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See searches and references containing GROUND MOTION!GROUND MOTION
Movement of the Earth's surface
Ground motion is the movement of the Earth’s surface from earthquakes or explosions. Ground motion is produced by seismic waves that are generated by sudden
Ground_motion
Earthquake shaking
In seismology, strong ground motion is the strong earthquake shaking that occurs close to (less than about 50 km from) a causative fault. The strength
Strong_ground_motion
Maximum ground acceleration during an earthquake at a location
intensity measure) for earthquake engineering, The design basis earthquake ground motion (DBEGM) is often defined in terms of PGA. Unlike the Richter and moment
Peak_ground_acceleration
Earthquake in Los Angeles, California
record the aftershocks. The USGS Strong Motion Instrumentation Program ruled out technical malfunction and ground amplification effects, stating that the
1994_Northridge_earthquake
on the ground surface. Regional geology can have a large effect on the characteristics of ground motion. The site response of the ground motion may vary
Seismic_microzonation
Minor earthquakes and tremors caused by human activity
This means that ground-motion models derived from recordings of natural earthquakes, which are often more numerous in strong-motion databases than data
Induced_seismicity
Long-period ground motion (LPGM) refers to seismic waves that occur during a seismic event, like an earthquake or nuclear explosion, that has a frequency
Long-period_ground_motion
Sound generated by earthquakes
the ground vibrates, sometimes creating short-period seismic wave motion (ground motion) that reaches the air and becomes sounds (sound waves), and low
Subterranean_rumbling
Earthquake in India and Pakistan
recorded a maximum peak ground acceleration of 0.11 g. Shaking from the earthquake lasted several minutes, with stronger ground motion lasting at least 85
2001_Gujarat_earthquake
Megathrust earthquake off Japan's east coast
joules, slightly less than the 2004 Indian Ocean quake. The strong ground motion registered at the maximum of Shindo 7 on the Japan Meteorological Agency
2011 Tōhoku earthquake and tsunami
2011_Tōhoku_earthquake_and_tsunami
Earthquake off the coast of Iwate Prefecture, Japan
recorded in Hashikami, Aomori. Additionally, it generated long-period ground motion of class 3 in the southern Akita and northern Miyagi prefectures The
2026_Sanriku_earthquake
Instrument that records seismic waves by measuring ground motions
any motion detected. The relative motion between the weight (called the mass) and the frame provides a measurement of the vertical ground motion. A rotating
Seismometer
Seismic intensity scale used to quantify the degree of shaking during earthquakes
These are similar to ground motion-prediction equations for the estimation of instrumental strong-motion parameters such as peak ground acceleration. A summary
Modified Mercalli intensity scale
Modified_Mercalli_intensity_scale
Change in the position of an object
In physics, motion is the change in position of an object with respect to a reference point over a given time. Motion is mathematically described in terms
Motion
Scientific study of earthquakes and propagation of elastic waves through a planet
techniques, which are then often used to develop ground-motion prediction equations (or ground-motion models)[1] Archived 2023-06-09 at the Wayback Machine
Seismology
Earthquake in California
because they were not outfitted with instruments for recording strong ground motion; this prompted the Veterans Administration to later install seismometers
1971_San_Fernando_earthquake
Earthquake probability in a specific area and time
in a given geographic area, within a given window of time, and with ground motion intensity exceeding a given threshold. With a hazard thus estimated
Seismic_hazard
Study of the response of buildings and structures to earthquakes
from a ground motion is typically different from that which would be calculated directly from a linear dynamic analysis using that ground motion directly
Seismic_analysis
Response of a structure to oscillation
science of strong ground motion may use some values from the ground response spectrum (calculated from recordings of surface ground motion from seismographs)
Response_spectrum
US seismic bomb deployed from 1948 to 1958
through the earth into targets. The resulting underground cavity and ground motion could also undermine structures. The bomb could also be used against
T-12_Cloudmaker
