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Earthquake Prediction Research [EPR]

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Title: Earthquake Prediction Research [EPR]


1
Earthquake Prediction Research EPR
Disaster Management Strategy ? -
M.V.Ramanamurthy.
2
  • What is going on now?
  • What is needed?
  • Why it is difficult?
  • What is to be done?
  • Recent predictions.

3
PRINCIPLE METHODS IN EPR
  • 1) Astronomical
  • Stellar constellation (planets stars)
  • Moon, a Celestial body Earth in
    straight line
  • Turning points of the moons relative
    motion to the earth
  • Tidal Generation Forces Resonance TGFR
  • Data can be computed in advance

much in advance
4
  • 2) Geomagnetic field change
  • Change in Geomagnetic field occurs 6-8 m before
    EQ.
  • - Continuous monitoring Geomagnetic field
    is required
  • Audio, video spectral disturbances just 10 to
    20 hrs
  • before earthquake occurrence.
  • - Lattur Andamans EQs phone complaints
    increased.
  • - In Turkey, Japan China mobile phones
  • malfunctioned 50 to 100 minutes before
    EQ
  • - Telephone exchange data useful in
    land, mobile.

6-8 m
5
  • 3) Triangular network GPS stations
  • Area change ratio from Simultaneous
    continuous
  • Geodetic measurement is converted to annual
    change
  • ratio ppm.
  • Early warning should be issued if the change
    in XY, XZ
  • or YZ plane is gt 3ppm
  • I stage warning 4 - 9 ppm
  • II stage warning 10 ppm
  • III stage warning gt10 ppm
  • ve sign indicates tension - ve sign indicates
    compression

3-6 m
6
  • 4) Differential SAR interferrometry
  • Differential Interferrometry
  • - Provides relative measurement, few cm or
    even less
  • movements in vertical direction.
  • Small elevation changes caused by the buckling
    of the
  • earths surface prior to EQ can be measured.
  • For monitoring pre, co post seismic Earths
    Crust
  • Dynamic Grid 4 satellites or more needed.
  • NASA 7 d repeat L- band InSAR 4 satellites
    with 10 m
  • resolution, okay.
  • Long-term measurement of interseismic strain
  • accumulation to lt1 mm/yr resolution

1-2 m
7
  • 5) Thermal InfraRed
  • A huge isolated temperature increasing area
    appears far
  • from Epicenter before EQ 2-6 deg C wrt
    peripherals.
  • The thermal spectral resolution of 0.12-0.5 deg
    C is high
  • enough for EQ precursor detection.
  • Increase of Brightness values Temperature
    Temperature
  • Increasing Area IBvTTIA direct function
    of magnitude.
  • IBvT TIA
  • 1-3 L sq. km Ms. 5.
  • 4-7 L sq. km Ms gt 6.
  • gt 7 L sq. km Ms. 7.

1d to2 m
8
  • 6) Animal abnormal Jump frequency budgerigars
  • Budgerigars is a kind Parrot which is used
    for EQ
  • precursor detection.
  • 600-700 Vs gt2000 jumps p/d
  • No Information on direction,epicenter,Mag,t

7-13 d
9
  • 7) Gravity method
  • In deformation zone, on earths surface
    subjected to
  • displacement or movement of the earths
    gravity center.
  • Given, at least 3 measuring points of earths
    gravity force,
  • triangulation procedure allows locating the
    epicenter

5 6 d
10
  • 8) Crustal stress measurement
  • Before EQ crustal strain pulse signals.
  • Relative change of crustal stress reflects
    seismicity,
  • Hence crustal stress value is adopted instead
    of
  • absolute value.
  • Measured by a crustal stress transducer, the
    strain in 3
  • directions on a level underground.
  • Principal strain (crustal stress crustal
    strain elastic
  • modulus )
  • Its direction is towards epicenter.

1 3 d
11
  • 9) Infrasound Waves ISW
  • Abnormal Infrasonic wave signals has Ultra low
    frequency
  • (lt1 Hz), longitudinal vibrations in the air,
    propagate very
  • long distances, without significant attenuation
    and distortion.
  • ISWs released from fault fractures rock
    destruction prior
  • to large EQs at epicenter.
  • Infrasonic sound measured in a star topology
    with
  • optimum array configuration using
  • low frequency microphone or by
  • high frequency barometer sensors.
  • A high, 1.250 mV 10Pa sonic P
  • EQ Ms gt7-7.5
  • EQs Precursors 0.004-0.1 Hz.

