Available Weekly Reports
There are no activity reports for Fogo.
Summary of eruption dates and Volcanic Explosivity Indices (VEI).
|Start Date||Stop Date||Eruption Certainty||VEI||Evidence||Activity Area or Unit|
|1995 Apr 2||1995 May 26||Confirmed||2||Historical||WSW flank of Pico|
|1951 Jun 12||1951 Aug 21||Confirmed||2||Historical||Northwest and south caldera floor|
|1857 Jun 27||1857 Dec 15||Confirmed||2||Historical||SSE caldera floor|
|1852 Feb 19||1852 Mar 30 (?)||Confirmed||2||Historical||NNW caldera floor|
|1847 Apr 9||1847 May 2 (?)||Confirmed||2||Historical||North caldera floor|
|1816 Dec 31 ± 365 days||Unknown||Confirmed||Historical|
|1799 Jun 2||1799 Jun 28||Confirmed||2||Historical||North caldera floor|
|1785 Jan 24||1785 Feb 25||Confirmed||2||Historical||North caldera floor|
|1769 Apr (in or after)||Unknown||Confirmed||Historical||SW side|
The island of Fogo consists of a single massive stratovolcano that is the most prominent of the Cape Verde Islands. The roughly circular 25-km-wide island is truncated by a large 9-km-wide caldera that is breached to the east and has a headwall 1 km high. The caldera is located asymmetrically NE of the center of the island and was formed as a result of massive lateral collapse of the ancestral Monte Armarelo edifice. A very youthful steep-sided central cone, Pico, rises more than 1 km above the caldera floor to about 100 m above the caldera rim, forming the 2829 m high point of the island. Pico, which is capped by a 500-m-wide, 150-m-deep summit crater, was apparently in almost continuous activity from the time of Portuguese settlement in 1500 AD until around 1760. Later historical lava flows, some from vents on the caldera floor, reached the eastern coast below the breached caldera.