my pathway in science and teaching

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My Pathway My Pathway in Science and in Science and Teaching Teaching Ali O. Oncel Ali O. Oncel Earth Science Department, KFUPM Earth Science Department, KFUPM Chile University, Department of Geophysics, June 25, 2008 Chile University, Department of Geophysics, June 25, 2008

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Page 1: My Pathway in Science and Teaching

My Pathway My Pathway

in Science and in Science and

TeachingTeaching

My Pathway My Pathway

in Science and in Science and

TeachingTeaching

Ali O. Oncel Ali O. Oncel Earth Science Department, KFUPMEarth Science Department, KFUPM

Chile University, Department of Geophysics, June 25, 2008Chile University, Department of Geophysics, June 25, 2008Chile University, Department of Geophysics, June 25, 2008Chile University, Department of Geophysics, June 25, 2008

Page 2: My Pathway in Science and Teaching

Global Work ExperienceGlobal Work ExperienceGlobal Work ExperienceGlobal Work Experience

Page 3: My Pathway in Science and Teaching

Academic Life - Academic Life -

ServicesServices

Academic Life - Academic Life -

ServicesServices

Page 4: My Pathway in Science and Teaching

Cited PapersCited PapersCited PapersCited Papers

Page 5: My Pathway in Science and Teaching

Contents of Presentation

Page 6: My Pathway in Science and Teaching

Teaching ExperiencesTeaching ExperiencesTeaching ExperiencesTeaching Experiences

Page 7: My Pathway in Science and Teaching

Graduate Classes Online

Geophysical Exploration Solid Earth Geophysics

http://solidearthgeophysics.pbwiki.com/http://geophysicalexploration.pbwiki.com/

Page 8: My Pathway in Science and Teaching

Introduction to Seismology

Introduction to Geophysics

Undergraduate Classes Online

http://seismology.pbwiki.com/ http://geophysics.pbwiki.com/

Page 9: My Pathway in Science and Teaching

Undergraduate Courses

Special Topics Seminar

http://geophysicsseminar.pbwiki.com/http://geophysicsseminar.pbwiki.com/http://specialtopics.pbwiki.com/

Page 10: My Pathway in Science and Teaching

Industry

Collaboration

University

Schlumberger Dhahran Carbonate

Research

KFUPMEarth Sciences

Department

Objective

Data ProcessingEarth Sciences

Department

Joint Data Acquisition

Report Presentation

Collaborative Teaching Model

Page 11: My Pathway in Science and Teaching

Submitted to Journal of Geosciences Submitted to Journal of Geosciences Education, 2007Education, 2007

Integrated Teaching Model

Page 12: My Pathway in Science and Teaching

Leading Senior Project

http://fieldgeophysics.pbwiki.com/

Page 13: My Pathway in Science and Teaching

Vp (m/s)

Mete

rs

Meters

Near Surface Refraction Tomography

Page 14: My Pathway in Science and Teaching

http://fieldgeophysics.pbwiki.com/ http://specialtopics.pbwiki.com/ http://seismology.pbwiki.com/ http://geophysicsseminar.pbwiki.com/ http://geophysicalexploration.pbwiki.com/ http://solidearthgeophysics.pbwiki.com/

http://fieldgeophysics.pbwiki.com/ http://specialtopics.pbwiki.com/ http://seismology.pbwiki.com/ http://geophysicsseminar.pbwiki.com/ http://geophysicalexploration.pbwiki.com/ http://solidearthgeophysics.pbwiki.com/

WEB 2 Teaching Tool

Page 15: My Pathway in Science and Teaching

Contents of Presentation

Page 16: My Pathway in Science and Teaching

Log N = a – b MLog N = a – b M

MAGNITUDE DISTRIBUTION

Log

N

0

1

2

3

4

0 2 4 6 8

MAGNITUDE

23-31°E

b-valueD15

D2

INTEREVENT DISTANCE R (KM)C

OR

RE

LA

TIO

N I

NT

EG

RA

L C

( R>r

)