1-9 d
12
  • 10) Geoelectric pulses
  • Normal pulse is smoothly round curve, but
    before EQ
  • abnormal.
  • Amplitude of the abnormal signal determines
  • the magnitude.
  • Procedures are same as of ISW

1 9 d
13
Chineese Predictions and Error Range Year
T- Err Mag-Err Loc-Err 1996 Nil
Nil Nil 1996 Nil
Nil Nil 1996 39d,late Ms 0.1
Nil 1997 Nil-13hr Ms 0.2 Nil 2000 Nil Ms
0.1 Nil 2001 Nil Nil
0-0.1deg 2002 Nil Ms 0.3 Nil 2002 Nil Ni
l Nil 2003 2-4 d Ms 0.5 125km, Off
14
  • Precursors Prediction 1
  • Imminent EQs
  • Accomplishing envisaged endeavor
  • Integrated Cardinal Strategy.
  • Comprehensive Data Integration, then
    Synthesize.
  • Multi disciplinary, component, Poly
    Dimensional
  • data encompassing multiple of
    multiplicative complexities,
  • Use of multiplicative additive divisive
    subtractive
  • methodologies etc.
  • Comprehensive Integration to differentiate the
    multi data set
  • precursors reliable response more
    information than can be
  • derived from single data set, techniques more
    supportive,
  • more confident
  • Integration of multiple data sets and composite
    digital image
  • generation.

15
  • Computerized image processing involving data
    2
  • and feature extraction techniques
    geometrical, structural,
  • spectral, statistical with 2 or more, Image
    data fusion, based
  • on pixel, feature, decision pixel,
    algorithm should be in line
  • with scientific doctrine, a continuous
    processes to refine and
  • improve the visual image exploitation by
    human image
  • interpreters.
  • Decisions levels on fusion techniques are
    knowledge logical,
  • syntactical, contextual and identity
    statistical inferences based
  • global seismic policy, Public education,
    seismic proof ts safe
  • planning and constructions, public early
    warning reach out
  • communications, real time emergency services
    disaster relief and
  • management.
  • Global Team Effort.
  • Integrated Global Strategy.

16

  • 3
  • India should participate and with innovative
    contribution patent
  • Shimla Summer Seismic Capital
  • EQ Physics Engineering EQ Technology
  • Study Physics, Geophysics, Engineering
    Physics, Astrophysics,
  • Astro-mechanics, Remote
    Sensing..
  • NASA
  • Global Earthquake Satellite System GESS
  • France Dec 2004
  • DEMETER Detection of Electro-Magnetic Emissions
  • Transmitted from
    Earthquake Regions
  • Microsatellite series.

17
  • The scientific purpose of the mission is to
    4
  • Study the ionospheric disturbances related to
    seismic activity,
  • Study the ionospheric disturbances related to
    human activity,
  • Study the pre- and post-seismic effects in the
    ionosphere,
  • Contribute to understand the mechanisms
    generating those
  • disturbances,
  • Give global information on the Earth's
    electromagnetic
  • environment at the satellite altitude.
  • Pre, Co Postseismic study.
  • Seismic Audit construction, codes, education
    on precursors.
  • Kangra EQ 1905 mag gt8 one day before all
    Zoo animals
  • highly disturbed recorded
  • Indian Plate is going below Erasian plate
    raising Himalayas
  • Tibetan plateau

18
Modeling
  • Data should speak not converse
  • Mathematics
  • Precursors Prediction
  • Geology process holds the key
  • Prediction by single method is not advisable
  • Comprehensive integrated strategy.
  • Mathematics does not obey nature's laws and
  • nature is not governed by mathematics

19
  • SUMMATION
  • The Principle Prediction Precursor Techniques
    consists of
  • a three-tire composite system In advance
  • I. Long range Macro
  • Astronomical years before
  • Electrical resistivity variations in seismically
    active areas
  • Geomagnetic field change 6-8 months
  • GPS 3- 6 months
  • II. Medium range Meso
  • Radar 1-2 months
  • Thermal IR 1 day2 months
  • Electrical resistivity variations alerted and
    active 3 4 months
  • Tidal Generation Forces Resonance 15 days 2
    months

20
  • III. Short range Micro
  • Budgerigars a kind of parrot Jump frequency
    7-13 days
  • Gravity 5 6 days
  • Infrasound 1-9 days
  • Geoelectrical pulse 2-9 days
  • Crustral strain 1-3 days
  • Geomagnetic field change affects
    telecommunications
  • 50-100 minutes to few hours and months

21
Cost Benefit Analysis.
  • High Damage Vs low EPR RD.
  • RD investment is very low.
  • India too can afford If there is A Will,
    Capability, Dedication
  • 4 years robust globally predictive RD and
    implementation

  • 3.5L Rs 1.5 Cr
  • Global Earthquake Satellite System GESS
  • 20 years InSAR 36hr Vs 35d 400-500 m
  • 5 yrs RD, 15 yrs mission operation
    Rs. 1700 to 1800 Cr
  • Geosynchronous Satellite System
    (Rs. 90 Cr/yr)
  • at present not within the range, too
    expensive
  • First satellite 5 yr RD, 15 mission operation
    1-2 b.
  • 10 Satellite constellation 8-10 b.
  • world wide Infrasound system cheap. 1L, Rs. 50
    L.
  • Comprehensive Nuclear Test Ban Treaty CNTBT
  • 60 infrasound stations net work, only maintenance.

