Title: Basic Geophysics – A Visual Excerpt

Authors: David Lohner (Concept, Graphic Design, Layout and Implementation) (Author); Andreas Barth (Concept, Geophysical Content) (Author)
Years: 2017–2019
Licence: CC BY 4.0
Author comments: You'll find more information about the origins of this infographic and it's content on its bottom slides.

Basic Geophysics – Start

Unbenannt: Text

Have you ever wondered what
the inside of planet Earth is like?

Unbenannt: Text

Here you can find out how we, at KIT, explore our planet!

Basic Knowledge

[Image: Blinking Stars]

Unbenannt: Text

Basic Knowledge of Geophysics

Credits: by David Lohner (Author); licence CC BY 4.0

[Image: Earth]

The Structure of the Earth

[Image: Go to corresponding video]

Earthquakes – A Brief Introduction

[Image: Go to corresponding video]

Unbenannt: Text

The Structure of the Earth

Unbenannt: Text

Earthquakes
– A Brief Introduction

Plate Boundaries, Earthquakes, and Volcanoes

[Image: Go to corresponding video]

Unbenannt: Text

Plate Boundaries, Earthquakes, and Volcanoes

Unbenannt: Text

Earthquakes – A Brief Introduction

Unbenannt: Text

Have you ever felt an earthquake?

Explanation of fundamental terms describing an earthquake such as magnitude and intensity, presentation of applications of exploration seismics and seismology.

Back to Overview

Back

Next

Unbenannt: Text

The Structure of the Earth

Unbenannt: Text

What do have the Earth and an orange in common?

Thickness and wave velocities of the spherical layers of the Earth, travel time curves and travel paths through the Earth’s interior.

Back to Overview

Back

Next

Unbenannt: Text

Plate Boundaries, Earthquakes, and Volcanoes

Unbenannt: Text

How earthquakes and volcanoes are distributed on Earth?

Correlation between global earthquake and volcano distribution in the context of plate tectonics, different boundary types of lithospheric plates.

Back to Overview

Back

Observation and Exploration

[Image: INSAR]

Unbenannt: Text

Observation and Exploration From Near and Far

Earthquake Observation From Above

[Image: Go to corresponding video]

Unbenannt: Text

Earthquake Observation
From Above

[Image: Satellite]

Hammer Seismics

[Image: Go to corresponding video]

Unbenannt: Text

Hammer Seismics

Marine Seismics

[Image: Go to corresponding video]

Unbenannt: Text

Marine Seismics

Unbenannt: Text

Marine Seismics

Unbenannt: Text

How can new oil and gas fields be found under the sea floor?

Basic steps involved in marine data acquisition, working principle of airguns and hydrophones, example of a seismic survey under the North Sea.

Back to Overview

Back

Next

Unbenannt: Text

Earthquake Geodesy From Above

Unbenannt: Text

How do satellites measure earthquakes?

Function of the INSAR-technique, comparison with seismic methods, interpretation of deformation patterns, interview with Henriette Sudhaus.

Back to Overview

Back

Next

Unbenannt: Text

Hammer Seismics

Unbenannt: Text

How are seismic waves stimulated using a sledgehammer?

Measurement parameters and derived material properties in hammer seismics, instruments and function, structure of a measurement profile, application of the intercept time method.

Back to Overview

Back

Regional Examples

Vibroseis

[Image: Go to corresponding video]

Unbenannt: Text

Vibroseis

Earthquakes in Germany

[Image: Go to corresponding video]

Unbenannt: Text

Earthquakes in Germany

Unbenannt: Text

Regional Examples Application Examples of Seismology

The Princess and the Earthquakes

[Image: Go to corresponding video]

Unbenannt: Text

The Princess
and the Earthquakes

Unbenannt: Text

Landseismics – Vibroseis

Unbenannt: Text

How can we find subsurface structures for geothermal exploitation with the help of vibroseis trucks?

Operation principle and benefits of vibroseis measurements, generation of a sweep signal, processing by cross-correlation.

