The Azores are a remarkable place to explore the connections between geology, oceanography, climate and biodiversity. Situated in the North Atlantic Ocean, the nine islands offer opportunities to understand how volcanic activity, marine environments and ecological processes shape life in an oceanic archipelago.
Nature and science are central to understanding the Azores. Beyond their landscapes, the islands are places of ongoing research, environmental change and conservation efforts involving scientists, institutions and local communities.
This section brings together accessible, evidence-based explanations of the natural world, with attention to what is known, what remains uncertain and why scientific research matters.
Volcanoes and geological history
The Azores were formed through volcanic processes associated with a complex tectonic setting in the North Atlantic. Their landscapes contain volcanic cones, craters, lava fields, calderas, caves and geothermal features that reveal different stages of geological development.
Volcanic activity has shaped each island in different ways. The Montanha do Pico, the Caldeira of Faial, the Capelinhos volcanic landscape and the geothermal areas of São Miguel are examples of the archipelago's varied geological heritage.
Studying these formations helps researchers understand the history of the islands, the processes occurring beneath them and the natural hazards associated with volcanic environments.
Earthquakes and natural hazards
The tectonic setting of the Azores makes earthquakes an important part of the archipelago's natural history. Seismic activity varies across the region and is monitored by scientific institutions.
Understanding earthquakes and volcanic hazards requires careful interpretation of observations and scientific evidence. Monitoring can improve knowledge and preparedness, but it does not allow scientists to predict every event precisely.
Our approach is to explain these subjects clearly, using reliable scientific information rather than speculation or alarming headlines.
Terrestrial biodiversity and island ecosystems
Oceanic islands provide valuable settings for studying biodiversity, evolution and ecological change. The Azores contain native and endemic species, as well as habitats shaped by volcanic terrain, climate and geographic isolation.
Native forests, peatlands, freshwater environments and coastal habitats support different ecological communities. Their condition is influenced by factors including land use, invasive species and environmental change.
Conservation work involves understanding these ecosystems, protecting vulnerable species and recognising the relationships between biodiversity and human activity.
Marine life and the Atlantic Ocean
The waters surrounding the Azores support a wide range of marine life, including whales, dolphins, seabirds, fish and diverse invertebrates.
The archipelago's position in the Atlantic makes it relevant to research on ocean circulation, marine ecology, migration and deep-sea environments.
Marine conservation also raises important questions about fisheries, shipping, tourism, protected areas and the long-term health of ocean ecosystems.
Climate, weather and water
The Azores have an oceanic climate influenced by Atlantic atmospheric and marine conditions. Rainfall, wind, humidity and seasonal changes affect landscapes, agriculture, transport and daily life.
Water plays a major role in the formation and maintenance of island environments, from crater lakes and streams to wetlands and coastal ecosystems.
Scientific research helps explain how weather patterns and longer-term climate changes may affect water resources, habitats, coastal areas and communities across the archipelago.
Protected areas and environmental conservation
The Azores include protected landscapes, marine environments and internationally recognised conservation areas. Several islands are UNESCO Biosphere Reserves, reflecting the importance of connecting environmental protection with sustainable human activity.
Conservation is not only about preserving scenery. It also involves ecological research, habitat restoration, monitoring, education and decisions about how natural resources are used.
Local communities, public institutions and researchers all have roles in understanding and caring for the archipelago's natural heritage.
Scientific research in the Azores
The islands provide opportunities for research in fields such as volcanology, seismology, oceanography, marine biology, ecology and climate science.
Scientific institutions and research teams investigate processes that matter both locally and internationally, from volcanic activity and biodiversity to changes in Atlantic marine environments.
Good science communication should explain how knowledge is produced, distinguish evidence from interpretation and acknowledge uncertainty when it exists.
Understanding nature across the nine islands
Each Azorean island contributes a different perspective to the natural history of the archipelago. Santa Maria preserves important geological records, Pico is dominated by Portugal's highest mountain, Faial records the recent eruption of Capelinhos, and Flores and Corvo contain distinctive volcanic and ecological environments.
These differences help explain why the Azores should be understood as a diverse archipelago rather than a single, uniform landscape.
Explore the individual islands through our guide to the nine islands of the Azores.
A growing science and nature journal
This page is the starting point for future articles about geology, wildlife, ocean science, climate, conservation and scientific discoveries related to the Azores.
As the journal develops, we will add carefully researched explanations, references to reliable sources and connections to the places and communities involved.
Our aim is to make the natural world of the Azores easier to understand, without oversimplifying the science or presenting uncertain claims as established facts.
Written from the islands. Open to the world.
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