1.25 Liu & Tsai (2005)

1) Reference

Kun-sung Liu and Yi-Ben Tsai, 2005, Attenuation relationship of Peak Ground Acceleration and Velocity for Crustal Earthquakes in Taiwan, Bulletin of Seismological Society of America, Vol. 95, No. 3, 1045-1058.

2) Estimated physical parameter

- Peak ground acceleration, Peak ground velocity (Horizontal, Vertical)

3) Used strong motion data

- Area: Taiwan

- Type of earthquake: crustal earthquake

- Period: 1993-2002 years

- Number of events: 51

- Number of records: ≧7900

- Magnitude: M_w4.0-7.1

- Epicentral distance:

4) Style of faulting

Not specified

5) Ground condition

Three region and the whole Taiwan region;

TWN area : whole Taiwan region

CHY area : southwestern Taiwan

IWA area : northeastern Taiwan

NTO area : central Taiwan

6) Definition of magnitude

Moment magnitude

7) Definition of source distance

Hypocentral distance

8) Definition of horizontal components

Not specified

9) Applicability written in the paper

Not specified

10) Empirical attenuation formula

Y: ground motion parameter (PGA, PGV)

X: hypocentral distance

M_w: moment magnitude

σ: standard deviation

Table 1.25-1 Regression coefficients for PGA, PGV