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EARTHQUAKE MONITORING SYSTEM IN
MALAYSIA FOR LOCAL AND FAR-FIELD
EARTHQUAKES
by
Dr. Chai Mui Fatt
Malaysian Meteorological Department (MetMalaysia)
01 March 2016
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OUTLINE OF PRESENTATION
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PLATE TECTONICS AROUND MALAYSIA
7 cm/year
11 cm/year
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SEISMICITY IN MALAYSIA
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FELT EARTQUAKES IN MALAYSIA &
MODIFIED MERCALLI INTENCITY (MMI)
Source: JMM & ASM (2009)
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Fault Lines and Earthquakes in Malaysia
Source: JMG (2009)
Source: JMG (2009)
Source: JMG (2009)
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HISTORICAL EARTHQUAKE EVENTS IN RANAU AREAS
(1991 – 2015)
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HISTORICAL EARTHQUAKE EVENTS IN LAHAD DATU
AREAS (1991 – 2015)
15 12
3
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LOCATIONS OF THE EARTHQUAKE’S MAINSHOCK AND
AFTERSHOCKS (05 JUNE 2015 – 28 JANUARY 2016)
Total : 146
Ranau Hosp.
Golf Course
Dream World Resort
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WAVEFORMS – RANAU EARTHQUAKE
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PGA VALUES – RANAU EARTHQUAKE
Stationg-Value (%)
Z N E
BNM -0.0100 -0.0100 0.0100
KDM 0.1866 00.3135 -0.3347
KKM -5.4385 -13.5071 -12.4038
LDM -0.0236 0.0410 0.0426
SBM -0.0038 -0.0055 0.0059
TSM 0.0282 0.0267 0.0350
Lat/long : 6.0470 N, 116.5900 EDate : 05 Jun 2015Time (LT) : 07:15:45Magnitude : 6.0 mbDepth : 9 km
USGS, 2015
MetMalaysia, 2015
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VR-1 Analog Recorder
FIRST SEISMOLOGICAL STATION IN MALAYSIA (1975)
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VR-1 Analog
Recoder at
KLM
Sprengnether
Analog
Seismograf –
used in 2000
THE HISTORICAL SEISMIC MONITORING EARTHQUAKE IN
MALAYSIA
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SEISMOLOGICAL STATIONS ESTABLISHED UNDER THE
UNESCO (1975 – 1979 )
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MALAYSIAN NATIONAL TSUNAMI EARLY WARNING SYSTEM
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OBJECTIVES OF MNTEWS
AS A NATIONAL MONITORING CENTER FOR ALL EARTHQUAKE ACTIVITIES AND TSUNAMI IN MALAYSIA AND ITS ADJACENT AREAS ON A 24-HOUR BASIS THROUGHOUT THE YEAR
ISSUING EARTHQUAKE INFORMATION THAT OCCURS IN THE MALAYSIAN REGION (MODERATE, STRONG OR FELT)
ISSUING TSUNAMI ADVISORY/WARNING IF AND WHEN TSUNAMI IS EXPECTED TO HIT THE MALAYSIAN WATERS AND COAST
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AREA OF REPORTING (AOR)
M>5.0
M>6.0
M>3.0M>3.0
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SEISMOLOGICAL STATION – WEAK MOTION (17)
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Indonesian Seismic Stations link to MNTEWS through VSAT - 9
International Seismic Stations link to MNTEWS through internet - 25
INTERNATIONAL SEISMIC NETWORK
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MNTEWS is
also in
direct link
with the
Pacific Tsunami Warning Center
(PTWC) in
Hawaii dan
the JMA
LINGKAGE TO PWTC, JMA & TSP
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Broadband
Strekeisen
STS-2
ES-T
EpiSensor
Data
Logger
Digitizer
Power
Supply
VSAT
SEISMOLOGICAL STATION
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Data Digitizer
and Recorder
Sensors
Data Transmitter Earth Station di
Cyberjaya
Router
VSAT
MEASAT
National
Tsunami Early
Warning
Center
METHOD AND SYSTEM FOR TRANSMITTING SEISMIC DATA
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SEISMOLOGICAL STATION – STRONG MOTION (27)
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STRONG MOTION STATION
(PERBADANAN PUTRAJAYA BUILDING)
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Accelerograph
Extra Power Backup for Communication
Digital Lease Line Communication
equipment
Continuous Data Storage and UPS
Junction Box for data and timing from 9th Floor
STRONG MOTION STATION
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SEISMOLOGICAL STATION (OPERATED IN 2015)
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DISSEMINATION OF EARTHQUAKE INFORMATION
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ADDITIONAL 17 SEISMOLOGICAL STATIONS IN 11MP
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SHAKEMAP
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Thank You For Your Attention
30