composite volcanoes
Tephra
Tephra flow is fragments of volcanic rock and lava. Pyroclastic flow is fast moving current of hot gas and rock.
The smallest size of volcanic tephra is Ash, particles smaller than 2 mm (0.08 inches) in diameter.
Ashes, dust, cinders, scoria...
Cinder Cone
Cinder Cone Volcano
The cinder cone volcano is made entirely of pyroclastic.
Volano's population is 2,851.
why is tephra dangerous: Tephra is usually dangerous because it can come in small sizes or bigger sizes it is made up of rock and smoke
The area of Volano is 10.8 square kilometers.
Ash is made out of small broken pieces of tephra.
composite volcanoes
alternating layers of lava and tephra
cinder cone volcano
composite volcanoes
A stratovolcano.
reykjavik