Advanced International Journal of Multidisciplinary Research

E-ISSN: 2584-0487

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Radio Communication System During the 2022 Mount Bulusan Eruption in Sorsogon, Philippines

Author(s) Mr. Alvin Paul S Habla, Dr. Rene N Rabacal
Country Philippines
Abstract In June 2022, the phreatic eruption of the Bulusan Volcano affected northwestern towns in Sorsogon, causing power outages, road closures, and forced evacuations. This study examines the role of the Very High Frequency (VHF) radio communication system in disaster response. Using a qualitative method—specifically, Focused Group Discussions (FGDs) and interviews—insights were gathered from key responders, village officials (barangay officials), and part-ner agencies with direct involvement. Thematic analysis was employed to identify key themes related to communica-tion effectiveness, system reliability, and operational challenges. Purposive sampling included diverse participants, utilizing both homogeneous groups for specific discussions and heterogeneous groups for varied perspectives. This study found that the VHF radio system enhanced coordination and information dissemination when cellular networks in Sorsogon became unavailable. These findings align with Cid et al. (2017): despite limited availability and weak signals in some areas, the resilience of VHF radio maintained communication inside and outside disaster zones. Fur-thermore, communities equipped with VHF radios enabled continuous communication at the local and municipal lev-els. Significant challenges, however, arose, such as weak signals in remote areas, limited radio availability, and delays in information flow. The findings of Andreastuti et al. (2023) suggest that community participation in collaboration with local leaders enhances local disaster response mechanisms, including VHF radio communication, before, during, and after disasters.
Keywords Mt. Bulusan Eruption, VHF Radio Communication, Disaster Response, One Tone-One Frequency System
Discipline Other
Published In Volume 4, Issue 1, January-February 2026
Published On 2026-02-20
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