| HOME | HELP | FEEDBACK | SUBSCRIPTIONS | ARCHIVE | SEARCH | TABLE OF CONTENTS |
|
|
|
|||||||
|
|||||||||
DIVISION OF SEISMOLOGY AND GEOMAGNETISM EARTH PHYSICS BRANCH ENERGY, MINES & RESOURCES, 1 OBSERVATORY CRESCENT, OTTAWA, ONTARIO, Canada, K1A 0Y3
Abstract
Theoretical relations are developed for the attenuation of horizontal peak ground acceleration (PGA) and velocity (PGV) in Canada, with emphasis on eastern Canada. The theoretical basis is a composite of several approaches. At intermediate epicentral distances, results from random vibration theory (Hanks and McGuire, 1981; Boore, 1983), which can be used to describe PGA and PGV in terms of shear radiation implied by Brune's (1970) source model, are applied to Canadian earthquakes. Motions are extended into the near-source region using arguments concerning magnitude scaling (Joyner and Boore, 1981). At distances greater than two crustal thicknesses, ground motions are attributed largely to the Lg phase and are attenuated accordingly (Nuttli, 1982).
The resulting attenuation relations for PGA and PGV in eastern Canada are in excellent agreement with strong motion data from moderate eastern Canadian and Central United States earthquakes. Compared to empirical attenuation relationships based on Modified Mercalli Intensity, the theoretical model predicts a stronger dependence of peak ground motions on magnitude. In other respects (amplitude levels and distance decay), empirical and theoretical predictions are similar.
The model predicts that eastern events will have higher peak accelerations, but similar peak velocities, in comparison to their western counterparts of the same moment magnitude. This arises from the relative enrichment of eastern earthquakes in higher frequencies.
This article has been cited by other articles:
|
|
 |
|
  G. Grandori, E. Guagenti, and L. Petrini Statistical Grounds for Favoring the Characteristic Magnitude Model: A Case Study Bulletin of the Seismological Society of America, October 1, 2008; 98(5): 2161 - 2169. [Abstract] [Full Text] [PDF]
|
|
|
|
|
|
M. Causse, F. Cotton, C. Cornou, and P.-Y. Bard Calibrating Median and Uncertainty Estimates for a Practical Use of Empirical Green's Functions Technique Bulletin of the Seismological Society of America, February 1, 2008; 98(1): 344 - 353. [Abstract] [Full Text] [PDF]
|
|
|
|
|
|
A. O. Kwok and J. P. Stewart Evaluation of the Effectiveness of Theoretical 1D Amplification Factors for Earthquake Ground-Motion Prediction Bulletin of the Seismological Society of America, August 1, 2006; 96(4A): 1422 - 1436. [Abstract] [Full Text] [PDF]
|
|
|
|
|
|
B. Halldorsson and A. S. Papageorgiou Calibration of the Specific Barrier Model to Earthquakes of Different Tectonic Regions Bulletin of the Seismological Society of America, August 1, 2005; 95(4): 1276 - 1300. [Abstract] [Full Text] [PDF]
|
|
|
|
|
|
D. Motazedian and G. M. Atkinson Stochastic Finite-Fault Modeling Based on a Dynamic Corner Frequency Bulletin of the Seismological Society of America, June 1, 2005; 95(3): 995 - 1010. [Abstract] [Full Text] [PDF]
|
|
|
|
|
|
J. G. Anderson Expected Shape of Regressions for Ground-Motion Parameters on Rock Bulletin of the Seismological Society of America, December 1, 2000; 90(6B): S43 - S52. [Abstract] [Full Text] [PDF]
|
|
|
|
|
|
Reply to Comment by R. A. W. Haddon on "Evaluation of Models for Earthquake Source Spectra in Eastern North America" by Gail M. Atkinson and David M. Boore Bulletin of the Seismological Society of America, October 1, 2000; 90(5): 1339 - 1341.
|
|
|
|
|
|
Stochastic Modeling of California Ground Motions Bulletin of the Seismological Society of America, April 1, 2000; 90(2): 255 - 274.
