Executive Summary This paper examines the ontological insecurities faced by Syrian refugees in Turkey following the 2023 earthquakes. Ontological security refers to the security of being, encompassing a sense of confidence in the apparent stability of the world (p. 746). This concept is intimately linked to managing existential uncertainties and maintaining routines to ensure a sense of security. Previous literature indicates that uncertain situations, such as the COVID-19 pandemic and natural disasters, including earthquakes and floods, exacerbate ontological insecurities. Additionally, these challenging situations often intensify anti-refugee attitudes. Historically, the impact of earthquakes on individuals has been considered predominantly within the realm of physical security, a perspective critiqued by critical security scholars. In alignment with this critique, our study adopts an ontological security perspective to analyze the situations of Syrian refugees in Turkey post-earthquake, addressing a gap in the literature which has previously focused on the physical security aspects of Syrian refugees. While numerous studies documented the relationship between security and migration, fewer explored the nexus between ontological (in)security and migration in the context of natural hazards. This study addresses this gap by investigating how the recent earthquake heightened existing insecurities among Syrian refugees. Drawing on ontological security studies, narrative analysis, and data from in-depth, semi-structured interviews, the study finds that the vulnerabilities of Syrian refugees were intensified by the earthquake. Their perceptions of home, society, and future shifted significantly, decreasing their ontological security and exacerbating existing inequalities. Our findings suggest that the February 2023 earthquake posed threats to refugees beyond physical inadequacies, exacerbating the ontological insecurities of Syrian refugees in Turkey. This compounded their displacement-related existential anxieties and undermined their sense of stability and belonging by altering their perceptions of home, trust in public authorities, and their future. The earthquake significantly disrupted Syrian refugees’ understanding of “home” by compounding their sense of loss and insecurity, thereby challenging their ability to establish a stable, predictable environment essential for ontological security in Turkey. Furthermore, the earthquake altered Syrian refugees’ trust in public authorities. The government’s handling of the post-earthquake process significantly impacted refugees’ access to essential resources, with discriminatory practices and mobility restrictions amplifying their vulnerability and precariousness. The state’s crisis management capabilities and emphasis on border security, aimed at ensuring control, inadvertently increased refugees’ precariousness regarding their identity and future, leading to a loss of trust in public authorities. In addition to these challenges, the earthquake also changed Syrian refugees’ perception of their future in Turkey, causing them to question their safety and sense of belonging in the host society. Existing challenges faced by refugees were exacerbated by the earthquake and compounded by societal exclusion, further shattering their sense of stability and predictability. Post-earthquake, language barriers and stereotypes intensified, leading to increased discrimination and a reliance on informal survival networks, further diminishing their trust in the future. This heightened ontological insecurity, compounded by economic and social barriers, deepened divisions and made the refugees feel perpetually out of place, undermining their trust in Turkish institutions and society. Our suggestions and policy recommendations underscore the need for comprehensive policies that address both the physical and psychological dimensions of refugee well-being with reference to concrete policy designs in a post-disaster process. • To build trust in the post-disaster process for refugees, the government should ensure that central and local authorities distribute survival resources equally and transparently. • Clear communication channels must be implemented to keep affected communities informed about aid processes. • To address societal exclusion and improve refugees’ future outlook, the government should offer language training and translation services to help refugees navigate post-disaster process. • Providing critical information in multiple languages will ensure all community members are informed and can access aid. • Fostering community integration initiatives and supporting NGOs working specifically with refugees will promote interaction between refugees and host communities, building social cohesion. • Recognizing the importance of informal networks and incorporating them into formal aid structures, as well as supporting community-based organizations (particularly NGOs) that provide aid and support to refugees, is also essential.