THE%20SEISMOLOGICAL%20NETWORK%20AND%20EARTHQUAKE%20ACTIVITY%20IN%20VIETNAM

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THE SEISMOLOGICAL NETWORK AND EARTHQUAKE ACTIVITY
IN VIETNAM

• Dinh Quoc Van,
• Institute of Geophysics, Vietnam Academy of
  Science and Technology

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Overview

• 1. The Vietnam seismological network
• 2. The eathquake activity in Vietnam.

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The Vietnam National Seismological network
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• - The permanent seismic station (12)
• - Vietnam station 5
• - Jamstec station 3
• - ADPC station 2
• - TW station 2
• - The temporary seismic station (45)
• - Vietnam station 15
• - TW station 25
• - Poland 5
• - Online station (21)
• - Permanent stations 12
• - Temporary stations 9

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• The near futureVietnam national seismological
  network (project for 2009-2016)
• - 28 permanent stations, with
• 10 Q330HRS/Q330HR/STS-2.5 (120s)/Epi-sensor
• 18 Q330HR/Metrozet PBB200 (40s)/Epi-sensor
• - 12 temporary stations with
• 12 Guralp CMG-6TD (30s-100Hz)

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• The extension Vietnam national seismological
  network project (2012-2017)
• - 36 stations, including 6 stations in Ho Chi
  Minh city and vicinity

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The Local seismic network
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• The Song Tranh 2 dam located in the centre of
  Vietnam (Quangnam province)
• 190 mW, include two machines
• Reservoir capacity 740 million cubic meters of
  water

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The Song Tranh 2 seismic network (10 stations,
August, 2013) - Five Vietnam seismic stations
(broadband 30s) - Five Poland seismic stations
(Short-period 1s) - Online network
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• The Local seismic network for monitoring trigger
  seismicity in Lai Chau reservoir for project
  2014-2018

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The Earthquake information and Tsunami early
warning
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SYSTEM FOR EARTHQUAKE INFORMATION AND TSUNAMI
WARNING IN VIETNAM (WITH VIETNET)

• TV
• Radio
• Committee for Research and Rescue
• Government Offices
• Related Agencies

Regional seismic network
Seismic data processing centre
National seismic network
Earthquake information
M 3,5
Earthquake information and tsunami warning centre
Tsunami scenarios (MoNRE)

• Alert system
• TV
• Radio
• Committee for Research and Rescue
• Government Offices
• Related Agencies

Sea level data (MoNRE) Tsunami informations
(PTWC, NWPAC, JMA, RIMES,...)
Early Tsunami warning
M ? 6.5
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• - Seismic data Processing Seisan, Seiscomp3,..
• - Catalog and Bulletin publishing ISC
• 2009/10/14 015836.30 0.90 0.300 20.5750
  102.0240 10.1 9.0 -1 2.7 9.7 3 342 PLV
• - Seismic data sharing Rimes, Jamstec, IRIS.

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The earthquake activity in Vietnam
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• The seimicity in the Northern part of Vietnam and
  vicinity in the period from 1900-2012

M 6.8, 1935 (Dien Bien) M5.4, 1954 (Luc Yen)
M5.3, 1962 (Bac Giang) M 6.7 1983 (Tuan Giao) M
5.1, 2001 (Dien Bien)
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• The seimicity in the Southern part of Vietnam and
  vicinity in the period from 1900-2012

M6.1, 1923, Phu Quy) M5.3, 1970, 1972 (Song
Cau) M4.7, 2005 (Phu Quy)
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• THANK YOU FOR ATTENTION!