Geophysics/Seismology at the Institute of Earth Sciences,Academia Sinica

Benjamin F. Chao, Director

Asia Antelope User Group Meeting, Academia Sinica, 2011

(Foreland basin)

(Fore-arc basin)

(Back-arc basin)

(Accretionary prism)

Taiwans Seismicity:One-hundred Years

Historical Tsunamis

Institute of Earth SciencesAcademia Sinica DirectorAssociate Director (1)Administrative OfficeAdvisory Committee (11) (3 years)Geophysics/Seismology/ (17)Geochemistry/Geology / (11)Engineer/Technician (8)General Facility/Support (5)

Brief History1971: Taskforce of Taiwans earthquake research, under the National Science Council

1973: The Earthquake Division in the Institute of Physics, Academia Sinica

1982: Institute of Earth Sciences, Academia Sinica

2005: Taiwan Earthquake Center (TEC), Data Center

Geophysical Field Network / InstrumentsSeismicbroad-band, strong motion, OBS, geophone, rotational, downhole, SAFE-Taipei, Vietnam etc., temporary arrays (TAIGER, Tatun, 101-Building)GPS (PBO in Taiwan)Strainmeter (Longitudinal Valley)Tiltmeter (Fault, Longitudinal Valley)Gravitysuperconducting, absolute, relative, continuous vs. campaignInfrasound Heat flowGroundwater levelMagnetics

S13/SPTSMIPBATS CWB

Southern TaiwanTransect Seismic Array (2005~)Seismic Arrays in the Taipei Metropolitan Area (2002~)Strong MotionNetwork in theMountain Area(2005~)

Broadband Seismic Array in Taipei BasinBB free-field

BB downhole

Strong-Motion Downhole Array in Taipei Basin: closed (4): operation (8)

The Taipei 101 Tower seismic array

Strong Motion Network in the Mountain Area (MTN)

SENWSouthern Taiwan Transect Seismic Array (2005)STTA (25 Stations, 140 km)

TarimRecent International cooperation

Aligia2() (VSAT)

(Very Small Aperture TerminalVSAT)

VSAT:

VSAT

> 300 stationsInstalled and operated by CWB / IES / MOIContinuous GPS Arrays in Taiwan

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