1. INTRODUCTION

2. CHARACTERISTICS OF DISASTERS

3. DATA EXTRACTION AND FILTERING
3.1 Data Extraction
3.2 Data Filtering

4. WARNING VIA SOCIAL MEDIA
4.1 Event Prediction
4.2 Warning Systems

5. REFLECTION OF DISASTER IMPACT ON SOCIAL MEDIA
5.1 Language Change
5.2 Event Detection Methods

6. FACILITATING RESPONSE VIA SOCIAL MEDIA
6.1 Tracking Disasters
6.2 Situational Awareness

7. RELIEF ASSISTANCE VIA SOCIAL MEDIA
7.1 Crowdsourcing
7.2 Relief Tools
7.3 Ushahidi
7.4 AIDR
7.5 Tweet Tracker

8. CONCLUSION