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Earthquake Focal Mechanism (Double Couple) Calculator

Easily calculate and compute earthquake focal mechanism (double couple) calculator with accurate equations, live formulas, and expert guidance.

Calculated Result
45 °

Auxiliary Fault Plane Dip Angle (delta_2)

Auxiliary Fault Plane Dip Angle (delta_2)

45 °

Primary Fault Dip Deg

45

Primary Strike Deg

120

Auxiliary Plane Dip Deg

45

Station Azimuth Deg

210

45 — °

Calculation Breakdown

  1. Applied FormulaConverts primary fault plane parameters (strike phi, dip delta, and rake lambda) into the conjugate auxiliary nodal plane and derives the principal pressure (P) and tension (T) axes.\hat{n} = [-\sin\delta \sin\phi, -\sin\delta \cos\phi, -\cos\delta], \quad \vec{u} = [\cos\lambda \cos\phi + \dots]

Focal Mechanism Double Couple Metric Output

Interactive visualization based on your current inputs

Calculated Value
0.011233445Auxiliary Fault Plane Dip Angle (delta_2)

What Is the Earthquake Focal Mechanism (Double Couple) Calculator?

This tool computes earthquake focal mechanism (double couple) calculator with high precision arithmetic.

How Does the Earthquake Focal Mechanism (Double Couple) Calculator Work?

Converts primary fault plane parameters (strike phi, dip delta, and rake lambda) into the conjugate auxiliary nodal plane and derives the principal pressure (P) and tension (T) axes.

Earthquake Focal Mechanism (Double Couple) Calculator Formula & Variables

The core mathematical equation utilized by this calculator is expressed as:

n^=[−sin⁡δsin⁡ϕ,−sin⁡δcos⁡ϕ,−cos⁡δ],u⃗=[cos⁡λcos⁡ϕ+… ]\hat{n} = [-\sin\delta \sin\phi, -\sin\delta \cos\phi, -\cos\delta], \quad \vec{u} = [\cos\lambda \cos\phi + \dots]

Converts primary fault plane parameters (strike phi, dip delta, and rake lambda) into the conjugate auxiliary nodal plane and derives the principal pressure (P) and tension (T) axes.

How to Use the Earthquake Focal Mechanism (Double Couple) Calculator

  1. Enter your parameters into the designated input fields to calculate the result immediately.

Step-by-Step Example Calculation

Earthquake Focal Mechanism (Double Couple) Calculator Example

Input Values:

primaryStrikeDeg:120
primaryDipDeg:45
primaryRakeDeg:90
stationAzimuthDeg:210
Worked Steps: Sample evaluation based on standard reference conditions.

Understanding Your Result

The calculated primary figure indicates the optimal or required °.

Factors That Affect the Result

  • Measurement tolerances, operational variance, and real-world conditions.

When Should You Use This Calculator?

  • Everyday budgeting, technical homework, professional estimation, and household projects.

Assumptions & Limitations

  • Assumes standard atmospheric or environmental parameters unless specified.

Frequently Asked Questions

Calculation Accuracy & Reference Note

Double-precision IEEE 754 arithmetic with validated empirical constants.

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