1. 1 Small Seismic Monitering net for Irrigation dams in Thailand By Thanu Harnpattanapanich thanuhar@loxinfo.co.th

2. 2 Background KSTSN = The resulted of the resolution of the Council of Ministers on 24 March 1998 for Keng Sue Ten Dam project

3. 3 Project Area (http://www.dmr.go.th/geohazard/earthquake_n/Active_FAULTS_THAI.html) KSTSN within 150 km from KST Damsite (Latitude 17-20.5 o N,Longitude 98.5-101.5 o E)

4. 4 Location of Seismic Station STATION NAME LOCATIONLATITUDELONGITUDESYSTEM OPERATION DATE GEOLOGY MONT Amphoe Ngao, Changwat Lampang 18.7299.99SPS1999-Present Feldspatic greywacke KAEW Amphoe Chun, Changwat Phayao 19.37100.05SPS1999-PresentTuff HTUM Amphoe Ban Luang, Changwat Nan 18.87100.49SPS1999-PresentPhyllite MYOM Mae Yom National Park 18.62100.16SPS1999-PresentSlate ETNA Amphoe Song, Changwat Phrae 18.62100.16SMA1999-PresentSlate

5. 5 Collect Seismicity Data Seismic Station SeismographAccelerograph Computer Program : Quick Talk for Windows

6. 6 Set up Database 1.Record : all file of seismic data from 5 seismic stations (earthquake and ambient noise) 2.Data : seismogram of the earthquake from 5 seismic stations that can read the arrival time of p or s wave 3.Event : seismogram of the earthquake from 5 seismic stations that can read the arrival time of p and s wave 4.Bulletin : earthquake bulletin 5.Summary Table : detailed of 5 seismic station (record, data, event, file type, grade)

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8. 8 Magnitude & Epicenter & Depth

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13. 13 Analysis: Acceleration and Response Spectra Computer Program : Quick Look, Strong Motion Software Package

14. ThaiPSN

20. 20 Thank you