EARTHQUAKE MONITORING SYSTEM IN

MALAYSIA FOR LOCAL AND FAR-FIELD

EARTHQUAKES

by

Dr. Chai Mui Fatt

Malaysian Meteorological Department (MetMalaysia)

01 March 2016

OUTLINE OF PRESENTATION

PLATE TECTONICS AROUND MALAYSIA

7 cm/year

11 cm/year

SEISMICITY IN MALAYSIA

FELT EARTQUAKES IN MALAYSIA &

MODIFIED MERCALLI INTENCITY (MMI)

Source: JMM & ASM (2009)

6

Fault Lines and Earthquakes in Malaysia

Source: JMG (2009)

Source: JMG (2009)

Source: JMG (2009)

7

HISTORICAL EARTHQUAKE EVENTS IN RANAU AREAS

(1991 – 2015)

8

HISTORICAL EARTHQUAKE EVENTS IN LAHAD DATU

AREAS (1991 – 2015)

15 12

3

LOCATIONS OF THE EARTHQUAKE’S MAINSHOCK AND

AFTERSHOCKS (05 JUNE 2015 – 28 JANUARY 2016)

Total : 146

Ranau Hosp.

Golf Course

Dream World Resort

WAVEFORMS – RANAU EARTHQUAKE

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

VR-1 Analog Recorder

FIRST SEISMOLOGICAL STATION IN MALAYSIA (1975)

VR-1 Analog

Recoder at

KLM

Sprengnether

Analog

Seismograf –

used in 2000

THE HISTORICAL SEISMIC MONITORING EARTHQUAKE IN

MALAYSIA

SEISMOLOGICAL STATIONS ESTABLISHED UNDER THE

UNESCO (1975 – 1979 )

MALAYSIAN NATIONAL TSUNAMI EARLY WARNING SYSTEM

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

AREA OF REPORTING (AOR)

M>5.0

M>6.0

M>3.0M>3.0

SEISMOLOGICAL STATION – WEAK MOTION (17)

Indonesian Seismic Stations link to MNTEWS through VSAT - 9

International Seismic Stations link to MNTEWS through internet - 25

INTERNATIONAL SEISMIC NETWORK

MNTEWS is

also in

direct link

with the

Pacific Tsunami Warning Center

(PTWC) in

Hawaii dan

the JMA

LINGKAGE TO PWTC, JMA & TSP

Broadband

Strekeisen

STS-2

ES-T

EpiSensor

Data

Logger

Digitizer

Power

Supply

VSAT

SEISMOLOGICAL STATION

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

SEISMOLOGICAL STATION – STRONG MOTION (27)

STRONG MOTION STATION

(PERBADANAN PUTRAJAYA BUILDING)

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

SEISMOLOGICAL STATION (OPERATED IN 2015)

DISSEMINATION OF EARTHQUAKE INFORMATION

ADDITIONAL 17 SEISMOLOGICAL STATIONS IN 11MP

SHAKEMAP

Thank You For Your Attention

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