# Geophysics

## PyGMT: High-Resolution Topographic Map in Python [Python]

A simple tutorial on how to plot high resolution topographic map using GMT tools in Python

## Plotting seismograms with increasing epicentral distance [Python]

Short demostration of how to plot the distance vs seismic waveforms and mark the P and S arrival times using the IASP91 earth model. Codes are included.

## Plotting track and trajectory of hurricanes on a topographic map [Python]

Short demostration of how to plot the track or trajectory of a hurricane on a map. Codes are included.

## Visualizing power spectral density using Obspy [Python]

Short demonstration of the ppsd class defined in Obspy using 3 days of data for station PB-B075

## Automatically Plotting Record Section for an Earthquake in the Given Time Range [Python]

Python code to automatically plot the record section for the highest magnitude earthquake in the given time range

## Numerical Tests on Travel Time Tomography [MATLAB]

Introduction to the concepts of tomography with equations and codes. Introduction to the concepts of overdetermined, underdetermined and mix-determined probl...

## Statistical Analysis [MATLAB]

Visualize the statistics of the data using MATLAB: mean, median, std, interquartile range, skewness, kurtosis, t-statistic

## Monte Carlo Simulation to test for the correlation between two dataset [MATLAB]

We test for the correlation coefficients or the covariance between two sets of random numbers selected from normal distribution using the Monte Carlo simulat...

## Hypothesis Test [MATLAB]

Using Randomization to test the disprove the null hypothesis

## Topographic map clipped by coastlines [Python]

This post demonstrate how to use Python to set up clip topographic map based on coastlines.

## Topographic map with shading [Python]

Generating GMT style shaded relief map in Python

## How to plot topographic station map [Python]

We read the station information from a file to plot the 1 arc-minute relief map

## Non-linear curve fitting to a model with multiple observational variables [MATLAB]

How to fit data to non-linear model

## Plotting 1 arc-minute global relief map [Python]

Plotting 1 arc-minute topographic map in python

## Estimation of the degrees of freedom of time series [Python]

Two time series with predominant linear trends (very low DOF) can have a very high correlation coefficient, which can hardly be construed as an evidence for ...

## GMT Advanced Tutorial II

Plotting publishable quality maps using generic mapping tools (GMT)

## Interactive data visualization [Python]

A basic to advanced guide to making interactive plots in Bokeh.

## GMT Advanced Tutorial

Plotting publishable quality maps using generic mapping tools (GMT)

## Why we should use generators? [Python]

Generators donâ€™t hold the entire result in memory. It yields one result at a time.