Back to Overview

Back

Next

Unbenannt: Text

Earthquakes in Germany

Unbenannt: Text

Where do we expect earthquakes in Germany?

Presentation of the four major earthquake zones in Germany, Exemplary major earthquakes, magnitude frequencies.

Back to Overview

Back

Next

Unbenannt: Text

The Princess and the Earthquakes

Unbenannt: Text

A fairy tale:
Can the candidate fulfil the task given by the prince?

Using historic documents to estimate earthquake frequencies, typical earthquake depths in the Upper Rhine Graben, relation of earthquake magnitude, macroseismic intensity, and hypocentral depth.

Back to Overview

Back

Global Examples

Unbenannt: Text

Global Examples Application Examples of Seismology

Shear Wave Splitting beneath Scandinavia

[Image: Go to corresponding video]

Unbenannt: Text

Shear Wave Splitting
beneath Scandinavia

Aftershocks in Ecuador

[Image: Go to corresponding video]

Unbenannt: Text

Aftershocks in Ecuador

Unbenannt: Text

Let's do some Science!

Earthquake Hazard of Chilean Wine

[Image: Go to corresponding video]

Unbenannt: Text

Earthquake Hazard
of Chilean Wine

Unbenannt: Text

To observe such phenomena like earthquakes
and to analyse the Earth's subsurface sensitive
instruments are necessary.

You can learn about some of them here!

Unbenannt: Text

Shear Wave Splitting

Unbenannt: Text

How can we access the structure of the Earth's core-mantel-boundary?

SKS and SKKS wave paths, the seismic ScanArray network in Finland, Sweden, Norway and Denmark, properties of the D'' layer, wave polarisation by anisotropy. Interview with Michael Grund.

Back to Overview

Back

Next

Unbenannt: Text

Aftershocks of the 2016 Ecuador Earthquake

Unbenannt: Text

What can we learn about a subduction zone from aftershock analysis?

Setup of an international seismic network, earthquake localisation within and outside the subducting slab, analysis of different focal mechanisms. Interview with Sergio Leon-Rios.

Back to Overview

Back

Next

Unbenannt: Text

Earthquake Hazard of Chilean Wine

Unbenannt: Text

How to determine seismic hazard and seismic risk?

4-step procedure to seismic hazard assessment using the example of Chile, interview with Andreas Schäfer.

Back to Overview

Back

Instruments

Unbenannt: Text

Geophysical Instruments

Operating Principle of Seismometers

[Image: Go to corresponding video]

Unbenannt: Text

Operating Principle of Seismometers

[Image: Go to corresponding video]

Geoelectrics

Unbenannt: Text

Geoelectrics

Sensitive Seismometers at the Black Forest Observatory

[Image: Go to corresponding video]

Unbenannt: Text

Sensitive Seismometers
at the Black Forest Observatory

Unbenannt: Text

Operating principle of seismometers

Unbenannt: Text

What oscillates in a seismometer?

Construction and operation principle of geophones and seismometers, effects of different oscillation frequencies on the measurement of ground motion, damping of the oscillating system.

Back to Overview

Back

Next

Unbenannt: Text

High-sensitivity Seismometers
at the Black Forest Observatory

Unbenannt: Text

Why is the seismometer installed in the mine tunnel?

Function, shielding and coupling of highly sensitive seismometers at the Black Forest Observatory (BFO), Interview with Thomas Forbriger.

Back to Overview

Back

Next

Unbenannt: Text

Geoelectrics

Unbenannt: Text

How does the subsurface alter an electric potential field?

Measurement parameters and derived material properties in geoelectrics, feeding of currents, measurement setup with electrical probes.

Back to Overview

Back

Science

Unbenannt: Text

What's Behind Geophysics?

