By NTU Palert, CWB & NCDR teams. Wu and Chiao (2006)

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Presentation transcript:

By NTU Palert, CWB & NCDR teams

Wu and Chiao (2006)

Background 1994 to Chi-Chi M>=2.0 Radius 20 km Depth <= 40 km

Background 1994 to 2003/12/09 M>=Mc B value (Aki) Radius 25 km Depth <= 35 km Relocated catalog Wu et al. (2008)

Chan et al. (2012)

For both onsite & regional early warning purposes

iTouch for backup power (4 hrs), display and sound warning

345 stations

CWB and Palert real-time strong motion stations

CWBSN & Palert Shaking maps

Use 5 km as grid spacing and use inverse square distance as weighting factor to calculate each point PGA. One point represents 25 square km area. Grid setting

Case

Case

Thanks for your attention