Table 1 Earthquake information.

From: Development of a novel pendulum column base isolation system with vertical negative stiffness (PC-VNS) for pile-like behavior for seismic applications

Earthquake

Time

Recording station

PGA - m/s2

Friuli (Italy)

May 06, 1976

TOLMEZZO (000)

3.513

Hollister (USA)

April 09, 1961

USGS STATION 1028

1.948

Kocaeli (Turkey)

August 17, 1999

YARIMCA(KOERI330)

3.49

Landers (USA)

June 28, 1992

000 SCE STATION 24

7.803

Loma Prieta (USA)

October 18, 1989

090 CDMG STATION 47,381

3.674

Trinidad (USA)

August 24, 1983

090 CDMG STATION 1498

1.936

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