3.4 Sato et al. (2001)

1) Reference

Sato, T., S. Kataoka, K. Tamura and T. Okumura, 2001, Study on acceleration response spectrum and seismic wave envelope model based on the K-net strong motion records, Proceedings of the 26th Conference on Earthquake Engineering, 397-400 (in Japanese).

2) Used data

The empirical formula to estimate the acceleration response spectrum and envelope function of acceleration wave form based on the K-net strong motion data observed at rock site. The 5000 horizontal wave form ( after S phase) of 98 earthquakes are used in the analysis.

- Area: Japan (K-net)

- Type of earthquake: trench earthquake and inland earthquake

- Period: May 1996 – November 1999

- Number of events: 98

- Number of records: about 5000

- Magnitude:

Trench earthquake: M_J≧5.0

Inland earthquake: M_J≧4.5

- Focal depth: less than 60 km

- Hypocentral distance: less than 200 km

3) Ground condition

Class 1 (Rock)

4) Definition of magnitude

JMA magnitude

5) Definition of source distance

Hypocentral distance

6) Empirical formula for estimating the envelope of acceleration waveform