Earth from Space - Image Information

LOCATION Direction Photo #: ISS063-E-54142 Date: Jul. 2020
Geographic Region: CAPE VERDE ISLANDS


This photo captures an astronaut's view of Fogo, an island 600 kilometers (400 miles) off the coast of West Africa. The name Fogo translates from Portuguese to English as “fire.” The name epitomizes the volatile nature of the Cabo Verde (or Cape Verde) volcanic islands.

Pico de Fogo is the highest peak in Cabo Verde, towering 2829 meters (9,280 feet) above sea level. It is the active cone at the summit of the Fogo stratovolcano (// that forms the island. As seen from the International Space Station, the semicircle of surrounding cliffs marks the edge of the Cha das Caldeiras summit caldera. Research by geologists shows that the entire east side of Fogo volcano slid into the sea in a process known as lateral collapse. That event, now known as the Monte Amarelo landslide, formed the caldera approximately 80,000 years ago.

Scientists using subsea backscatter sonar techniques have been able to identify the landslide rubble on the seafloor offshore of the east side of the island. So much material slid off the volcano flank that the debris field covers an area larger than the area of Fogo Island itself. Landslides are common on active volcanic islands - such as Fogo and the Hawaiian islands - as the repeated burial of unconsolidated rock debris by subsequent eruptions can create fault zones. Acidic solutions can also form from volcanic gases; these can alter rock-forming minerals to clay minerals, leading to weaker rock masses.

Read more about the 2014 eruption at Fogo.

Images: All Available Images Low-Resolution 408k
Mission: ISS063  
Roll - Frame: E - 54142
Geographical Name: CAPE VERDE ISLANDS  
Center Lat x Lon: 14.9N x 24.3W
Film Exposure:   N=Normal exposure, U=Under exposed, O=Over exposed, F=out of Focus
Percentage of Cloud Cover-CLDP: 50
Camera:: N8
Camera Tilt: 36   LO=Low Oblique, HO=High Oblique, NV=Near Vertical
Camera Focal Length: 400  
Nadir to Photo Center Direction: N   The direction from the nadir to the center point, N=North, S=South, E=East, W=West
Stereo?:   Y=Yes there is an adjacent picture of the same area, N=No there isn't
Orbit Number:  
Date: 20200723   YYYYMMDD
Time: 171953   GMT HHMMSS
Nadir Lat: 12.2N  
Latitude of suborbital point of spacecraft
Nadir Lon: 24.5W  
Longitude of suborbital point of spacecraft
Sun Azimuth: 286   Clockwise angle in degrees from north to the sun measured at the nadir point
Space Craft Altitude: 225   nautical miles
Sun Elevation: 38   Angle in degrees between the horizon and the sun, measured at the nadir point
Land Views:  
Water Views:  
Atmosphere Views:  
Man Made Views:  
City Views:  

Photo is not associated with any sequences

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