Japanese earthquake measurements
equipped with "Model 95 seismic intensity meters" that measure strong ground motion. The agency provides authorities and the general public with real-time
Japan Meteorological Agency seismic intensity scale
Japan_Meteorological_Agency_seismic_intensity_scale
Modification of existing structures to make them more resistant to seismic activity
existing structures to make them more resistant to seismic activity, ground motion, or soil failure due to earthquakes. With better understanding of seismic
Seismic_retrofit
Major earthquake in Northern California
1989 – Marina District, USGS Professional Paper 1551-F, Strong Ground Motion and Ground Failures, United States Government Printing Office Dietz, L. D
1989_Loma_Prieta_earthquake
Earthquake affecting Myanmar and Thailand
significant ground motion. Resonance may have occurred in the frequency range of 1.82–2.1, affecting many low to medium-rise buildings. The horizontal ground motion
2011_Shan_earthquake
Severe off-shore earthquake near Fukushima, Japan
top floors of buildings. Class IV intensity ground motion would make standing impossible. Ground motion of this type would cause unsecured furniture
2022_Fukushima_earthquake
Large earthquake in Greece
stochastic modeling approach to compute the synthetic ground motion for the event. As a result, PGA (peak ground acceleration) values of 0.75 g at most was computed
1995 Kozani–Grevena earthquake
1995_Kozani–Grevena_earthquake
Spatial statistics function
of earthquake ground motion: Insights from the literature, data from the 2016–2017 Central Italy earthquake sequence and ground-motion simulations". Earth-Science
Variogram
Tendency of a mechanical system
constructed to take into account the oscillating frequencies of expected ground motion. Engineers designing objects that have engines must ensure that the
Mechanical_resonance
Geodesy and remote sensing technique
increase or decrease in distance from the ground pixel to the satellite, therefore only the component of the ground motion parallel to the satellite line of sight
Interferometric synthetic-aperture radar
Interferometric_synthetic-aperture_radar
Earthquake in Greece
maximum peak ground acceleration (pga) of 0.27 g in the horizontal component. Meanwhile, the pga in the vertical component was 0.368 g. Ground motion in excess
1986_Kalamata_earthquake
Earthquakes in California and Baja California
the vertical directions. The site also recorded 16 seconds of intense ground motion. Damage from the Mw 6.0 shock in Calipatria, El Centro, Heber, and Westmorland
1987 Superstition Hills earthquakes
1987_Superstition_Hills_earthquakes
Scales to describe earthquake strength
based (as typical with local scales) on the maximum amplitude of the ground motion; they agree "rather well" with the seismic moment magnitude Mwin the
Seismic_magnitude_scales
Earthquake in Japan
and shaking was felt as far away as the Kantō region. Long period ground motion (LPGM) during the earthquake reached maximum of class 4 on the JMA LPGM
2018 Hokkaido Eastern Iburi earthquake
2018_Hokkaido_Eastern_Iburi_earthquake
Magnitude 5.8 earthquake in Egypt
Fergany, Elsayed A.; Sawada, Sumio (1 January 2009). "Estimation of Ground Motion at Damaged Area During 1992 Cairo Earthquake Using Empirical Green's
1992_Cairo_earthquake
Visual art consisting of moving images
A film, movie, or motion picture is a work of visual art that simulates experiences and otherwise communicates ideas, stories, perceptions, emotions, or
Film
The Arias intensity (IA) is a measure of the strength of a ground motion. It determines the intensity of shaking by measuring the acceleration of transient
Arias_intensity
earthquake ground motion is so strong that it causes the more sensitive seismometers to go off-scale. There is an entire science of strong ground motion, that
Accelerograph
Earthquake sequence in Iran
near the rupture were damaged but not destroyed. It was evaluated that ground motion was extreme but of short duration—had it lasted longer, these weakened
1977_Bob–Tangol_earthquake
Earthquake affecting Greece
The horizontal peak ground acceleration reached 0.54 g and ground velocity peaked at 52 cm/s (20 in/s)—the strongest ground motion ever recorded in Greece
1995_Aigio_earthquake
Point on the Earth's surface that is directly above the hypocenter in an earthquake
was the first seismogram, which allowed precise timing of the first ground motion, and an accurate plot of subsequent motions. From the first seismograms
Epicenter
Bell tower in Pisa, Italy
