned readiness, response and recovery efforts.
The probability of an
earthquake occurring exponentially decreases
as its
magnitude value increases.