Leveraging Media Campaigns for Disaster Risk Prevention

When disaster strikes, how people respond often depends on the information they receive before, during, and after the event. Media campaigns play a critical role in disaster risk prevention by educating communities about potential hazards, guiding protective actions, and providing life-saving information when emergencies unfold. From television broadcasts to community radio stations and social media alerts, effective communication can mean the difference between chaos and coordinated response.

The role of media in disaster risk reduction 🔗

Risk communication is integral to disaster risk reduction. According to the United Nations Office for Disaster Risk Reduction, failing to communicate about risk effectively can fuel rumours, erode trust, hamper solutions, and even increase risk. It can lead people to underestimate or ignore some hazards while overestimating others, thereby misallocating resources and endangering lives.

Media institutions, including broadcast, print, and digital outlets, perform essential functions throughout the disaster management cycle. In calm times, they raise public awareness of threats and shed light on risks. When disasters strike, media are instrumental to early warning dissemination and fostering public engagement in response and recovery processes. The Sendai Framework for Disaster Risk Reduction 2015-2030 specifically calls on media to strengthen the capacity of people, communities, countries, and systems to withstand shocks and build back better.

Pre-disaster communication: building awareness before emergencies 🔗

Pre-disaster media campaigns focus on educating the public about potential risks and preparing communities to respond appropriately when hazards occur. These campaigns operate during periods of relative calm, allowing time for thoughtful messaging and behaviour change.

Key objectives of preparedness campaigns 🔗

Risk awareness: Campaigns inform communities about the types of disasters most likely to affect their region, whether floods, earthquakes, cyclones, or disease outbreaks. Understanding local hazards is the foundation of effective preparedness.

Protective actions: Media messages guide people on specific steps they can take to protect themselves and their families. This includes creating emergency kits, identifying evacuation routes, and developing family communication plans.

Behaviour change: Research published in the PLOS Currents systematic review on disaster risk communication found that preparedness interventions using interactive discussion groups, educational games, and community participation approaches were effective at increasing knowledge and promoting protective behaviours.

For example, a community flood risk preparedness programme in Iran demonstrated remarkable results. Participants were much more likely to have taken recommended preparedness steps compared to people in areas without the intervention, with adjusted odds ratios ranging from 6 to 50 for outcomes such as having family preparedness meetings, risk mapping, maintaining emergency supplies, and conducting evacuation drills.

Post-disaster communication: guiding response and recovery 🔗

When disasters occur, communication needs shift dramatically. The focus moves from general awareness to urgent, actionable information that helps people protect themselves and access assistance.

Response phase messaging 🔗

During the immediate aftermath of a disaster, media campaigns serve several critical functions. They disseminate early warnings and evacuation orders to at-risk populations. They provide information about shelter locations, relief distribution points, and emergency services. They also offer health guidance to prevent secondary disasters such as disease outbreaks or injuries during cleanup.

A study of multi-media campaigns during a wildfire event in San Diego found that television was the most common medium for receiving health messages, reaching 77% of respondents, followed by radio at 7%. The messages reached 88% of respondents overall, demonstrating the power of coordinated media campaigns during emergencies.

Recovery phase communication 🔗

Post-disaster media campaigns continue playing vital roles during recovery. They encourage survivors to access mental health support services and provide information about reconstruction assistance programmes. Studies following Hurricane Katrina found that radio campaigns targeted at affected communities successfully increased calls to crisis help lines and improved understanding of post-traumatic stress symptoms.

Managing rumours and misinformation during disasters 🔗

One of the most significant challenges during disasters is controlling the spread of false information. Misinformation on social media during natural disasters has become a significant challenge, with the potential to increase public confusion, panic, and distrust.

How misinformation spreads 🔗

Research shows that misleading messages disseminated across social media platforms often outpace official communications. This results in reduced trust in authorities and exacerbates anxiety, stress, and fear among affected populations. The consequences include resource misallocation, overwhelmed emergency services, and attention diverted away from genuine needs.

According to the U.S. Department of Homeland Security, multiple motives lead people to post false information on social media. Some seek particular results, such as closing schools. Others desire attention with dramatic posts. Some push money-making scams or political agendas. Many innocently repeat bad or outdated information without verification.

Strategies for combating misinformation 🔗

Proactive communication: Risk communicators must proactively manage false and misleading information that can put people at risk. This means using rapid, regular, and transparent communication that fills information voids and helps people understand uncertainty early on through trusted channels.

Establishing trusted sources: Building trust takes time, consistency, and humility. Without it, even the best warning systems can fail. Emergency agencies should establish partnerships with local traditional media outlets before disasters occur, ensuring reliable channels exist for disseminating accurate information when crises unfold.

Monitoring and response: Emergency managers and social media specialists should actively monitor social platforms for misinformation and respond quickly with corrections. The RAND Corporation recommends that agencies post short, clear messages that cite official sources and communicate uncertainties honestly.