characteristics in such a way that it does not resonate with earthquake ground motion. The same soft soil that caused the leaning and brought the tower to
Leaning_Tower_of_Pisa
Graph output by a seismograph
seismogram is a graph output by a seismograph. It is a record of the ground motion at a measuring station as a function of time. Seismograms typically
Seismogram
U.S. Geological Survey earthquake mapping and tracking system
earthquakes. According to the USGS, "ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes. These maps
ShakeMap
7.0 magnitude earthquake and tsunami affecting Turkey and Greece
subsidence on land. The earthquake achieved a peak ground acceleration (pga) of 0.27 g in Samos. Weaker ground acceleration was recorded at 0.1 g in İzmir,
2020_Aegean_Sea_earthquake
Alert system for in-progress earthquakes
communication network to detect and assess seismic activity in real time. When ground motion exceeds established thresholds, automated safety protocols are activated
Earthquake early warning system
Earthquake_early_warning_system
Earthquake in Oregon
Pacific Northwest since the Elk Lake and Goat Rocks earthquakes of 1981. Ground motion was widely felt in Oregon's Willamette Valley, the Portland metropolitan
1993_Scotts_Mills_earthquake
American seismologist
on earthquake rupture dynamics, earthquake early warning and strong ground motion. He is perhaps best known in the scientific community for his several
Thomas_H._Heaton
Process of recording the movement of objects or people
Motion capture (sometimes referred to as mocap or mo-cap, for short) is the process of recording high-resolution movement of objects or people into a computer
Motion_capture
February 2021 earthquake off the Tōhoku coast in Japan
violent ground motions, extreme long period ground motion was also recorded. The intensity of the Japan Meteorological Agency long period ground motion scale
2021_Fukushima_earthquake
Earthquake which does not produce a visible offset in the ground along the fault
related to Buried rupture earthquakes at Wikimedia Commons Differences in ground motion and fault rupture process between the surface and buried rupture earthquakes
Buried_rupture_earthquake
June 1964 earthquake in Japan
overturned. This was despite relatively low levels of ground acceleration recorded by strong motion accelerographs placed in one of these buildings. Niigata
1964_Niigata_earthquake
Geological fault likely to be the source of an earthquake sometime in the future
earthquakes as a cause. Effects of movement on an active fault include strong ground motion, surface faulting, tectonic deformation, landslides and rockfalls, liquefaction
Active_fault
Laws in physics about force and motion
Newton's laws of motion are three physical laws that describe the relationship between the motion of an object and the forces acting on it. These laws
Newton's_laws_of_motion
Earthquake in China
may have resulted in more extreme ground shaking compared to earthquakes with similar Mw values. Strong ground motion data was recorded at four accelerographs
2022_Luding_earthquake
Digital footage or animation which create the illusion of motion or rotation
Motion graphics (sometimes mograph) are pieces of animation or digital footage that create the illusion of motion or rotation, and are usually combined
Motion_graphics
interaction and b) inertial interaction. Earthquake ground motion causes soil displacement known as free-field motion. However, the foundation embedded into the
Soil-structure_interaction
multiple nonlinear dynamic analyses of a structural model under a suite of ground motion records, each scaled to several levels of seismic intensity. The scaling
Incremental_dynamic_analysis
Nuclear power plant in Japan
(nuclear power station) were remarkably undamaged given the magnitude of ground motion experienced and the duration and size of this great earthquake". More
Onagawa_Nuclear_Power_Plant
Recording device in geology
systems (MEMS) technology which generates an electrical response to ground motion through an active feedback circuit to maintain the position of a small
Geophone
Physical quantity
its factors. For modern earthquakes, moment is usually estimated from ground motion recordings of earthquakes known as seismograms. For earthquakes that
Seismic_moment
Earthquake in Portugal and Morocco
strong ground motion in SW Iberia for the 1969 February 28 (Ms = 8.0) and the 1755 November 1 (M ~ 8.5) earthquakes – II. Strong ground motion simulations"
1969_Portugal_earthquake
Valley in California
