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Volcanoes of Atlantic Ocean (28)

Cabo Verde (5 volcanoes)

Brava | Fogo | Santo Antao | Sao Nicolau | Sao Vicente
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Significant volcanic eruptions: Atlantic Ocean

In historic times, at least 6 volcanoes have been active in Atlantic Ocean, including Fogo, Nightingale Island, and Walvis Ridge at 33°S volcanoes. A total of 22 eruptions have been witnessed and documented since around 1500 AD.
The table below lists the most recent volcanic eruptions, significant eruptive episodes or related events in Atlantic Ocean since 1700.
DateVolcanoVEIRegionDeathsDamage
2014 Nov 23 - 2015 Feb 8Fogo
WSW base of Pico
2Cape Verde
2014 Nov 23
(eruption 2014 Nov 23 - 2015 Feb 8)
Fogo0Cape Verde
moderate
Info
2004 Jul 29 - Jul 30Nightingale Island
Submarine SE flank
0Southern Atlantic Ocean, United Kingdom
2001 Nov 24 - 2002 Mar 16 ±15 d.Walvis Ridge at 33°S
Seamount NW of Wüst seamount
0Southern Atlantic Ocean
1995 Apr 2 - May 26Fogo
WSW flank of Pico
2Cape Verde
1995 Apr 2
(eruption 1995 Apr 2 - May 26)
Fogo2Cape Verde
light
Info
1985 Jan 6 - Jan 9Jan Mayen
Beerenberg (NE flank, 0-200 m)
0Jan Mayen Island, Norway
1973 Jan 15 ±45 d.Jan Mayen
Beerenberg (NE flank, Skrukkelia)
1Jan Mayen Island, Norway
1970 Sep 18 - 1972 ?Jan Mayen
Beerenberg (NE & SW flanks, summit)
3Jan Mayen Island, Norway
1961 Oct 10 - 1962 Mar 15Tristan da Cunha
North flank
2Southern Atlantic Ocean, United Kingdom
1951 Jun 12 - Aug 21Fogo
Northwest and south caldera floor
2Cape Verde
1909Fogo?Cape Verde
1865 Jul 9Pico Fracture Zone?Northern Atlantic Ocean
1857 Jun 27 - Dec 15Fogo
SSE caldera floor
2Cape Verde
1852 Feb 19 - Mar 30 ?Fogo
NNW caldera floor
2Cape Verde
1851 ±30 y.Jan Mayen
Beerenberg (Kokssletta, NE flank)
?Jan Mayen Island, Norway
1847 Apr 9 - May 2 ?Fogo
North caldera floor
2Cape Verde
1847 Apr 9
(eruption 1847 Apr 9 - May 2 ?)
Fogo2Cape Verde1-50 (*)
Info
1818 AprJan Mayen
Beerenberg (Dagnyhaugen, SW flank)
3?Jan Mayen Island, Norway
1816 Dec 31 ±365 d.Fogo?Cape Verde
1799 Jun 2 - Jun 28Fogo
North caldera floor
2Cape Verde
1785 Jan 24 - Feb 25Fogo
North caldera floor
2Cape Verde
1769 AprFogo
SW side
?Cape Verde
1500 AD - 1761 ?Fogo
Pico
1Cape Verde
1732 May 17 - May 18Jan Mayen
Beerenberg (Eggoya, SW flank)
4Jan Mayen Island, Norway
(*) Estimated numbers
Remark:
Our list of volcanic eruptions closely follows the database of eruptions of the Smithsonian's Global Volcanism Project (GVP), the internationally most recognized data source for volcanic eruptions, but also includes significant eruptive episodes or related volcano events. "Volcanic eruptions" are usually to be understood as sequences of individual eruptive episodes that can follow each other, or even overlap (if several vents are involved), and can last many years, decades or even longer. For example, the current activity of Stromboli volcano is understood as a single eruption that has been ongoing since 1934.
Sources: NOAA National Centers for Environmental Information (NCEI), Global Significant Volcanic Eruptions Database. doi:10.7289/V5TD9V7K | Global Volcanism Project / Smithsonian Institution

Atlantic Ocean FAQ

+When was the last volcanic eruption in Atlantic Ocean?

