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What
Should I Do? -- Follow the Seven Steps to Earthquake
Safety
STEP
2 -- Create a Disaster-Preparedness Plan
Will
everyone in your household know how to react during and
after strong earthquake shaking? To be ready for the
quakes that are certain to happen in the Bay Area, it is
important that your family have a disaster-preparedness
plan. Your plan should include most of the
following:
Life-Critical
Actions
In
a strong earthquake, individual survival skills will be
crucial
- Practice
"drop, cover, and hold on." (See STEP 5)
- Learn
how to protect yourself no matter where you are when a
quake strikes. (See STEP 5)
- Teach
children and adults to use emergency whistles and (or)
to knock 3 times repeatedly if trapped. Rescuers
searching collapsed buildings will be listening for
sounds.
Life-Saving
Training
Doing
the following will enable you to help your family and
others after a strong quake.
- Take
a Red Cross First Aid and CPR (cardiopulmonary
resuscitation) training course. Learn who in your
neighborhood is trained in first aid and CPR.
- Know
the locations of gas, electricity, and water shutoffs
for your home. Know how to use them and keep needed
tools nearby. Only turn off the gas if you smell or
hear leaking gas. (See STEP 6)
- Get
training from your local fire department in how to
properly use a fire extinguisher.
- Check
with your fire department to see if there is a
Community Emergency Response Team (CERT) in your area.
If not, ask how to start one.
Advance
Plans
Don't
wait until the next earthquake to do the
following.
- Keep
shoes and a working flashlight next to each person's
bed.
- Identify
safe spots in your home, such as under sturdy desks
and tables.
- Locate
a safe place to meet outside your home after the
shaking stops.
- Establish
an out-of-area contact person who can be called by
everyone in the household to relay information.
- Provide
all family members with a list of important contact
phone numbers.
- Determine
the needs of household members and neighbors with
special requirements, such as use of a wheelchair,
walking aids, special diets, or medication.
- Learn
about the earthquake plan developed by your children's
school or day care.
- Keep
copies of essential documents, such as insurance
policies and financial records, in a secure location.
(See page 29)
- Test
smoke alarms and change the batteries once a year or
when the alarm emits a "chirping" sound (low-battery
signal).
- Have
occasional disaster "drills" to practice your plan.
Discuss your disaster plan and essential information
with your babysitters, house sitters, and
neighbors.
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Your
family may be sleeping when the next strong quake hits
the Bay Area. After the shaking stops, the lights may be
out and broken glass and other dangerous debris may
litter the floor, making it unsafe to walk barefoot. Keep
a flashlight and a pair of sturdy shoes secured to or
within reach of everyone's bed. A good way to do this is
to use a drawstring bag tied to a bedpost at the head of
the bed for each occupant.
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STEP
3 -- Create Disaster Kits
Personal
Disaster Kits
Everyone
in your family should have their own personal disaster
kits. These kits are collections of supplies they may
need when a quake strikes, no matter where they are in
the Bay Area.
Personalize
these kits and keep them where they can easily be
reached&emdash;at home, in the car, at work or school. A
backpack or other small bag is best for these kits so
that they can be easily carried in an evacuation. Include
the following items:
- Medications
and medical consent forms for dependents.
- First
aid kit and handbook.
- Spare
eyeglasses and personal hygiene supplies.
- Bottled
water.
- Whistle
(to alert rescuers to your location).
- Emergency
cash.
- List
of emergency contact phone numbers.
- Snack
foods high in calories.
- Emergency
lighting&emdash;light sticks and (or) a working
flashlight with extra batteries and light bulbs
(hand-powered flashlights are also available).
- Comfort
items, such as games, crayons, writing materials, and
teddy bears.
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Household
Disaster Kit
Electrical,
water, transportation, and other vital systems can be
disrupted for several days after a large earthquake.
Emergency response agencies and hospitals will likely be
overwhelmed and unable to provide you with immediate
assistance. To help your family cope after a strong
earthquake, store a household disaster kit in an easily
accessible location, preferably outdoors (not in your
garage). This kit, which complements your personal
disaster kits, should be in a large watertight container
that can be easily moved and should hold at least a 3- to
5-day supply of the following items:
- Drinking
water (minimum one gallon per person per day).
- First
aid supplies, medications, and essential hygiene
items, such as soap, toothpaste, and toilet paper.
- Emergency
lighting&emdash;light sticks and (or) a working
flashlight with extra batteries and light bulbs
(hand-powered flashlights are also available).
- A
hand-cranked or battery-operated radio (and spare
batteries).