Rumour response pages: Some agencies, including FEMA, have created dedicated web pages to address common rumours during specific disasters. This centralised approach helps the public distinguish between verified information and false claims.

Strategies for effective media campaigns 🔗

Reaching vulnerable populations during disasters requires using multiple communication channels tailored to community needs and preferences.

Television and radio 🔗

Traditional broadcast media remain powerful tools for disaster communication. Television can reach wide audiences and deliver visual information that helps people understand complex situations. Research shows that 75% of households use television as their primary information source during emergencies.

Radio offers distinct advantages, particularly for reaching rural and underserved populations. Radio stations are often the only form of communication after a disaster when power outages disable other media. Community radio was widely acknowledged by UNESCO researchers as a vital channel for rural and vulnerable populations.

Print materials and direct communication 🔗

Despite digital advances, print materials remain important for disaster communication. Leaflets, posters, and direct mailings can reach populations with limited internet access. During the Gloucestershire water crisis in England, delivered notices were used alongside radio broadcasts to inform residents about drinking water safety.

Digital and social media 🔗

Social media platforms offer significant potential for disaster communication due to their extensive reach and high levels of user engagement. As of January 2024, over 5 billion people worldwide use social media, representing about 62.3% of the global population.

These platforms enable real-time updates, two-way communication with affected communities, and rapid dissemination of emergency alerts. Mobile apps and SMS text messaging can deliver targeted warnings directly to people in affected areas. During an outbreak of viral conjunctivitis in Taiwan, mass SMS text messages with infection control advice sent to 2.2 million mobile phone users contributed to faster resolution of the outbreak.

Multi-channel approaches 🔗

A multi-channel approach that uses both traditional and modern technologies is crucial for reaching diverse populations. This includes using radio, television, social media, mobile phones, and satellite communications together. Different populations prefer different information sources, so redundancy ensures messages reach everyone.

The 2025 Global Platform for Disaster Risk Reduction emphasised that when disasters strike, people often rely on local radio, television, or community messaging groups like WhatsApp for information rather than formal government alert systems alone. This recognition drives the importance of media partnerships as trusted intermediaries between experts and the public.

Reaching vulnerable populations 🔗

Effective disaster communication must account for the diverse needs of vulnerable groups. Persons with disabilities, women, and children are often left out in disaster communication. Addressing this requires producing accessible content, translating materials into multiple languages, and training local media working in local languages.

Research on digital vulnerability suggests that older adults, people with less education, and those with lower incomes may have difficulty accessing digital information. Strategies including digital literacy training and targeted communication campaigns should be considered to ensure risk communication reaches everyone.

Leveraging mediums that audiences prefer affords greater reach within vulnerable and disadvantaged communities. This means understanding local communication preferences through community engagement before disasters occur, then using those trusted channels when emergencies unfold.

Building media capacity for disasters 🔗

Media organisations themselves need preparation to function during emergencies. Infrastructure may be damaged, operations interrupted, and staff placed at risk. UNESCO is developing Model Disaster Preparedness and Response Plans for media institutions to help them maintain operations during crises and contribute to community resilience.

The UNDRR’s Media Saving Lives project, conducted in partnership with the World Broadcasting Unions, helped six media organisations establish new Standard Operating Procedures to ensure their continuity plans remain functional during disasters. When journalists in Tonga received training in disaster risk reduction and early warning systems, the effectiveness of that training was tested during the 2022 tsunami. Broadcasting Commission officials immediately went live on radio to inform people about the emergency.

What do you think? How prepared is your community to receive and act on emergency information? What communication channels would you trust most during a disaster, and are local authorities aware of those preferences?

References

1. https://www.undrr.org/risk-communication
2. https://www.preventionweb.net/news/media-face-disasters
3. https://pmc.ncbi.nlm.nih.gov/articles/PMC4172473/
4. https://pmc.ncbi.nlm.nih.gov/articles/PMC12313155/
5. https://www.dhs.gov/archive/science-and-technology/publication/st-frg-countering-false-information-social-media-disasters-and-emergencies
6. https://www.undrr.org/news/true-or-false-here-are-five-ways-manage-false-information-about-risk
7. https://www.rand.org/pubs/commentary/2024/10/a-different-kind-of-disaster-response-using-social.html
8. https://asprtracie.hhs.gov/technical-resources/79/risk-communications-emncy-public-information-and-warning/77
9. https://www.hstoday.us/featured/column-confronting-misinformation-during-disasters-strategies-for-crisis-communicators/
10. https://preparecenter.org/topic/social-media-disasters/
11. https://www.wipo.int/web-publications/green-technology-book-solutions-for-confronting-climate-disasters/en/communications-and-digital-coordination.html
12. https://globalplatform.undrr.org/news/global-platform-elevates-risk-communication-essential-disaster-risk-reduction
13. https://hazards.colorado.edu/mitigation-matters-report/disaster-risk-communication-and-digital-vulnerability-among-subsidized-housing-residents