Structure of a Volcano
What does the magma move up to erupt
The explosive hot rock that moves slowly
Viscous Lava
When did Moana Loa start erupting
November 27th 2022
What measures earthquakes
Seismometer
Which country was the largest earthquake recorded?
BONUS: What was the magnitude
Chile
BONUS: 9.5
What is the opening of the volcano called?
A Crater/Vent
A type of mudflow made of rocks, water and _____ (BONUS)
A lahar
BONUS: Pyroclastic material
Type of molten rock erupting in Moana Loa that occurs in non-explosive eruptions
Runny Lava
How much stronger is every magnitude number
10x
What is the difference between magma and lava?
Magma is liquid rock underground, Laval us above ground
What is the store of molten rock called?
Magma Chamber
Mass of molten rock larger than ____ mm that could before it reaches the ground (BONUS)
Volcanic Bomb
BONUS: 64 mm
Where and when did Pompeii erupt?
Italy, 24th August 79AD
What is the data sheet called for an earthquake?
Seismogram or Seismograph
What was the 'supercontinent' landmass called?
Pangaea
Where does the magma come out from (layer of the earth)
Flow at speeds of up to 150 mph, happens during explosive eruptions
Pyroclastic Flow
How long had the volcano been quiet for?
1500 years
The name the scale earthquakes are measured on
The Richter Scale
What do primary effects of hazards involve?
BONUS: Name a primary effect
The impacts that happen strait away as a direct result of the hazard
BONUS: Building collapse, Injury, Death...
What is extruding magma on the side of a volcano called?
Side Vent
Igneous rock formed during explosive volcanic eruptions
Pumice Stones
What attracted people to the surrounding area after the eruption
Fertile soils
7-7.9
What is the name for the point at the surface directly above the focus of an earthquake
Epicentre