1.10 Fukushima & Tanaka (1990, 1992)

1) Reference

Yoshimitsu Fukushima and Teiji Tanaka, 1990, A New Attenuation Relation for Peak Horizontal Acceleration of Strong Earthquake Ground Motion in Japan, Bull. Seism. Soc. Am., Vol. 80, No. 4, 757-783.

Yoshimitsu Fukushima and Teiji Tanaka, 1992, The revision of “A New Attenuation Relation for Peak Horizontal Acceleration of Strong Earthquake Ground Motion in Japan”, Abstracts The Seismological Society of Japan, 1992, Fall Meeting, B18 (in Japanese).

2) Estimated physical parameter

- Peak ground acceleration (Horizontal)

3) Used strong motion data

- Area: Japan

- Type of earthquake:

- Period: 1960 – 1990 years

- Number of events: 32

- Number of records: 555

- Magnitude: 5.1 – 7.9

- Epicentral distance: 10 – 300 km

and

- Area: USA etc.

- Type of earthquake:

- Period:

- Number of events: 20

- Number of records: 278

- JMA magnitude: 5.4 – 7.5

- Epicentral distance: 0.1 – 50 km

4) Style of faulting

Not specified

5) Ground condition

Not specified (various kinds of ground)

6) Definition of magnitude

- Japan Meteorological Agency magnitude (M_J)

- Surface wave magnitude (M_S)

- Moment magnitude (M_W)

7) Definition of source distance

Shortest distance between site and fault rupture

8) Definition of horizontal component

Mean value of two horizontal components

9) Applicability written in the paper

0.1 < R <300 km

10) Empirical attenuation formula