Formulas Flashcards by REYES, JOHNNY KING F.

Q

Distance of hypocenter (S)

A

t/(1/vs-1/vp)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Intensity of Earthquake (MMI)

A

log10(14)Vg/log10(2)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Magnitude of earthquake (M)

A

log10Ma-1.73log10(100/delta)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Moment magnitude (Mw)

A

2/3(log10Mo-9.1)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Seismic moment

A

MuLW*Slip

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Energy of an Earthquake

A

log10E=4.8+1.5Ms

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Equivalent earthquake magnitude(ML)

A

ML=2/3(Io)+1

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Velocity of P waves(Vp)

A

sqrt(E(1-v)/rho(1+v)(1-2v))

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Velocity of S waves (Vs)

A

sqrt(E/2rho(1+v))

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Shear modulus(G)

A

E/2(1+v)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly