All about volcanoes
What scale is used to measure volcanoes?
Volcanic Explosivity Index
What scale is used to measure earthquakes?
The Richter scale or seismographs.
What number on the richter scale is considered disastrous?
8.0-8.9
What number on the Volcanic Explosivity Index is considered disastrous?
5.0-8.0
How do volcanoes form?
They form when one tectonic plate moves under another.
Where is the safest place to go when you are in an earthquake?
Seek shelter under a sturdy table or desk. Stay away from outer walls, windows, fireplaces, and hanging objects.
What was the magnitude of the largest earthquake?
9.5
What was the magnitude of the largest volcano?
8
What are the three settings where volcanoes typically form?
constructive plate boundaries, destructive plate boundaries, and hot spots.
Where do earthquakes usually occur?
Earthquakes occur along fault lines, cracks in Earth's crust where tectonic plates meet.
What is the name of the largest earthquake?
Valdivia Earthquake
What is the name of the largest volcano?
Mauna Loa is the largest active volcano is history.