the 1994 Northridge, California, Earthquake Determined from Strong Ground Motion, Teleseismic, GPS, and Leveling Data". Bulletin of the Seismic Society
San_Fernando_Valley
Work being continuously done without an external input of energy
Perpetual motion is the motion of bodies that continues forever in an unperturbed system. A perpetual motion machine is a hypothetical machine that can
Perpetual_motion
Croatian seismologist and geophysicist
construction of a new seismograph for recording of horizontal component of ground motion]. Rad JAZU (in Croatian). Vol. 217. pp. 114–150. A. Mohorovičić; S.Mohorovičić
Andrija_Mohorovičić
Gravitational wave detector in Germany
moves the whole suspension in the opposite direction of the ground motion, so that ground motion is cancelled. The main mirrors of GEO600 are cylinders of
GEO600
identical in mass and elasticity they will tend to respond similarly to ground motion induced by earthquakes. In this case, it may be appropriate to construct
Slip_joint
Gradual loss of flux intensity through a medium
location depends on the running distance. The attenuation in the signal of ground motion intensity plays an important role in the assessment of possible strong
Attenuation
Shock wave from flying at the speed of sound
typically, community exposure to sonic boom is below 100 Pa (2 psf). Ground motion resulting from the sonic boom is rare and is well below structural damage
Sonic_boom
United States explosive test
3900 tons of TNT.) Detonation of this charge provided an airblast and ground motion environment which was used by numerous agencies to collect basic explosive
Misty_Picture
Eastern Mediterranean natural disaster
blocks, and walls collapsed inward, patterns compatible with violent ground motion rather than gradual decay. In several cases, human skeletal remains
365_Crete_earthquake
the effective period peak ground accelerations that may be generated during the maximum considered earthquake ground motion in that zone. Each zone indicates
Earthquake_zones_of_India
Device designed to reduce vibrations in structures
oscillate in various ways depending on the frequency and direction of ground motion, and the height and construction of the building. Seismic activity can
Tuned_mass_damper
Branch of seismology
factors such as local geological conditions into account. Anticipated ground motion can then be used to guide building design criteria.[citation needed]
Earthquake_forecasting
Environmental issue in California
system designed to shut it down promptly in the event of significant ground motion. In 2008 the Shoreline Fault, which passes less than a mile from the
Diablo Canyon earthquake vulnerability
Diablo_Canyon_earthquake_vulnerability
2015 US Geological Survey earthquake forecast for California
long- and near-term. Combining this with ground motion models produces estimates of the severity of ground shaking that can be expected during a given
UCERF3
Oceanic plateau in the North Atlantic Ocean
Sigbjornsson, Ragnar; Ólafsson, Simon (2004). "A Comparative Study on Strong Ground Motion in Two Volcanic Environments: Azores and Iceland" (PDF). Indian Institute
Azores_Plateau
Second most powerful earthquake in recorded history
000 square miles (260,000 km2) within Alaska. Studies of ground motion have led to a peak ground acceleration estimate of 0.14–0.18 g. The earthquake was
1964_Alaska_earthquake
American industrial company
Garrett Motion Inc., formerly Honeywell Transportation Systems and Honeywell Turbo Technologies, is an American company primarily involved in engineering
Garrett_Motion
Ancient fortress and largest adobe building in the world, Iran
were resting on inhomogeneous ground, made of rocks and earth filling. The earth filling slipped with the ground motion. The city at the foot of the castle
Arg-e_Bam
Motion to request that certain testimony be excluded
In U.S. law, a motion in limine (Latin: [ɪn ˈliːmɪnɛ], "at the start"; literally, "on the threshold") is a motion, discussed outside the presence of the
Motion_in_limine
Nausea caused by motion or perceived motion
Motion sickness occurs due to a difference between actual and expected motion. Symptoms commonly include nausea, vomiting, cold sweat, headache, dizziness
Motion_sickness
Sudden movement of the Earth's crust
or to record seismic waves close to a nucleation zone due to strong ground motion. In most cases, the rupture speed approaches, but does not exceed, the
Earthquake
eruptions. Seismometers are the instruments that are used to capture ground motion. For twenty years, two Bosch-Omori horizontal pendulum instruments were
