Active Geophysical Monitoring

CONTENTS

Preface

Part I. General Concept and Historical Review

General Concept of Active Geophysical Monitoring

1 Seismicity Precursors for Active Monitoring of Earthquakes

1. Introduction

2. Seismicity Precursors

2.1. Parkfield M6, 2004

2.2. Loma Prieta M7.0 1989

2.3. Seismic noise

3. Discussion

3.1. Similarity of precursor patterns

3.2. Precursor mechanism

3.3. Probability and earthquakes

3.4. Active monitoring and earthquake prediction

3.5. Short-term predictions and earthquake triggering

4. Conclusions

Acknowledgments

References

2 Large-scale Geophysical Surveys of the Earth’s Crust Using High-power Electromagnetic Pulses

1. Introduction

2. General Concept of the Application of High-power Electromagnetic Pulses in Geophysical Surveys

3. Analysis ...