2-10km

10-40km

Full range

Full range 1.44 1.102-10 km 1.73 1.2210-40km 1.40 1.01

Range D2 D15

4 16 64

Scene 1

4 16 64

Scene 1

4 16 64

Scene 1

D = 1.32

D = 0.93

r ~ 7

10

r

100

ND = 0.91

D = 1.31

r ~ 5

10

100N

1 10r

N

r

Seismicity-Fault Statistics

D (Fractal)-value D (Fractal)-value : : • DD22>D>D33>……>D>……>D1515

heterogeneous heterogeneous • DD22=D=D33=……=D=……=D1515

homogeneoushomogeneous

b-value b-value : : Material Material

heterogeneityheterogeneity• Applied shear stress Applied shear stress

levellevel• bbhighhigh ……>creeping ……>creeping• BBlow low …….> asperity…….> asperity

N = CrN = Cr-D-D

N : Occupied boxes' numberN : Occupied boxes' number r: the length of the box (r).r: the length of the box (r).

D (Fractal dimension)D (Fractal dimension): : DDhigh high > Intense > Intense

FaultingFaulting DDlow low > Clustering or > Clustering or

localizationlocalization

Page 17: My Pathway in Science and Teaching

-1.00

-0.80

-0.60

-0.40

-0.20

0.00

0.20

0.40

0.60

0.80

Area 1

Area 2

Area 3

5.00 to 6.00

6.00 to 7.00

1998-2003

M=6.22003.07.26

M=5.52003.07.26

31

34

37

40

132 135 138 141 144

PACIFIC PLATE

M7.0, 1600-1997

5.7M6.9, 1885-1997

4.1M5.6, 1926-1997

Completeness

JAPAN SEA

PHILIPPINE SEA PLATE

N

Line 2

Line 1

Line 3

Shikoku

Honshu

200km

200k

m

(Oncel, Wilson and Nishizawa, JGR-2001)(Oncel, Wilson and Nishizawa, JGR-2001)

ISTL ISTLISTL

MTL

MTL

b-value

D D

b-valueb-value

D

Seismicity-Fault

Page 18: My Pathway in Science and Teaching

A FR IC AN PLA TE

8

B LA CK SEA

3

1

24

9

8 7

6 5

1312

11 10

15 14

1617

18

19

20

21

24

M >2.9h< 39km1981-1988

Shear ZoneExtensional ZoneCom pressional ZoneGPS control points

23 24 25 26 27 28 29 30 3133

34

35

36

37

38

39

40

41

42

43

Mw 6.4 1995

Mw 5.8 1997

Mw 6.6 1982

Mw 6.6 1983

Mw 6.8 1981

Mw 6.2 1996

Mw 5.6 1996

25

Mw 5.5 1994

22

23

D2 D15 D2 D15 D2 D15 b ML-

MU

Shear

Dilitation1 1.44 1.1 1.73 1.22 1.4 1.01 1.51 2.6-5.0 161.79 19.38

2 1.43 1.07 1.81 1.33 1.43 1.12 1.39 2.6-5.5 201.07 3.633 1.62 1.42 1.9 1.28 1.49 1.26 1.47 3.1-4.8 164.82 12.884 1.24 0.84 1.86 1.5 1.02 0.64 1.11 3.5-6.0 191.60 25.857 1.53 1.24 1.94 1.48 1.48 1.23 1.24 3.2-6.0 101.71 55.878 1.32 0.86 1.85 1.13 1.37 0.92 1.16 3.2-4.9 189.45 3.889 1.18 0.83 1.86 1.4 1.14 0.64 0.97 3.0-5.3 146.38 11.555 1.07 0.73 1.85 1.59 0.95 0.57 1.75 2.6-4.7 41.02 36.216 1.33 0.92 1.81 1.56 1.22 0.78 1.81 2.7-4.8 78.75 33.68

