ca geo 56

California Geologic Regions
and Hazards Presentation
DAY 2


Today we will learn
about 7 provinces that
make up the north and
south part of the
state.
We will start in the
south
and finish in
the north.
Let’s begin . . .


Name of Province:
Transverse Range


•Color in
province
•Put color in
legend
•Write
province
name in
legend

Transverse

Range


Transverse Ranges
N
W

E
S

Description of Province:
The Transverse Ranges are a steep eastwest trending series of mountain ranges.


Transverse Ranges

Intense folding of the petroleum
rich sedimentary rock makes this
an important oil producing area.


Transverse Ranges

The Transverse Ranges
extend to the Pacific Ocean.


Transverse Ranges

The Transverse Ranges also

include the island group
of San Miguel, Santa Rosa,
and Santa Cruz
islands.


What geologic
hazards would
you expect to
find in this
province?


Hazards:
• Earthquakes
• Landslides
• Floods

Along the Coast:
•Coastal Erosion
•Tsunamis


Specific Event:
Earthquake

Santa Barbara 1925, June
Magnitude 6.3

13 dead; $8 million in property damage

Specific Event:

Landslide at La Conchita January 10, 2005
Destroyed or seriously damaged 36 houses and
killed 10 people.


Add the
symbols
of the
hazards
to your
map.

Transverse
Ranges


Name of Province:
Peninsular Ranges


•Color in
province
•Put color in
legend
•Write
province

name in
legend

Peninsular
Ranges


Peninsular Ranges

Description of Province:
The Peninsular Ranges are a series of
northwest trending ranges that are parallel
to the San Andreas Fault Zone.


Peninsular Ranges
Like the Sierra Nevada, the Peninsular Ranges are
composed of granite (once magma) intruded into
older metamorphic rocks.


Peninsular Ranges


Peninsular Ranges
Los Angeles
is located
in the
Peninsular
Ranges.

Peninsular Ranges

The Peninsular Range also includes the
island group of Santa Catalina, Santa Barbara, San
Clemente and San Nicolas islands.


What geologic
hazards would
you expect to
find in this
province?


Hazards:

•Floods
•Landslides
•Earthquakes
Along the Coast:
•Coastal Erosion
•Tsunamis


Northridge Earthquake
01/17/1994 Magnitude 6.7
57-Dead 1500-Seriously Injured
$15 Billion in Damage

Specific Event


Specific Event:
Floods in Southern California 1995

11 Dead; $1.34 Billion in Damages


Add the
symbols
of the
hazards
to your
map.

Peninsula
Ranges