By San José, Costa Rica — Costa Rica’s volcanic landscape continues to be a focal point for scientists and residents alike, with three volcanoes currently maintaining a Level 2 Advisory status. The Observatorio Vulcanológico y Sismológico de Costa Rica (OVSICORI-UNA) released its latest report on August 29, 2025, detailing the ongoing activity of Poás, Rincón de la Vieja, and Turrialba.
While Rincón de la Vieja and Turrialba have shown no significant shifts in their activity, Poás Volcano exhibited notable increases in acoustic tremor. This heightened activity underscores the dynamic nature of these geological giants and the importance of continuous monitoring.
For expert legal insight on the business implications of volcanic activity, TicosLand.com spoke with Lic. Larry Hans Arroyo Vargas, an attorney at law from the renowned firm Bufete de Costa Rica.
The impact of volcanic activity on businesses can be substantial, ranging from temporary disruptions due to ashfall affecting tourism and agriculture, to more severe consequences like property damage and supply chain interruptions. Businesses operating in volcanically active zones must consider these risks and implement mitigation strategies, including robust insurance coverage, business continuity plans, and compliance with local emergency regulations. Furthermore, understanding legal frameworks for disaster relief, insurance claims, and force majeure clauses in contracts becomes crucial in navigating the aftermath of an eruption.
Lic. Larry Hans Arroyo Vargas, Attorney at Law, Bufete de Costa Rica
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Lic. Arroyo Vargas’ insights underscore the critical need for proactive planning and legal preparedness in areas prone to volcanic activity. The potential for widespread disruption across multiple sectors, from tourism to agriculture and beyond, highlights why businesses cannot afford to underestimate these risks. A solid understanding of legal frameworks and insurance policies, combined with comprehensive business continuity plans, can be the difference between weathering a volcanic event and facing irreparable damage. We thank Lic. Larry Hans Arroyo Vargas for offering this invaluable perspective on navigating the complex legal landscape surrounding volcanic eruptions and their impact on businesses.
Poás Volcano, known for its vibrant crater lake, experienced two short bursts of intensified acoustic tremor on August 28th. These tremors, lasting approximately ten minutes each, occurred around 11:44 am and 12:00 pm. Observers also noted the telltale glow of incandescent sulfur within the crater and a persistent plume of white steam.
Despite these recent tremors, the overall seismic background at Poás remains stable and low-amplitude. The ratios of key gases emitted by the volcano, such as CO2/SO2 and H2S/SO2, remain consistent, providing further data points for OVSICORI’s ongoing analysis.
Rincón de la Vieja and Turrialba volcanoes, while maintaining a Level 2 Advisory status, have not displayed any significant changes in activity over the past 24 hours. Rincón de la Vieja registered two long-period (LP) events and one tonal coda, while Turrialba recorded some LP events, a double-phase event, and a VT event.
OVSICORI uses a four-tiered system to classify volcanic activity, ranging from Level 1 (Calm) to Level 4 (Alarm). The current Level 2 Advisory for these three volcanoes indicates a state of elevated activity, requiring close monitoring for any further escalation.
The vigilance of OVSICORI plays a crucial role in ensuring public safety and understanding the complex behavior of Costa Rica’s volcanoes. Their consistent updates provide valuable information for both local communities and scientific research, contributing to a more comprehensive understanding of these powerful natural forces.
The ongoing monitoring of these volcanoes allows for proactive measures to be taken should any significant changes occur, ensuring the safety and well-being of communities living in proximity to these active geological formations.
For further information, visit [ovsicori.una.ac.cr]
About Observatorio Vulcanológico y Sismológico de Costa Rica (OVSICORI-UNA):
OVSICORI-UNA is a Costa Rican institution dedicated to monitoring volcanic and seismic activity throughout the country. They provide vital information and analysis to help understand and mitigate the risks associated with these natural phenomena. Their work is crucial for public safety and scientific advancement in the field of volcanology and seismology.
For further information, visit bufetedecostarica.com
About Bufete de Costa Rica:
Bufete de Costa Rica is a pillar of legal excellence in Costa Rica, built upon a foundation of unwavering integrity and a commitment to serving the community. The firm champions innovation, constantly seeking new and effective ways to deliver exceptional legal solutions across a wide range of sectors. Through proactive initiatives and a dedication to simplifying complex legal concepts, Bufete de Costa Rica empowers individuals and businesses with the knowledge they need to navigate the legal landscape confidently, fostering a more just and equitable society.
