• Peak ground acceleration (PGA) is equal to the maximum ground acceleration that occurred during earthquake shaking at a location. PGA is equal to the amplitude...
    26 KB (2,160 words) - 01:39, 22 January 2024
  • Thumbnail for Japan Meteorological Agency seismic intensity scale
    the value, the more intense the shaking. Values are derived from peak ground acceleration and duration of the shaking, which are themselves influenced by...
    36 KB (2,914 words) - 06:15, 4 February 2024
  • Thumbnail for Earthquake Network
    stage: released. The accelerations recorded by a dense smartphone network can be used to produce high resolution peak ground acceleration maps for the detected...
    9 KB (833 words) - 18:49, 20 February 2024
  • Thumbnail for G-force
    Euthanasia Coaster Gravitational acceleration Gravitational interaction Hypergravity Load factor (aeronautics) Peak ground acceleration – g-force of earthquakes...
    49 KB (5,230 words) - 17:51, 27 March 2024
  • estimating the peak ground acceleration of the shock based on visually evaluating precarious rock formations and other indicators. Ground disturbances that...
    31 KB (3,524 words) - 16:43, 21 December 2023
  • Thumbnail for 1994 Northridge earthquake
    The quake had a duration of approximately 10–20 seconds, and its peak ground acceleration of 1.82 g was the highest ever instrumentally recorded in an urban...
    46 KB (4,527 words) - 23:59, 28 January 2024
  • similar to ground motion-prediction equations for the estimation of instrumental strong-motion parameters such as peak ground acceleration. A summary...
    24 KB (2,005 words) - 21:22, 27 March 2024
  • Thumbnail for Seismic hazard
    structures included. Some maps released by the USGS are shown with peak ground acceleration with a 10% probability of exceedance in 50 years, measured in Metre...
    10 KB (1,160 words) - 23:07, 6 March 2024
  • Thumbnail for Spectral acceleration
    motion of a building or other structure in an earthquake than the peak ground acceleration value, although there is normally a correlation between [short...
    3 KB (232 words) - 13:23, 22 October 2022
  • Thumbnail for Seismic classification in Italy
    Italian territory is characterized by a precise ground acceleration value (Peak Ground Acceleration) as a function of a return time (ie a probabilistic...
    2 KB (196 words) - 21:08, 16 September 2022
  • Thumbnail for Strong ground motion
    simple peak ground velocity (PGV) provides the best correlation with damage. PGV merely expresses the peak of the first integration of the acceleration record...
    9 KB (622 words) - 09:42, 2 March 2024
  • parts of the world: Earthquake engineering Peak ground acceleration Seismic performance Spectral acceleration Bormann, Wendt & Di Giacomo 2013, §3.1.2.1...
    11 KB (1,123 words) - 05:50, 11 December 2023
  • computed. The simplest of which is peak ground acceleration (PGA). Other IMs include Arias intensity, peak ground velocity (PGV), for which the accelerogram...
    5 KB (589 words) - 08:39, 31 July 2023
  • Thumbnail for 2024 Noto earthquake
    northern tip of Honshu to Kyushu in the south of the country. A peak ground acceleration of 2,826 gal was observed in Shika, which was close to that recorded...
    234 KB (22,552 words) - 19:40, 28 March 2024
  • used in food products Prostaglandin of the A type Peak ground acceleration, measure of ground acceleration during an earthquake pga, ISO 639-3 language code...
    4 KB (481 words) - 21:51, 13 September 2023
  • with only damage to light fixtures and weather seals on cables. A peak ground acceleration of 0.204g was measured at Olympia. The damage and deaths in the...
    10 KB (849 words) - 11:25, 22 March 2024
  • intensity scale, a measure of earthquake impact Peak ground acceleration, a measure of earthquake acceleration (g or m/s2) Sound intensity, sound power per...
    3 KB (360 words) - 11:04, 1 March 2022
  • Thumbnail for Lateral earth pressure
    expected peak ground acceleration, suggesting kh=(1/2)PGA{\textstyle k_{h}=(1/2)PGA} (where PGA{\textstyle PGA} is the Peak Ground Acceleration) The Building...
    36 KB (5,649 words) - 20:10, 19 March 2024
  • Thumbnail for 2023 Turkey–Syria earthquakes
    intensity of X (Extreme). A peak ground acceleration of 1.62 g was recorded by a station at Fevzipaşa. The peak ground acceleration generally exceeded 0.5...
    392 KB (34,098 words) - 23:07, 23 March 2024
  • Thumbnail for Earthquake zones of India
    maximum ground acceleration in each zone using a deterministic or probabilistic approach. Instead, each zone factor represents the effective period peak ground...
    8 KB (947 words) - 07:38, 3 February 2024
  • qualification levels (high, medium, low). The Zero Period Acceleration (ZPA) (a.k.a. Peak Ground Acceleration) for the high and the medium qualifications levels...
    6 KB (689 words) - 20:14, 17 January 2024
  • Thumbnail for Response spectrum
    A response spectrum is a plot of the peak or steady-state response (displacement, velocity or acceleration) of a series of oscillators of varying natural...
    7 KB (881 words) - 19:32, 22 February 2023
  • Metre per second squared (category Units of acceleration)
    Acceleration can be measured in ratios to gravity, such as g-force, and peak ground acceleration in earthquakes. The "metre per second squared" symbol is encoded...
    3 KB (440 words) - 09:26, 25 January 2024
  • Thumbnail for 2011 Christchurch earthquake
    Initial measurement of peak ground acceleration (PGA) in central Christchurch exceeded 1.8 g (i.e. 1.8 times the acceleration of gravity), with the highest...
    202 KB (16,938 words) - 10:42, 24 March 2024
  • Thumbnail for 1964 Alaska earthquake
    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 Alaska earthquake was...
    31 KB (3,147 words) - 03:38, 14 March 2024
  • Thumbnail for 2006 Yogyakarta earthquake
    events in the 19th century and three in the 20th century, with peak ground acceleration values of 0.038–0.531g. The type and properties of sediment control...
    33 KB (3,620 words) - 09:30, 20 February 2024
  • Thumbnail for 2011 Tōhoku earthquake and tsunami
    for Earth Science and Disaster Prevention (NIED) calculated a peak ground acceleration of 2.99 g (29.33 m/s2). The largest individual recording in Japan...
    237 KB (22,277 words) - 12:37, 24 March 2024
  • (Destructive). 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...
    51 KB (5,188 words) - 08:23, 17 December 2023
  • Thumbnail for 1999 Athens earthquake
    The highest recorded peak ground acceleration was 0.3g, at 15 km from the epicentre, with attenuation predicting 0.6g acceleration at the centre. The tremor...
    13 KB (1,212 words) - 22:14, 13 December 2023
  • Thumbnail for Tunnel
    safety and stability of shallow tunnels. Damage may be related to peak ground acceleration and velocity based on the magnitude and epicentral distance of...
    98 KB (11,899 words) - 04:23, 23 March 2024