10 0.89 0.58 1.46 0.95 0.87 0.46 1.35 3.0-4.8 70.32 44.6911 1.48 1.2 1.83 1.37 1.53 1.24 1.39 3.0-5.8 102.35 40.9612 1.52 1.26 1.89 1.37 1.53 1.39 1.5 3.2-5.1 72.75 75.8313 1.36 1 1.86 1.71 0.75 0.41 1.1 3.1-5.5 89.26 25.5114 1.4 1.08 1.79 1.26 1.4 1.19 1.32 2.9-5.5 78.81 53.6615 1.57 1.26 1.93 1.36 1.59 1.31 1.28 3.1-5.4 78.25 54.3916 1.38 0.99 1.42 0.97 1.24 0.94 1.4 3.1-5.4 47.99 38.1217 1.42 1.05 1.78 1.44 1.37 1 1.22 3.2-5.4 50.59 37.2218 1.61 1.32 1.9 0.81 1.64 1.43 1.25 3.6-4.9 58.89 80.9119 1.43 1.18 1.88 1.16 1.2 0.88 0.67 3.5-5.2 38.75 22.0920 1.74 1.5 1.81 1.04 1.77 1.64 1.44 3.5-5.3 68.88 20.7621 1.44 1.09 1.79 1.51 0.92 0.55 1.21 3.7-5.0 95.04 18.2722 1.68 1.38 1.87 1.12 1.63 1.39 1.49 3.2-4.6 54.22 10.2123 1.63 1.04 1.82 1.27 1.61 0.99 1.24 3.8-5.7 107.79 -22.8724 1.65 1.23 1.57 0.93 1.75 1.47 1.08 3.7-5.5 103.39 -40.3925 1.45 1.09 2 1.07 1.55 1.08 1.21 3.5-5.8 75.28 -16.12

Local Variations of Complex Local Variations of Complex Variables Variables

Page 19: My Pathway in Science and Teaching

Shear Zone: Seismic b-value and D value are positively related. Extensional Zone: Seismic Clustering (D) correlates positively with Dilatation.

Compressional Zone: Seismic b value correlate negatively with shear.

AnatoliaOkay et al., 2000

Geodetical strain and earthquake Geodetical strain and earthquake hazard:hazard:

Example from western Turkey Example from western Turkey

Page 20: My Pathway in Science and Teaching

26.5 27 27.5 28 28.5 29 29.5 30

40

40.5

41

7.3<Ms<8.0 7.0<Ms<7.3 6.8<Ms<7.0

15

7

6

5

4

3 2 1

11

109

8

13

12

14

4.3<MD<5.0 3.6<MD<4.3 2.9<MD<3.6

1991-1999 32-1999

Seismic b-value and average dilatation are positively related (r=0.5, p=0.05). D2 correlates negatively with maximum Geodetic Strain and Shear Strain (r=-0.56. p=0.03 and r=-0.56, p=0.02).

NAFZ in the Sea of Marmara

Seismicity -Strain

Page 21: My Pathway in Science and Teaching
Page 22: My Pathway in Science and Teaching

Seismic b-value and average dilatation are positively related (r=0.5, p=0.05). D2 correlates negatively with maximum Geodetic Strain and Shear Strain (r=-0.56. p=0.03 and r=-0.56, p=0.02).

Page 23: My Pathway in Science and Teaching

Asperity based Hazard Model

TTLL(M) = dT/10 (M) = dT/10 (a-bM)(a-bM)

Oncel and Wyss, 2000Oncel and Wyss, 2000

Page 24: My Pathway in Science and Teaching

Asperity Hazard Model

Maps of recurrence interval are shown for (a) Hs = Maps of recurrence interval are shown for (a) Hs = 12.5km over the region of analysis conducted by 12.5km over the region of analysis conducted by Oncel and Wyss (2000) and (b) Hs =4km .Oncel and Wyss (2000) and (b) Hs =4km .