Harvard–Adam Dziewonski Observatory
Harvard–Adam_Dziewonski_Observatory
1878 photographs by Eadweard Muybridge
The Horse in Motion is a series of cabinet cards by Eadweard Muybridge, including six cards that each show a series of six to twelve "automatic electro-photographs"
The_Horse_in_Motion
Notable college football game
the reaction of the crowd after the final pass, which registered as ground motion by a demonstration seismograph "installed on the floor" of the LSU’s
Earthquake_Game
Japanese seismologist (1893–1940)
of seismic waves, Relational expression between maximum amplitude of ground motion and number of occurrences. He also invented Silica inclinometers etc
Mishio_Ishimoto
6.9-magnitude earthquake in eastern Turkey
475 years. The earthquake rupture lasted for 6–7 seconds, with strong ground motion in Erzincan lasting 20 seconds due to seismic wave propagation. Strong
1992_Erzincan_earthquake
Situation or object that can cause harm
in a given geographic area, within a given window of time, and with ground motion intensity exceeding a given threshold. With a hazard thus estimated
Hazard
Reinforced concrete foundation that supports nuclear island structures
structures must be assured during and after the earthquake vibratory ground motion. "Building Shield Panels Going up at Vogtle Nuclear Reactor 3 site"
Nuclear_island_basemat
Intensity of ground shaking during an earthquake
1029/2023eo230160. ISSN 2324-9250. USGS ShakeMap Providing near-real-time maps of ground motion and shaking intensity following significant earthquakes.
Seismic_intensity_scales
Environmental effects on seismic waves
amplification of seismic waves in superficial geological layers. The surface ground motion may be strongly amplified if the geological conditions are unfavorable
Seismic_site_effects
Russian-American accelerator physicist
Landau damping and space-charge compensation; pioneering ground motion studies, ATL law of ground diffusion and data analysis worldwide; theory of coherent
Vladimir_Shiltsev
7.3 earthquake in the San Joaquin Valley
that smaller ground motions are present on the foot wall side of the fault. Foam rubber modelling studies confirm that the ground motion on the foot wall
1952_Kern_County_earthquake
Major seismic zone in the southern and midwestern United States
the NMSZ. By studying evidence of past quakes and closely monitoring ground motion and current earthquake activity, scientists attempt to understand their
New_Madrid_seismic_zone
Unit for measuring earthquakes
gives a closer approximation to the motion of a building or other structure in an earthquake than the peak ground acceleration value, although there is
Spectral_acceleration
Generic name for a relatively persistent vibration of the ground
and therefore easier to interpret, but method using the all three ground motion components are also developed, providing information about Rayleigh
Seismic_noise
Offset at ground-level after earthquakes
web}}: CS1 maint: multiple names: authors list (link) "Differences in ground motion and fault rupture process between the surface and buried rupture earthquakes"
Surface_rupture
Earthquake
operates a series of strong motion stations in the Imperial Valley and while the majority of stations in the array recorded ground accelerations that were
1979 Imperial Valley earthquake
1979_Imperial_Valley_earthquake
to the Plaza de Armas to display to the gathering survivors. Extreme ground motion was felt between the Choapa and Maule rivers for 500 km (310 mi) extending
1647_Santiago_earthquake
Earthquake in Southern California
California and the northern Owens Valley in July 1986. Numerous strong motion instruments recorded the event, one of which showed relatively high accelerations
1986 North Palm Springs earthquake
1986_North_Palm_Springs_earthquake
GROUND MOTION
GROUND MOTION
Boy/Male
Norse
Son of Thori.
Surname or Lastname
English
English : presumably a variant of Mount.
Boy/Male
American, British, English
Spear Defender
Boy/Male
American, Anglo, British, English
Spear Protector
Surname or Lastname
English (Devon)
English (Devon) : variant of Brand 1.
Surname or Lastname
English (chiefly Lancashire)
English (chiefly Lancashire) : probably a Middle English metathesized form of the Old French personal name Gondri, Gundric (see Gundry).
Surname or Lastname
English (chiefly West Midlands)
English (chiefly West Midlands) : nickname for a plump person, from Middle English, Old French rond, rund ‘fat’, ‘round’ (Latin rotundus).
Boy/Male
Hindu
Basil, Goddess Radha, Tulsi
Boy/Male
Norse
Son of Hrafn the Foolish.
