Thai National Seismic Network

Thai Meteorological Department

Ref: http://www.seismo.unr.edu/ftp/pub/louie/class/

Seismic Belts

Seismic Belts• กลั�บภาพ

51

Felt Earthquake 1900-Oct 2006

Felt Earthquake Statistic 1900-October 2006

•Sources outside country

121 eventsSources inside country

91 events

Outside

inside

Felt earthquake at the provinces

38

16

35

2 3 3 42 1

13

0

5

10

15

20

25

30

35

40

Provinces

Chiangmai

Chiangrai

Maehongson

Phrae

Lumpang

Lumpun

Payao

Tak

Utradit

Phetchabun

Nakonrachasima

Kanchanburi

Felt Earthquake from outside sources

1900- Oct 2006

41

6

21

1

83 1

22

10

16

051015202530354045

Area

Myanmar

China-Myanmar

Burma-Thai

Myanmar-India

Myanmar-Laos

Thai-Laos

China-Vietnam

Sumatra

Andaman

Laos-Vietnam

Laos

Present TMD seismic observatories

• Analog type 14 Stations SPZ

• Old Digital seismic stations

3 components 11 stations ( 3 BB, 8 SP)

• IRIS/GSN 1 station at Chiangmai : CHTO

• New upgrading seismic stations

Phase I 15 stations (7 VBB stations 120 sec sensor and 8 SP stations 40 sec)

Phase II 25 Stations (10 VBB stations 120 sec,15 SP stations 1 HZ)

Existing Seismic Network in Thailand

CHTO IRIS/GSN

Old digital Station

Sensor and Vault

http://aslwww.cr.usgs.gov/Seismic_Data/telemetry_data/CHTO_24hr.html

Tonga Earthquake 7.9 Mb May 3,2006

ADSL

ADSL

IPSTAR

IPSTAR

Router

Router

TMD Bangkok

Remote Stations

Phase II

ADSL

ADSL

IPSTAR

IPSTAR

Pak Mool Ubolrachatani

Broadband+SMA

Sakonnakorn SP+SMA

Dam Sites of EGAT

Srinakarind Dam Broadband+SMA Khaolaem Dam

SP+SMA

Dam Sites of EGAT

Lum Praplerng Dam

SP+SMA

Dam site at Royal Irrigation Department

INTERNET

USER

IP ADDRESS

Real time display via IP ADDRESS

Real time monitoring Analysis software

Seismological Bureau Bangkok

Phase II

•25 seismic stations (10BB,15 SP)

•20 Acceleration stations

•2 Borehole stations

•4 GPS stations

•9 Tide Gauge stations

Project will finish in 2008

ADSL

ADSL

IPSTAR

IPSTAR