Geodetical Moment Rate Geodetical Moment Rate Kostrov 1974Kostrov 1974

Geodetical Strain Rate Geodetical Strain Rate Ward, 1994Ward, 1994

Oncel and Wilson, 2006Oncel and Wilson, 2006

NBFNBFCMFCMF

Page 25: My Pathway in Science and Teaching

100 km

Mw=6.605/10/1985

Mw=6.823/12/1985

68

66

64

62

-136 -134 -132 -130 -128 -126 -124 -122

3.30 to 4.50

4.50 to 6.00

6.00 t0 8.00

CANADA

CORDILLERA

MACKENZI E MTNS

N.W.T

Mw=6.225/03/1988

0.00>M>2.50

2.50>M>4.00

4.00>M>6.90

13-15 October-1985

Nahanni 5 oct

Coulomb Stress Change (bar) - µ'=0.4 Coulomb Stress Change (bar) - µ'=0.4

A A'

Nahanni 5 OctNahanni 23 Dec

B B'

a)

-3.0 1.5 0.0 1.5 3.0-0.1 -0.05 0.0 0.05 0.1

1

1

2Nahanni 23 Dec

2

12

Depth=8 km

0

10

20

30

0

10

20

30

0 20 40 60 0 50 100 150

150

100

50

0

Nahanni 5 oct 1

2Nahanni 23 Dec

25 km

Depth

(km

)D

epth

(km

)Coulomb Stress Change (bar) - µ'=0.4 Coulomb Stress Change (bar) - µ'=0.4

-3.0 1.5 0.0 1.5 3.0-0.1 -0.05 0.0 0.05 0.1

25 March, 1988

A A'

B B'

c)

1

12

5 Oct 1

223 Dec

2

0.00>M> 2.50

2.50>M> 4.00

4.00>M> 6.90

3

14/08/1974 M=4.1

14/01/1977 M=2.8

25 March, 1988

21

4

Depth=8 km

0

10

20

30

0

10

20

30

0 20 40 60 0 50 100 150

150

100

50

0

5 Oct 1

223 Dec

25 km

25 March, 1988

Depth

(km

)D

epth

(km

)

A A'

B B'

b)

1 2

12

0.00>M> 2.50

2.50>M> 4.00

4.00>M> 6.90

5 Oct23 Dec

1986 J anuary1986 September

Depth=8 km

0

10

20

30

0

10

20

30

150

100

50

0

5 Oct 1

223 Dec

5 Oct 1

223 Dec

25 km

Antithetic lobe

Depth

(km

)D

ep

th (k

m)

Coulomb Stress Change (bar) - µ'=0.4 Coulomb Stress Change (bar) - µ'=0.4

-3.0 1.5 0.0 1.5 3.0-0.1 -0.05 0.0 0.05 0.1

-0.20

0.00

0.20

0.40

0.60

0.80

1.00

1.20

1.40

1.60

1.80

2.00

2.20

2.40

2.60

2.80

3.00

3.20

3.40

0.00

0.20

0.40

0.60

0.80

1.00

1.20

1.40

1.60

1.80

2.00

2.20

2.40

2.60

2.80

3.00

3.20

3.40

0.20 0.00 0.12 1.40 1.57 2.47 2.97 2.55 2.75 1.02 0.56 1.37 0.14 0.00 0.00

0.07 0.00 0.20 1.45 0.53 0.29 0.70 0.42 1.52 0.22 0.00 0.37 0.47 0.00 0.00

0.43 0.37 0.09 0.46 1.24 0.42 0.64 0.85 1.55 0.95 0.00 0.90 0.63 0.00 0.11

0.09 0.02 0.88 3.14 2.89 1.84 1.00 0.50 1.63 2.24 0.00 0.18 0.00 0.00 0.00

0.00 0.37 2.16 2.31 2.08 0.14 0.00 1.49 1.06 0.80 0.26 1.06 0.31 0.00 0.00

0.00 0.44 0.00 2.27 3.29 0.00 0.00 0.78 0.55 0.00 0.00 0.90 0.70 0.00 0.12

0.05 0.00 0.00 2.04 3.83 0.00 0.00 0.61 0.30 0.00 0.00 0.00 0.22 0.00 0.62

0.01 0.00 0.00 0.46 2.79 0.00 0.00 0.00 0.00 0.17 0.24 0.07 0.00 0.00 0.00

0.17 0.00 0.00 0.00 0.20 0.00 0.00 0.00 0.27 0.14 0.00 0.00 0.00 0.01 0.00

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.39 0.00 0.22 0.06

0.34 0.92 2.20 2.45 1.17 0.97 0.06 1.42 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

