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Portugal · Stratovolcano

Furnas

Type
Stratovolcano
Elevation
805m
Last eruption
1630
Furnas
Photo: José Luís Ávila Silveira/Pedro Noronha e Costa · Public domain · Wikimedia Commons
Type
Stratovolcano
Country
Portugal
Region
Atlantic Ocean / Azores-Terceira Rift Volcanic Province
Elevation
805m
Coordinates
37.770, -25.320
Last eruption
1630
Tectonic setting
Rift zone / Oceanic crust (< 15 km)
Landform
Composite
Major rock type
Trachyte / Trachydacite

Geological summary

Furnas volcano lies at the eastern end of Sao Miguel Island, immediately west of the older Nordeste shield volcano and its Povoaçao caldera.

Excerpt from the Global Volcanism Program, Smithsonian Institution · Read the full summary on GVP →

From Wikipedia

Furnas is a civil parish in the municipality of Povoação on the island of São Miguel in the Portuguese Azores. The population in 2011 was 1,439, in an area of 34.43 km2. The parish is one of the largest in the island and in the Azores. It is located east of Lagoa and Ponta Delgada, west of Povoação and southeast of Ribeira Grande.

Wikipedia · CC BY-SA · Read full article →

Eruption history

9 recordedGlossary

Record summary

Confirmed eruptions
9
Uncertain eruptions
0
Span of confirmed record
4570 BCE – 1630
Largest confirmed eruption
VEI 5 (1630, the most recent of 2)
Confirmed eruptions since 1900
0
Summary (VEI over time)
Click a bar to see individual eruptions · Use arrow keys to move between bars, Enter to open
4570 BCE~4363 BCE · 1 eruptions · max VEI ?1677 BCE~1470 BCE · 1 eruptions · max VEI ?437 BCE~230 BCE · 1 eruptions · max VEI ?23 BCE~183 · 1 eruptions · max VEI 5803~1010 · 1 eruptions · max VEI 41010~1217 · 1 eruptions · max VEI 41423~1630 · 3 eruptions · max VEI 54570 BCE3123 BCE1470 BCE23 BCE1423

Detailed timeline

  1. 1630VEI 5Observed
    1630-09-03 – 1630-11-02
    South end of caldera (Pico da Areia)
  2. 1441 (±2 yrs)VEI 4Observed
    1441 – end unknown
    Center of caldera (Gaspar)
  3. 1430 (±100 yrs)VEI 3Geological estimate
    1430 – end unknown
    East caldera floor
  4. 1170 (±100 yrs)VEI 4Geological estimate
    1170 – end unknown
    E caldera floor (Lake crater)
  5. 840 (±100 yrs)VEI 4Geological estimate
    840 – end unknown
    Center of caldera (Gaspar)
  6. 80 (±100 yrs)VEI 5Geological estimate
    80 – end unknown
    N floor of younger caldera
  7. 360 BCE (±150 yrs)VEI ?Geological estimate
    360 BCE – end unknown
  8. 1670 BCE (±1460 yrs)VEI ?Geological estimate
    1670 BCE – end unknown
  9. 4570 BCEVEI ?Geological estimate
    4570 BCE – end unknown
    East rim of caldera (Pico do Canário)

Nearby volcanoes

External links

⚠ For reference only. Not for emergency response.