attenu

Documentation

The Joyner–Boore Attenuation Data

This data gives peak accelerations measured at various observation stations for 23 earthquakes in California. The data have been used by various workers to estimate the attenuating affect of distance on ground acceleration.

Usage

attenu

Format

A data frame with 182 observations on 5 variables.

[,1] event numeric Event Number
[,2] mag numeric Moment Magnitude
[,3] station factor Station Number
[,4] dist numeric Station-hypocenter distance (km)
[,5] accel numeric Peak acceleration (g)

Source

Joyner, W.B., D.M. Boore and R.D. Porcella (1981). Peak horizontal acceleration and velocity from strong-motion records including records from the 1979 Imperial Valley, California earthquake. USGS Open File report 81-365. Menlo Park, Ca.

References

Boore, D. M. and Joyner, W.B.(1982) The empirical prediction of ground motion, Bull. Seism. Soc. Am., 72, S269–S268.

Bolt, B. A. and Abrahamson, N. A. (1982) New attenuation relations for peak and expected accelerations of strong ground motion, Bull. Seism. Soc. Am., 72, 2307–2321.

Bolt B. A. and Abrahamson, N. A. (1983) Reply to W. B. Joyner & D. M. Boore's “Comments on: New attenuation relations for peak and expected accelerations for peak and expected accelerations of strong ground motion”, Bull. Seism. Soc. Am., 73, 1481–1483.

Brillinger, D. R. and Preisler, H. K. (1984) An exploratory analysis of the Joyner-Boore attenuation data, Bull. Seism. Soc. Am., 74, 1441–1449.

Brillinger, D. R. and Preisler, H. K. (1984) Further analysis of the Joyner-Boore attenuation data. Manuscript.

Examples

require(graphics)
## check the data class of the variables
sapply(attenu, data.class)
summary(attenu)
pairs(attenu, main = "attenu data")
coplot(accel ~ dist | as.factor(event), data = attenu, show.given = FALSE)
coplot(log(accel) ~ log(dist) | as.factor(event),
       data = attenu, panel = panel.smooth, show.given = FALSE)
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Attachment Size
dataset-26085.csv 4.01 KB