+When was the first documented volcanic eruption in Atlantic Ocean?

+How often do volcanoes in Atlantic Ocean erupt?

+How active are the volcanoes in Atlantic Ocean?

+When was the largest volcanic eruption in Atlantic Ocean?

Volcano List

Ascensión

(Stratovolcano 858 m / 2,815 ft)
[more info]

Bouvet

(Shield volcano 780 m / 2,559 ft)
[more info]

Gough Island

(Shield 910 m / 2986 ft)
[more info]

Inaccessible Island

(Stratovolcano 563 m / 1847 ft)
[more info]

Jan Mayen

(Stratovolcano 2277 m / 7,470 ft)
[more info]

Martin Vaz

(Stratovolcano 175 m / 574 ft)
[more info]

Nightingale Island

(Stratovolcano 365 m / 1,197 ft)
[more info]

Pico Fracture Zone

(Submarine volcano -4200 m / -13,779 ft)
[more info]

Romanche Fracture Zone

(Submarine volcano -1528? m / - 5,013 ft)
[more info]

Thompson Island

(Submarine volcano? unknown summit elevation)
Thompson Island was a phantom island in the South Atlantic. According to the Global Volcanism Program, it was thought to be located about 70 km (43 mi; 38 nmi) north-northeast of Bouvet Island, a small Norwegian dependency located between South Africa and Antarctica. [more info]

Trindade

(Stratovolcano 600+ m / 1,968 ft)
[more info]

Tristan da Cunha

(Shield volcano 2060 m / 6,758 ft)
[more info]

Unnamed 3.5°S/24.5°W

(Submarine volcano -5300? m / -17,388 ft)
[more info]

Unnamed 39.95°N/25.83°W

(Submarine volcano -2835 m / - 9,301 ft)
A ship captain reported water ebullition and hot fumes at this location in 1856. [more info]

Unnamed 4.20°N/21.45°W

(Submarine volcano -2900? m / - 9,514 ft)
[more info]

Unnamed 49.00°N/34.5°W

(Submarine volcano -1650 m / - 5,413 ft)
[more info]

Unnamed 7.00°N/21.83°W

(Submarine volcano? -1415? m / - 4,642 ft)
[more info]

Walvis Ridge at 33°S

(Submarine volcano -1200 m / -3,937 ft)
[more info]

Brava

(Stratovolcano 900 m / 2,953 ft)
[more info]

Fogo

(Stratovolcano 2829 m / 9,281 ft)
The island of Fogo consists of a single massive stratovolcano that is the most prominent of the Cape Verde Islands. Fogo is the most active volcano in the Cape Verde. [more info]

Santo Antao

(Stratovolcano 1979 m / 6493 ft)
[more info]

Sao Nicolau

(Stratovolcano 1270 m / 4167 ft)
[more info]

Sao Vicente

(Stratovolcano 725 m / 2,379 ft)
[more info]
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Latest news
Wed, 29 Nov 2023, 15:00

Brava volcano (Cape Verde) - Smithsonian / USGS Weekly Volcanic Activity Report for 22 November-28 November 2023 (New Activity / Unrest)

According to the Cape Verde National Institute of Meteorology and Geophysics (INMG), seismicity at Brava increased on 30 October and remained elevated. A M 3.6 earthquake was recorded at 1819 on 30 October and was followed by eight more events of similar magnitudes that were felt by residents. A M 4.8 was recorded at 2100 and was followed by a 48-hour-long seismic swarm mostly consisting of low-magnitude events that were unable to be located. ... Read all
Mon, 9 Nov 2020, 09:54

Michael volcano (United Kingdom, South Sandwich Island): a thermal anomaly in the summit crater continues

A thermal anomaly in the summit crater at Michael volcano visible from satellite on 6 November (image: Sentinel 2)
A satellite image from 6 November shows that continuous elevated surface temperatures in the summit crater were identified. ... Read all
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