0.03 0.52 0.39 0.81 1.65 1.37 0.99 1.34 1.93 0.98 0.70 0.03 0.09 0.00 0.00 0.00 0.00 0.00

0.14 0.00 0.22 0.26 0.43 0.60 2.03 3.49 0.43 0.57 0.17 0.36 0.52 0.86 0.83 0.41 0.92 0.53

0.21 0.02 0.00 0.00 0.00 1.21 4.84 3.56 2.15 1.17 0.92 0.68 1.65 0.38 0.71 0.18 0.22 0.00

0.00 0.00 0.00 0.00 0.00 0.40 2.41 0.22 0.20 0.64 1.02 1.51 0.68 1.57 0.00 0.00 0.02 0.00

0.00 0.00 0.00 0.00 0.00 0.08 1.80 0.76 0.64 0.36 0.02 0.00 0.00 0.18 0.25 0.00 0.00 0.00

0.00 0.00 0.00 0.00 0.00 0.00 1.01 2.27 3.22 0.50 0.20 0.22 0.09 0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.73 3.51 0.97 0.00 0.00 0.23 0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.21

a) 0 km 40

b) 0 km 48

0.2

km

17.4

2

km

20

Dis

tanc

e D

own

Dip

D

ista

nce

Dow

n D

ip

Slip(m)

Slip(m)

Distance Along Strike

-0.20

0.00

0.20

0.40

0.60

0.80

1.00

1.20

1.40

1.60

1.80

2.00

2.20

2.40

2.60

2.80

3.00

3.20

3.40

0.00

0.20

0.40

0.60

0.80

1.00

1.20

1.40

1.60

1.80

2.00

2.20

2.40

2.60

2.80

3.00

3.20

3.40

0.20 0.00 0.12 1.40 1.57 2.47 2.97 2.55 2.75 1.02 0.56 1.37 0.14 0.00 0.00

0.07 0.00 0.20 1.45 0.53 0.29 0.70 0.42 1.52 0.22 0.00 0.37 0.47 0.00 0.00

0.43 0.37 0.09 0.46 1.24 0.42 0.64 0.85 1.55 0.95 0.00 0.90 0.63 0.00 0.11

0.09 0.02 0.88 3.14 2.89 1.84 1.00 0.50 1.63 2.24 0.00 0.18 0.00 0.00 0.00

0.00 0.37 2.16 2.31 2.08 0.14 0.00 1.49 1.06 0.80 0.26 1.06 0.31 0.00 0.00

0.00 0.44 0.00 2.27 3.29 0.00 0.00 0.78 0.55 0.00 0.00 0.90 0.70 0.00 0.12

0.05 0.00 0.00 2.04 3.83 0.00 0.00 0.61 0.30 0.00 0.00 0.00 0.22 0.00 0.62

0.01 0.00 0.00 0.46 2.79 0.00 0.00 0.00 0.00 0.17 0.24 0.07 0.00 0.00 0.00

0.17 0.00 0.00 0.00 0.20 0.00 0.00 0.00 0.27 0.14 0.00 0.00 0.00 0.01 0.00

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.39 0.00 0.22 0.06

0.34 0.92 2.20 2.45 1.17 0.97 0.06 1.42 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

0.03 0.52 0.39 0.81 1.65 1.37 0.99 1.34 1.93 0.98 0.70 0.03 0.09 0.00 0.00 0.00 0.00 0.00

0.14 0.00 0.22 0.26 0.43 0.60 2.03 3.49 0.43 0.57 0.17 0.36 0.52 0.86 0.83 0.41 0.92 0.53

0.21 0.02 0.00 0.00 0.00 1.21 4.84 3.56 2.15 1.17 0.92 0.68 1.65 0.38 0.71 0.18 0.22 0.00

0.00 0.00 0.00 0.00 0.00 0.40 2.41 0.22 0.20 0.64 1.02 1.51 0.68 1.57 0.00 0.00 0.02 0.00

