California- Physical Factors Flashcards
What percentage of people live within 50km of the fault line?
70%
How many earthquakes do they experience?
100-150 every year
How many volcanic eruptions in the last 1000 years?
12
El Niño storms lead to
Landslides
In the last 25 years how many people have died from landslides?
100
El Niño flooding in 1997:
40% annual precipitation fell
46 counties declared disaster areas
23,000 homes, businesses, roads damaged - costing $2 million
What does La Niña bring to California?
Drought & wild fires
Currently experiencing a 2 year drought
What percentage of water reduction have the avocado workers seen…
30%
In 2007 how many were killed from wild fires?
22
In 2014 by May how many fires had there been?
1,400
Describe the plate boundary in California?
Conservative plate boundary
Plates are moving in the same direction
But the Pacific plate is moving faster than the North American
What are the 3 main physical factors that make California a hazard hotspot?
Plate tectonics
El Niño
La Niña