Strong motion waveform

Record information

  • Event: 2011/12/12 14:13 Off Ibaraki Pref. (M=4.6, h=18 km)
  • Station: Ground, National Diet Library (NDLG)
  • Instrument: SMAC-MDU
  • Sensor places: G35, G24, GL (click to see other waveforms)
  • Epicentral distance: 101 km
  • Peak acceleration: 5.5 cm/s2 (at GL)
  • Seismic intensity: 1.2 (at GL)
  • Record length: 159 sec.

Acceleration waveform at GL

waveform

Pseudo response spectrum at GL

sv graph