0.00 0.00 0.00 0.00 0.00 0.08 1.80 0.76 0.64 0.36 0.02 0.00 0.00 0.18 0.25 0.00 0.00 0.00

0.00 0.00 0.00 0.00 0.00 0.00 1.01 2.27 3.22 0.50 0.20 0.22 0.09 0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.73 3.51 0.97 0.00 0.00 0.23 0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.21

a) 0 km 40

b) 0 km 48

0.2

km

17.4

2

km

20

Dis

tanc

e D

own

Dip

D

ista

nce

Dow

n D

ip

Slip(m)

Slip(m)

Distance Along StrikeDistance Along StrikeDistance Along Strike

Oncel, 2002 and 2007Oncel, 2002 and 2007

Coulomb stress and aftershocks: Example from western Canada

Page 26: My Pathway in Science and Teaching

Almost 1000 stations in Japanese Islands daily measurement of location with Almost 1000 stations in Japanese Islands daily measurement of location with accuracy of 1[cm]accuracy of 1[cm]

1 3 0 Ê 1 4 0 Ê3 0 Ê

4 0 Ê

GPS Earth Observation Network GPS Earth Observation Network (GEONET)(GEONET)

Page 27: My Pathway in Science and Teaching

WAKUYA

OSHIKA

ONAGAWA

RIFU

MIYAGITAIWA

140.9 141 141.1 141.2 141.3 141.4 141.5

38.2

38.3

38.4

38.5

38.67.5 km

Mw=6.0, 2003/07/26 07:13Mw=5.2, 2003/07/26 16:56

Mw=5.3, 2003/07/25 00:13

GPS Stations

Aftershocks of M>1.7July 26-September 22

YAMOTO

SHIKAMA

0 2 4 6 8 10 12 14

-15

-10

-5

0

Dep

th [k

m]

Distance [km]

B B'

0 5 10 15 20

-15

-10

-5

0

Dep

th [

km]

Distance [km]

A A'

Aftershocks of July 26, 2003 Aftershocks of July 26, 2003 (M(Mww=6.0) GPS-local stations=6.0) GPS-local stations

Page 28: My Pathway in Science and Teaching

2002 2003 2004

0

1

2

0

10

20

30

40

TIME (Julian)

DIS

TU

RB

ING

ST

RE

SS

RA

TE

(M

Pa) DISTURBING STRESS RATE

Miy -Wak-Yam Osh-Ona-Yam Osh-Rif -Yam Rif -Miy -Yam Wak-Ona-Yam

MRI

M6.2

M7.0

MR

I=M

*100

/R

=0.8 WAKUYA

OSHIKA

ONAGAWA

RIFU

MIYAGITAIWA

140.9 141 141.1 141.2 141.3 141.4 141.5

38.2

38.3

38.4

38.5

38.67.5 km

Mw=6.0, 2003/07/26 07:13Mw=5.2, 2003/07/26 16:56

Mw=5.3, 2003/07/25 00:13

GPS Stations

Aftershocks of M>1.7July 26-September 22

YAMOTO

SHIKAMA

Stress - AsperityStress - Asperity

Page 29: My Pathway in Science and Teaching

Oncel and Wilson - 2007Oncel and Wilson - 2007

Anomalous seismicity

Page 30: My Pathway in Science and Teaching

Anomalous seismicity preceding the 1999 Izmir event

Page 31: My Pathway in Science and Teaching

Contents of Presentation

Page 32: My Pathway in Science and Teaching

Fluid effects of time-lapse seismic Fluid effects of time-lapse seismic velocity: An experimental studyvelocity: An experimental study

Consultant: Osamu NishizawaConsultant: Osamu NishizawaExploration Geophysics Research Group, Advanced Industrial Science Exploration Geophysics Research Group, Advanced Industrial Science and Technologyand Technology

