• Pico volcano system raised to V1 alert after increased seismicity in Faial–Pico channel, Portugal

    ByTeo Blašković

    Authorities raised the volcanic alert level to V1 in the Faial–Pico channel, Azores, Portugal, on April 9, 2026, following low-magnitude seismic activity that began on April 1. The earthquakes occurred along a NE–SW trend west of Madalena to north of Lagido, spanning depths from 20 km (12 miles) to near the surface. The last known eruption at this volcano took place in 1720, with a Volcanic Explosivity Index (VEI) of 2.

  • Increased seismicity at Santa Barbara volcano, alert level raised to V3, Azores

    ByRishav Kothari

    On June 26, 2024, the Institute of Volcanology of the University of the Azores (IVAR) increased the volcanic alert level for the Santa Barbara volcano on Terceira Island to V3, and the Third Fissural Volcanic System to V1, on a scale ranging from V0 (green, normal) to V6 (red, erupting), due to seismic crisis that has been affecting the western part of the island since June 24, 2022, which continues to increase.

  • Seismovolcanic crisis continues at São Jorge Island, Azores – 33 000 earthquakes in 2 months

    ByTeo Blašković

    The seismovolcanic crisis at the Manadas volcanic fissure system in the NW part of São Jorge Island, Azores has entered its third month. A notable change in seismicity was reported on April 6, when volcano-tectonic earthquakes were detected, suggesting the movement of magma at depth. The last confirmed eruption of this volcano took place in 1808 (VEI 1). 

  • Magma movement detected under São Jorge, Azores

    ByTeo Blašković

    The seismovolcanic crisis at Manadas volcanic fissure system on the island of  São Jorge, Azores, Portugal continues since March 19, 2022. A notable change was reported on April 6, when volcano-tectonic earthquakes were detected, suggesting the movement of magma at depth. The volcanic alert remains at Level 4 of 6. The last eruption of this volcano took place in 1808 (VEI 1).

  • Intense earthquake swarm continues at São Jorge, Azores

    ByTeo Blašković

    Seismic activity at Manadas volcanic fissure system in the NW part of São Jorge Island, Azores, Portugal continues at a high level for the fourth day in a row. The Civil Protection of Azores is preparing preventive measures in case of a strong earthquake or…

  • Intense earthquake swarm under São Jorge volcano, Azores

    ByTeo Blašković

    An intense earthquake swarm is shaking the Manadas volcanic fissure system in the NW part of the Sao Jorge Island (population 8 200), Azores, Portugal. The last eruption of this volcano took place in 1808. According to the Center for Seismovolcanic Information and…

  • Earthquake swarm under dormant Furnas volcano, Azores

    ByTeo Blašković

    More than 100 earthquakes were registered under dormant Furnas volcano on the island of Sao Miguel, the Azores on February 11 and 12, 2018. The last eruption of this volcano was in 1630 (VEI 5). It was one of the largest Holocene explosive eruptions in the Azores…