Here are a few options for a formal title, depending on the desired focus:
Most formal and precise:
“Proliferation of Fabricated Videos and Fraudulent Rescue Requests in Kumamoto via Social Media”
Alternative options:
- Focus on the threat: “The Dissemination of Misinformation and Deceptive Rescue Appeals in Kumamoto Amidst Crisis”
- Concise and authoritative: “Alarm Over Spreading Digital Misinformation and False Rescue Alerts in Kumamoto”
Recommendation: The first option is the most suitable for a formal report, news article, or academic context.