What is lava?
Molten rock that used to be mantle
I am an underwater crack in the Earth's crust caused by the separation of the Eurasian & N. American plates.
Mid- Atlantic Ridge
At what plate boundary is basic lava found at?
Constructive
This is a traditional technique volcanologists use to predict eruptions
If a volcano has erupted every two years over the past 20 years, it could erupt following that patern
When two plates collide, the ___ oceanic plate sinks under the _____ continental plate at a location called the _________ ________
Heavier, lighter & subduction zone
What plates can be seen separating in Iceland?
Eurasian & N. American
Name the three types of volcanos
Active, Dormant & Extinct
Line of new volcanos
Volcanic arc
Name the two types of lava
Basic & Acidic
This is a hole in the ground from which hot water and steam come out.
Geyser
Tourist travels here to experience volcanic activity
Iceland
An area surrounding the Pacific ocean that contains many active volcanos.
Pacific Ring of Fire
Scientists who study volcanos are called?
Volcanologists
What two plates do volcanos occur at?
Separating & Colliding
What runs through iceland?
Mid Atlantic ridge
Magma is located in this
Magma chamber
When did the volcano in La Palma erupt?
September 2021
what forms at a subduction zone?
Ocean trench
At separating boundaries volcanos form in what shape?
Cone shape
Name the famous type of geyser
Strokkur