Surname or Lastname
English (Northumberland and Durham)
English (Northumberland and Durham) : nickname for a vain or haughty man, from Middle English prod, prud ‘proud’ (late Old English prūd, from the oblique form of Old French proz).
Girl/Female
Swedish
Defender of man.
Surname or Lastname
English
English : unexplained. There are four farms so named in Warwickshire, one in Oxfordshire, and one in Worcestershire, and the surname is most probably derived from one of these.
Surname or Lastname
English
English : variant of Bond
Surname or Lastname
English
English : patronymic from Round.
Boy/Male
Norse
Growing.
Surname or Lastname
English
English : unexplained. Compare Grounds.Perhaps an Americanized form of German Grund.
Surname or Lastname
English
English : metonymic occupational name for a dealer in coarse meal, Old English grūt, Old Norse grautr ‘porridge’.
Surname or Lastname
English
English : perhaps an occupational name for a maker of bottles or cups, from Old French gourde ‘water vessel’, ‘flask’, but possibly of the same derivation as 2.French : from Old French gourd ‘heavy’, ‘dull’, ‘sluggish’, hence a nickname for a slow lumbering person.
Surname or Lastname
English
English : variant of Gold.
Surname or Lastname
English
English : from Middle English p(o)und ‘enclosure (especially for confining animals)’; a topographic name for someone who lived near an enclosure in which animals were kept, or a metonymic occupational name for an official responsible for rounding up stray animals and placing them in a pound.Probably a translation of German Pfund or the North German cognate Pund.
GROUND MOTION
GROUND MOTION
Boy/Male
Afghan, Arabic, Indian, Muslim, Sindhi
Female Version of a Pigeon; A Companions Name
Girl/Female
Hebrew
Grace.
Boy/Male
American, British, English, French, Latin
From the Place of Laurel Trees
Girl/Female
Hindu
Male
Greek
(ÎάÏκισσος) Greek name possibly derived from the word narke, NARKISSOS means "numbness; sleep." In mythology, this is the name of a vain youth who fell in love with his own reflection and eventually was turned into a kind of lily or daffodil flower known as the narkissos.Â
Boy/Male
Teutonic
Famous ruler.
Girl/Female
Hindu
Breeze
Boy/Male
Hindu, Indian, Kannada, Malayalam, Marathi, Telugu
Baby
Girl/Female
Gujarati, Hindu, Indian, Kannada, Marathi
Gold; Wheat
Male
Cornish
, Jehovah's gift (or grace).
GROUND MOTION
GROUND MOTION
GROUND MOTION
GROUND MOTION
GROUND MOTION
v. t.
To connect with the ground so as to make the earth a part of an electrical circuit.
n.
Anything round, as a circle, a globe, a ring. "The golden round" [the crown].
n.
An assembly; a group; a circle; as, a round of politicians.
a.
Built with groins; as, a groined ceiling; a groined vault.
n.
Sediment at the bottom of liquors or liquids; dregs; lees; feces; as, coffee grounds.
adv.
On all sides; around.
imp. & p. p.
of Grind
imp. & p. p.
of Ground
v. t.
To cover with a ground, as a copper plate for etching (see Ground, n., 5); or as paper or other materials with a uniform tint as a preparation for ornament.
adv. & a.
On the ground; stranded; -- a nautical term applied to a ship when its bottom lodges on the ground.
v. t.
To found; to fix or set, as on a foundation, reason, or principle; to furnish a ground for; to fix firmly.
v. t.
To lay, set, or run, on the ground.
a.
Uttered or emitted with a full tone; as, a round voice; a round note.
a.
Round.
prep.
On every side of, so as to encompass or encircle; around; about; as, the people atood round him; to go round the city; to wind a cable round a windlass.
n.
Any definite portion of the earth's surface; region; territory; country. Hence: A territory appropriated to, or resorted to, for a particular purpose; the field or place of action; as, a hunting or fishing ground; a play ground.
v. t.
To go round wholly or in part; to go about (a corner or point); as, to round a corner; to round Cape Horn.
n.
That which goes round a whole circle or company; as, a round of applause.
v. i.
To run aground; to strike the bottom and remain fixed; as, the ship grounded on the bar.