Page 33: My Pathway in Science and Teaching

Fluid Effects of 4D Seismic Wave Propagation through Rocks

Forecasting Study for Seismic Mechanism in Saudi Arabian Oil Fields Area

Seismology - Rock Physics

Page 34: My Pathway in Science and Teaching

AppreciationAppreciation

Osamu NishizawaOsamu NishizawaMr.KonishMr.Konish

ii

Page 35: My Pathway in Science and Teaching

Particle velocity at the surfaceParticle velocity at the surface

(Laser DopplerVibrometer)(Laser DopplerVibrometer)

LD

VL

DV

Wave MemoryWave Memory

PCPC

500

mV

500

mV

Waveform GeneratorWaveform GeneratorSampleSample

FluidFluid ContainerContainer

PZTPZT

Synthesizer & Amp.Synthesizer & Amp.

Optical unit of LDVOptical unit of LDV

reflection sheetreflection sheet

Fluid effects of time-lapse seismic Fluid effects of time-lapse seismic velocity: An experimental studyvelocity: An experimental study

Page 36: My Pathway in Science and Teaching

y = 30.03x-0.75

R² = 0.909y = 27.43x-0.64

R² = 0.578

0

10

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100

0.00 2.00 4.00 6.00 8.00

% Ch

ange

Time in Hours

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Series2

Power (Series1)

Power (Series2)

y = 9.258x-0.70

R² = 0.978y = 9.833x-0.43

R² = 0.918

0102030405060708090

100

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ange

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Series2

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Velocity Saturation

Shirahama

Sand Stone

Porosity: 13 %

Izumi Sand Stone

Porosity: 6.5 %

% C

hang

e%

Cha

nge

Porosity Effecting Seismic VelocityPorosity Effecting Seismic VelocityWater InjectionWater Injection

Page 37: My Pathway in Science and Teaching

Shirahama Porosity: %13Shirahama Porosity: %13

y = 9.258x-0.70

R² = 0.978y = 9.833x-0.43

R² = 0.918

0102030405060708090

100

0.00 2.00 4.00 6.00 8.00

% Chan

ge

Time in Hours

Series1

Series2

Power (Series1)

Power (Series2)

Water Injection Water Injection y = 8.956x-0.67

R² = 0.707y = 8.956x-0.67

R² = 0.707

010

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90100

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ge

Time in Hours

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Series2

Power (Series1)

Power (Series1)

Power (Series2)

Oil InjectionOil Injection

Velocity Saturation

% C

hang

e%

Cha

nge

Fluid Effected Seismic VelocityFluid Effected Seismic Velocity

Shirahama

Sand Stone

Porosity: 13 %

Page 38: My Pathway in Science and Teaching

Forecasting Study for Seismic Mechanism in Saudi Arabian Oil Fields Area

Consultant: Prof. Manabu HashimotoConsultant: Prof. Manabu HashimotoDPRI, Kyoto UniversityDPRI, Kyoto University

Page 39: My Pathway in Science and Teaching

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SOLAJun.14,2003 - Jan.10,2004

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E-W N-S U-D

YIBLJun.14,2003 - Jan.10,2004

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E-W N-S U-D

NAMAJun.14,2003 - Jan.10,2004

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E-W N-S U-D

BAHRJun.14,2003 - Jan.10,2004

Lack of High Quality Data within the Saudi Arabian Oil Fields Area

Page 40: My Pathway in Science and Teaching

Station number GE 5

49Ê 50Ê 51Ê 52Ê 53Ê 54Ê 55Ê

27Ê

28Ê

29Ê

30Ê

31Ê

32Ê

33Ê

20 km

-2e-007 -1e-007 0 1e-007 2e-007

/yr

Contraction

Extension

5E-7 [/yr] Main Zagros Reverse Fault

Kazeru

nF

ault

Persian GulfArabian Platform

Analysis of High Quality Data through the Zagros Thrust Zone

Page 41: My Pathway in Science and Teaching

Possible Future Works

Asperity based Seismic HazardAsperity based Seismic HazardGeodetical Seismic HazardGeodetical Seismic HazardRefraction Seismic TomographyRefraction Seismic TomographyRefraction MicrotremorRefraction MicrotremorExperimental GeophysicsExperimental Geophysics