Photographer's Note

is one of Nicaragua's most unusual and most active volcanoes made up of two volcanoes: Masaya itself and Nindiri. here you could see the smoking Masaya volcano. It is not allowed to stop cars with view to crater, all vehicle must be prepared to flee in the case of an eruption.

from www.volcano.si.edu
Masaya lies within the massive Pleistocene Las Sierras pyroclastic shield volcano and is a broad, 6 x 11 km basaltic caldera with steep-sided walls up to 300 m high. The caldera is filled on its NW end by more than a dozen vents that erupted along a circular, 4-km-diameter fracture system. The twin volcanoes of Nindirí and Masaya, the source of historical eruptions, were constructed at the southern end of the fracture system and contain multiple summit craters, including the currently active Santiago crater. A major basaltic plinian tephra was erupted from Masaya about 6500 years ago. Historical lava flows cover much of the caldera floor and have confined a lake to the far eastern end of the caldera. A lava flow from the 1670 eruption overtopped the north caldera rim. Masaya has been frequently active since the time of the Spanish Conquistadors, when an active lava lake prompted attempts to extract the volcano's molten "gold." Periods of long-term vigorous gas emission at roughly quarter-century intervals cause health hazards and crop damage.

Exposure Time: 1/256
F-Stop: f/7.1
ISO Speed Ratings: 200
Focal Length: 17/1 mm
Date Taken: 2010-01-16 12:10

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Additional Photos by Achim Fried (John_F_Kennedy) Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 5110 W: 56 N: 10488] (43797)
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