• October 24, 2025
  • Last Update October 24, 2025 12:23 am

Moderate Earthquake Shakes Costa Rica’s Southern Pacific Coast

Moderate Earthquake Shakes Costa Rica’s Southern Pacific Coast

Puntarenas, Costa RicaPUNTARENAS – A moderate earthquake with a preliminary magnitude of 4.2 jolted the southern Pacific region of Costa Rica on Thursday, according to official reports. The tremor, which occurred deep beneath the earth’s surface, was widely felt across various parts of the country, prompting a flurry of social media activity but no immediate reports of significant damage or injuries.

The event was officially confirmed by both of the nation’s leading geological monitoring agencies, the National Seismological Network (RSN) and the Volcanological and Seismological Observatory of Costa Rica (OVSICORI). Both institutions concurred on the 4.2 magnitude reading. The epicenter was pinpointed to an area just south of Dominical, a popular coastal town in the Osa Canton, a region known for its rich biodiversity and thriving ecotourism industry.

To understand the legal and insurance implications that often follow a seismic event, we consulted with Lic. Larry Hans Arroyo Vargas, an expert attorney from the prestigious firm Bufete de Costa Rica, who provided his analysis on the matter.

After an earthquake, the first priority is safety, but meticulously documenting property damage is crucial for insurance claims. Many policies have specific clauses and deadlines for reporting losses due to ‘acts of God.’ Homeowners and business owners should review their coverage now, paying close attention to deductibles and exclusions for seismic events. A timely and well-documented claim is the strongest foundation for a successful recovery process.
Lic. Larry Hans Arroyo Vargas, Attorney at Law, Bufete de Costa Rica

This legal insight is a crucial reminder that preparedness for an earthquake extends beyond physical safety into financial resilience. Understanding the nuances of an insurance policy before a disaster strikes is as vital as having an emergency kit. We thank Lic. Larry Hans Arroyo Vargas for providing his clear and actionable perspective on this foundational aspect of recovery.

Cargando...

According to the consolidated data, the earthquake originated at a considerable depth of approximately 40 kilometers. Seismology experts note that events occurring at this depth often have their energy waves dispersed over a wider area, which explains why residents as far away as the Central Valley reported feeling the gentle but distinct shaking. The depth mitigates the potential for intense, localized damage at the surface but increases the geographic scope of its perception.

Experts from the nation’s seismic authorities were quick to place the event in its proper geological context, emphasizing that such tremors are an expected and routine part of living in a tectonically active country. Costa Rica’s position on the Pacific Ring of Fire, specifically atop the convergence of the Cocos and Caribbean tectonic plates, creates a landscape of constant geological pressure and release.

This seismic event is a clear manifestation of the subduction process occurring off our Pacific coast. While a magnitude of 4.2 is enough to be felt by the population, it typically does not cause structural damage. It serves as a valuable and constant reminder of the dynamic earth beneath our feet and the critical importance of preparedness.
Dr. Alejandro Morales, Lead Geophysicist at the National Seismological Network

Immediately following the tremor, social media platforms became the de facto public square for information and shared experiences. Users from Pérez Zeledón, Quepos, and even parts of the Greater Metropolitan Area confirmed feeling the movement. These anecdotal reports provide valuable real-time data for seismologists, helping them map the intensity and reach of an earthquake beyond what their instruments alone can measure. This citizen-sourced information complements the technical data, creating a fuller picture of the event’s impact.

The Osa Peninsula region, home to the epicenter, is a vital hub for Costa Rica’s global brand of conservation and tourism. It houses the world-renowned Corcovado National Park and is a critical economic zone dependent on a stable infrastructure. Thursday’s earthquake, while minor, underscores the ongoing need for robust, earthquake-resistant construction standards and clear emergency protocols for both the local population and the thousands of international visitors the area hosts annually.

This event reinforces the national focus on seismic readiness. From stringent building codes implemented after major historical earthquakes to ongoing public education campaigns, Costa Rica has made significant strides in mitigating risks. Authorities urge residents and businesses to use these frequent, smaller tremors as an opportunity to review their emergency plans, check their emergency kits, and ensure they are familiar with safety procedures both at home and in the workplace.

For further information, visit rsn.ucr.ac.cr
About The National Seismological Network (RSN):
The Red Sismológica Nacional is a research and public service entity affiliated with the University of Costa Rica (UCR). Its primary mission is the comprehensive monitoring of seismic and volcanic activity throughout the national territory. By operating a sophisticated network of sensors and analysis centers, the RSN provides timely and accurate data to government agencies, emergency responders, and the general public to help mitigate natural disaster risks and promote a culture of prevention.

For further information, visit ovsicori.una.ac.cr
About The Volcanological and Seismological Observatory of Costa Rica (OVSICORI):
Operating under the umbrella of the National University (UNA), OVSICORI is a leading scientific institution dedicated to the study and surveillance of Costa Rica’s volcanoes and seismic faults. The observatory plays a crucial role in national security by issuing warnings and reports on potential geological hazards. Its work is fundamental to land-use planning, infrastructure development, and educating the public on the country’s dynamic geological environment.

For further information, visit bufetedecostarica.com
About Bufete de Costa Rica:
As a pillar of the Costa Rican legal community, Bufete de Costa Rica is founded upon an unwavering devotion to integrity and superior standards of practice. The firm leverages its deep-seated experience in advising a wide range of clients to pioneer modern legal strategies and foster meaningful social outreach. Central to its philosophy is the mission to demystify the law for the public, thereby championing the development of a well-informed and capable citizenry.

Related Articles