[Image: Spinning Beach Ball]

[Image: Go to corresponding video]

How to Draw Focal Mechanisms

Unbenannt: Text

How to Draw Focal Mechanisms

Focal Mechanisms explained in a Quarry

[Image: Go to corresponding video]

Unbenannt: Text

Focal Mechanisms Explained in a Quarry

[Image: Shadow]

[Image: Seismogram]

[Image: Go to corresponding video]

Full Waveform Inversion (FWI)

Unbenannt: Text

Full Waveform Inversion (FWI)

[Image: Klammer]

Body Waves

Surface Waves

[Image: Go to corresponding video]

[Image: Go to corresponding video]

Unbenannt: Text

Body Waves

Unbenannt: Text

Surface Waves

Unbenannt: Text

How to Draw Focal Mechanisms

Unbenannt: Text

How earthquake ruptures are displayed as beachballs?

Concept and graphic construction of focal mechanisms as beachballs.

Back to Overview

Back

Next

Unbenannt: Text

Focal Mechanisms Explained in a Quarry

Unbenannt: Text

How does an earthquake work?

Types of focal mechanisms of earthquake sources explained using the on-site example of a fault zone in a quarry.

Back to Overview

Back

Next

Unbenannt: Text

Body Waves

Unbenannt: Text

How do earthquake waves propagate inside the Earth?

Propagation and oscillation properties of seismic P- and S-waves, correlation of wavelength and frequency, localisation of an earthquake.

Back to Overview

Back

Next

Unbenannt: Text

Surface Waves

Unbenannt: Text

How do earthquake waves propagate at the earth's surface?

Propagation and oscillation properties of seismic Rayleigh and Love waves, frequency dependent propagation velocity.

Back to Overview

Back

Next

Unbenannt: Text

Full Waveform Inversion (FWI)

Unbenannt: Text

Can seismics detect 300-year-old defences?

Function and technical implementation of the Full Waveform Inversion, use of the complete seismic amplitude and phase information, sample data and evaluation of the Ettlinger line.

Back to Overview

Back

Imprint

Unbenannt: Text

All of these Videos and many more with delightful insights to Geophysics at KIT are available on YouTube!

[Image: YouTube]

[Image: English Versions]

Unbenannt: Text

English V ideos

[Image: German Versions]

Unbenannt: Text

German V ideos

click here

Unbenannt: Text

For further information about this project in general, click here!

Unbenannt: Text

More Information about the project at the Center for Technology Enhanced Learning (ZML) (German)

More information about the course at the Geophysical Institute (English)

About this infographic

[Image: CC BY]

Unbenannt: Text

About This Project

Unbenannt: Text

This online course was produced by a small team at the Center for Technology Enhanced Learning (ZML).

Unbenannt: Text

This infographic is an excerpt of an online course originally developed for new master's students at KIT. It contains the main topics of the bachelor's programme in Geophysics. The course consists of 50 learning videos, quiz questions, and additional material within the topics of Seismology, Seismics, Applied Geophysics and additionally gives insights into the working groups at the Geophysical Institute.

You have any related questions? Just send an e-mail to one of us!

Unbenannt: Text

Andreas Barth
Author and Lecturer

Credits: by Lena Schöneberger (Author); licence C

[Image: Lena Schöneberger]

Unbenannt: Text

Lena Schöneberger
Instructional Design
& Video Production

Credits: by Andreas Barth (Author); licence C

[Image: Andreas Barth]

Credits: by Sarah Holstein (Author); licence C

[Image: Sarah Holstein]

Unbenannt: Text

Sarah Holstein
Instructional Design

Credits: by David Lohner (Author); licence C

[Image: David Lohner]

Unbenannt: Text

David Lohner
Video Production
& Graphic Design

Back to Overview

Back

Next

Unbenannt: Text

About This Infographic

Unbenannt: Text

This infographic was produced at the Center for Technology Enhanced Learning (ZML) of the Karlsruhe Institute of Technology (KIT).

Concept
David Lohner, Andreas Barth, Lena Schöneberger, Andreas Sexauer, Adnan Seithe

Graphic Design and Implementation
David Lohner

[Image: CC BY]

Unbenannt: Text

This interactive infographic is licensed under the Creative Commons Attribution 4.0 International License. To view a copy of this license, visit
http://creativecommons.org/licenses/by/4.0/. Please note that the linked videos may be licensed under different licenses.

Back to Overview

Back