22
DISASTER MANAGEMENT STRATEGY
23
  • Initially, precursors identification routine
    Long and Medium
  • range predictive techniques, irrespective of
    areas are seismic or
  • aseismic, followed by Short range on alert
    in seismic or aseismic
  • narrowing down the imminent event.
  • None may follow logical sequence.
  • Likelihood that medium and short range could
    be in sequence,
  • long range may or may not be an indicator.
  • On alert Short-Range Tools must be in place
    and vigilant in the
  • long and/or medium ranges in seismic or
    aseismic-alerted in the
  • regions for continuous surveillance and
    monitoring.

24
  • Our need of the
    hour is
  • an automated on line surveillance system
  • To predict Imminent Earthquakes Precursors
    Detection
  • At least 3 days before, should possibly be
    accomplished.
  • Constituting an Earthquake Research Authority
  • ERA act as a nodal agency to coordinate with
    recently
  • forming National Disaster Management Authority
    NDMA.
  • Researchers as and when they notice imminence of
    an event,
  • should report to the ERA only, who intern can
    deal with the
  • situation as deemed fit confidentially,
    including conveying
  • to the public at an appropriate time, so that
    panic situation
  • is avoided.

25
  • The NDMA should ensure that State District
    Level
  • S,DDMAs be in place.
  • Researchers as and when they identify long
    range indicators in an
  • area, it should be confidentially be informed
    to the ERA, to be
  • passed on to N,SDMAs.
  • When the medium range precursors are identified
    in the same
  • area, then alert should be passed on to all
    the three DMAs
  • through ERA to NDMA.
  • Finally, when the event is identified in the
    short range in the same
  • area, then ERA to coordinate with all the
    three DMAs to get not
  • only be alerted, but also should be in a
    position to convey to the
  • area people concern about the imminent
    event, from time to time,
  • with the latest updates and to get prepared
    to face the situation
  • Without any panic, a proper communication
    channel is to be
  • devised. Strict highest level of
    confidentiality should be maintained

26
Medical Precurssors
  • Abnormal cell growth precursor
  • Positron Emission Tomography
  • computerized tomography PET-CT
  • Color shades chemical levels of cell
    activity.
  • Exact location of abnormal cell activity
  • invisible on CT.
  • A complimentary, not competing image
    modalities

27
My Medical Forecast
  • Signal Processing Doctrine principles are same
    in any scientific
  • pursuit, including interpretation
  • Cardiac ECG or
  • EQs seismogram
  • In fact signal processing technique is adopted
    in
  • medical applications
  • Automatic processing of the foetal MCG, Cardiac
  • diseases estimate
  • A precursor sensor like a wristwatch on human
    body to
  • monitor on selected intervals Vital organs
    functioning and
  • connected to a centralized computerized
    Database, gives
  • warning signals replacing the existing
    periodical preventive
  • medical checkups, including scans, blood
    tests etc.

28
  • SUGGESTIONS
  • EPR should be taken up by Academic,
    Professional and
  • Research Institutes with collaborative
    projects with
  • centres where such know-how exists.
  • Global coordinated team effort deeper insight
    with tenacity.
  • A false alarm can cause panic, hence special
  • care is needed.
  • Cardinal aim is narrowing down the event
    predictive
  • process by employing the Prediction Precursor
  • Techniques of a three-tire system
  • 1) Macro 2) Meso 3) Micro levels
  • With the help of Space and Ground-borne systems

29
  • SUGGESTIONS
  • Symptomatic approach Vs Scientific doctrine
  • Supernatural science needs to be pursued,
    parallelly
  • United Nations Universitys Associated
    Institutions
  • Research Centers of Global Scientific
    Excellence in various
  • countries
  • Student participation in Masters and Doctoral
    programs
  • UN, World Human Rights Commission and NGOs
    contribution

30
Thank you for your kind attention
Any Questions.???? Contact address M.V.Ramanam
urthy68-1-3/1, Netaji Street, Ashok
Nagar,Kakinada - 533 003,Dist. East Godavari,
Andhra Pradesh. India. Ph 0884 - 2371649.Email
rmy_pranav_at_sancharnet.in
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