|
|
|
|
|
|
S. K. Singh, M. Ordaz, R. S. Dattatrayam, and H. K. Gupta A spectral analysis of the 21 May 1997, Jabalpur, India, earthquake (Mw = 5.8) and estimation of ground motion from future earthquakes in the Indian shield region Bulletin of the Seismological Society of America, December 1, 1999; 89(6): 1620 - 1630. [Abstract] [PDF]
|
|
|
|
|
|
I. A. Beresnev and G. M. Atkinson Generic finite-fault model for ground-motion prediction in eastern North America Bulletin of the Seismological Society of America, June 1, 1999; 89(3): 608 - 625. [Abstract] [PDF]
|
|
|
|
|
|
R. A. W. Haddon Earthquake source spectra in eastern North America Bulletin of the Seismological Society of America, October 1, 1996; 86(5): 1300 - 1313. [Abstract] [PDF]
|
|
|
|
|
|
R. A. W. Haddon Use of empirical Green's functions, spectral ratios, and kinematic source models for simulating strong ground motion Bulletin of the Seismological Society of America, June 1, 1996; 86(3): 597 - 615. [Abstract] [PDF]
|
|
|
|
|
|
S.-C. Wu, C. A. Cornell, and S. R. Winterstein A hybrid recurrence model and its implication on seismic hazard results Bulletin of the Seismological Society of America, February 1, 1995; 85(1): 1 - 16. [Abstract] [PDF]
|
|
|
|
|
|
G. M. Atkinson and D. M. Boore Ground-motion relations for eastern North America Bulletin of the Seismological Society of America, February 1, 1995; 85(1): 17 - 30. [Abstract] [PDF]
|
|
|
|
|
|
C. ALLIN CORNELL, S.-C. WU, S. R. WINTERSTEIN, J. H. DIETERICH, and R. W. SIMPSON Seismic hazard induced by mechanically interactive fault segments Bulletin of the Seismological Society of America, April 1, 1993; 83(2): 436 - 449. [Abstract] [PDF]
|
|
|
|
|
|
D. M. BOORE, W. B. JOYNER, and L. WENNERBERG Fitting the stochastic {omega}-2 source model to observed response spectra in western north America: Trade-offs between {Delta}{sigma} and {kappa} Bulletin of the Seismological Society of America, August 1, 1992; 82(4): 1956 - 1963. [PDF]
|
|
|
|
|
|
G.-B. OU and R. B. HERRMANN A statistical model for ground motion produced by earthquakes at local and regional distances Bulletin of the Seismological Society of America, December 1, 1990; 80(6A): 1397 - 1417. [Abstract] [PDF]
|
|
|
|
|
|
D. M. BOORE and G. M. ATKINSON Spectral scaling of the 1985 to 1988 Nahanni, Northwest Territories, earthquakes Bulletin of the Seismological Society of America, December 1, 1989; 79(6): 1736 - 1761. [Abstract] [PDF]
|
|
|
|
|
|
K. W. CAMPBELL The dependence of peak horizontal acceleration on magnitude, distance, and site effects for small-magnitude earthquakes in California and Eastern North America Bulletin of the Seismological Society of America, October 1, 1989; 79(5): 1311 - 1346. [Abstract] [PDF]
|
|
|
|
|
|
B. BENDER and K. W. CAMPBELL A note on the selection of minimum magnitude for use in seismic hazard analysis Bulletin of the Seismological Society of America, February 1, 1989; 79(1): 199 - 204. [PDF]
|
|
|
|
|
|
A. S. PAPAGEORGIOU On two characteristic frequencies of acceleration spectra: Patch corner frequency and fmax Bulletin of the Seismological Society of America, April 1, 1988; 78(2): 509 - 529. [Abstract] [PDF]
|
|
|
|
|
|
P. G. SOMERVILLE, J. P. MCLAREN, L. V. LEFEVRE, R. W. BURGER, and D. V. HELMBERGER Comparison of source scaling relations of eastern and western North American earthquakes Bulletin of the Seismological Society of America, April 1, 1987; 77(2): 322 - 346. [Abstract] [PDF]
|
|
|
|
|
|
D. M. BOORE and G. M. ATKINSON Stochastic prediction of ground motion and spectral response parameters at hard-rock sites in eastern North America Bulletin of the Seismological Society of America, April 1, 1987; 77(2): 440 - 467. [Abstract] [PDF]
|
|
|
|
|
|
G. R. TORO and R. K. MCGUIRE An investigation into earthquake ground motion characteristics in eastern North America Bulletin of the Seismological Society of America, April 1, 1987; 77(2): 468 - 489. [Abstract] [PDF]
|
|
|
|
|
|
K. W. CAMPBELL An empirical estimate of near-source ground motion for a major, mb = 6.8, earthquake in the eastern United States Bulletin of the Seismological Society of America, February 1, 1986; 76(1): 1 - 17. [Abstract] [PDF]
|
|
|
|
|
|
D. M. BOORE Short-period P- and S-wave radiation from large earthquakes: Implications for spectral scaling relations Bulletin of the Seismological Society of America, February 1, 1986; 76(1): 43 - 64. [Abstract] [PDF]
|
|
|
|
|
|
R. R. YOUNGS and K. J. COPPERSMITH Implications of fault slip rates and earthquake recurrence models to probabilistic seismic hazard estimates Bulletin of the Seismological Society of America, August 1, 1985; 75(4): 939 - 964. [Abstract] [PDF]
|
|
| HOME | HELP | FEEDBACK | SUBSCRIPTIONS | ARCHIVE | SEARCH | TABLE OF CONTENTS |