- Canned
and packaged foods and cooking utensils, including a
manual can opener.
- Items
to protect you from the elements, such as warm
clothing, sturdy shoes, extra socks, blankets, and
perhaps even a tent.
- Heavy-duty
plastic bags for waste and to serve other uses, such
as tarps and rain ponchos.
- Work
gloves and protective goggles.
- Pet
food and pet restraints.
- Copies
of vital documents, such as insurance policies and
personal identification.
NOTE:
Replace
perishable items like water, food, medications, and
batteries on a yearly basis.
A
Special Note About Children
Before
the next earthquake, spend time with your kids to
discuss what might occur. Involve them in developing your
disaster plan, preparing disaster supplies kits (ask them
what game or toy they want to include), and practicing
"drop, cover, and hold on."
In
the days after a quake, kids need extra contact and
support. They may be frightened and under great stress,
and aftershocks won't let them forget the experience.
Parents may have to leave children with others in order
to deal with the emergency, and this can be scary.
Whenever possible, include your children in the
earthquake recovery process.
Resources
for kids to learn about disaster preparedness:
http://www.abag.ca.gov/bayarea/eqmaps/kids.html
www.fema.gov/kids/
http://earthquake.usgs.gov/4kids/
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For
more information on earthquake preparedness plans and
disaster kits go to:
Telephone
book:
The front section of your local phone book
American
Red Cross:
http://www.redcross.org/services/disaster/beprepared/http://redcrossshop.org/
Pacific
Gas & Electric:
http://www.pge.com/education_training/
What
Should I Do? -- Follow the Seven Steps to Earthquake
Safety
STEP
4 -- Identify Your Building's Potential Weaknesses and
Begin to Fix Them
Is
your house, condo, or apartment strong enough to
withstand an earthquake?
If
you live in a single-family home or duplex...
You
can use the quiz at right to see if your home is likely
to be so badly damaged in a future quake that people
might be injured or that it would be unsafe to
occupy.
If
your home scores 13 or more points on the quiz, you
probably should have a structural engineer, architect, or
contractor evaluate it unless it has been strengthened in
the last few years. They will check to see if it is
strong enough to keep you and your family reasonably safe
in a quake. For example:
- Does
your home have enough bolts connecting the "sill
plate" to the foundation? (See below)
- Is
there plywood on the inside surface of the crawl space
extending from the sill plate to the base of the floor
joist above to prevent the wall studs from
collapsing?
- Are
there metal brackets connecting the rim joists to the
top plates?
- Is
the ground floor a large open space lacking interior
walls (weak or "soft" story)?
- Are
there large openings in the walls of the lower story,
such as a garage door, that should be better
braced?
- Is
your home a hillside house that was not adequately
designed to withstand strong earthquake
shaking?
Once
you determine if your home needs retrofitting, identify
problems, prioritize how and when to fix them, and get
started!
The
latest recommendations of structural engineers,
contractors, and city building officials who are experts
on retrofitting are available on the ABAG web site at
http://quake.abag.ca.gov/fixit/
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Strengthening
your crawl space
The
number of foundation bolts, linear feet of plywood, and
floor-to-wall connections (brackets) that are required to
seismically retrofit your home varies depending on its
size and weight. Remember, earthquakes will find the weak
spots in your house. So, if you add bolts but not
plywood, you will still have a problem when the ground
shakes!
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Structural-Safety
Quiz for Single-Family Home or Duplex
If
you live in a single-family home or duplex, the strength
of your home depends on when it was built, its style of
construction, and its location.
1.
When was your home built?
- Before
1960 = 5 points
- 1961-1978
= 3 points
- After
1978 = 1 point
2.
How tall is your home?
- 2
or more stories with living area above a garage = 5
points Split level, on a hillside or gentle slope = 6
points
- 1
story, 3 or more steps up to the front door = 4 points
- 1
story, less than 3 steps up to the front door = 1
point
3.
How hard is the ground likely to shake under your home?
- Portions
of the Bay Area shown as yellow or green in color on
the shaking hazard map (page 8) = 5 points
- Elsewhere
in the Bay Area = 7 points
TOTAL
POINTS =_____
If
your home scores 13 or more points on the quiz, you
probably should have an engineer, architect, or
contractor evaluate it unless it has been strengthened in
the past few years.
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If
you live in a condominium or apartment...
Many
condominiums and apartments have parking on the ground
floor. These weak or "soft" first stories may lean or
collapse in an earthquake.
Some
multi-story buildings in the Bay Area can have problems
because they were constructed before 1972 of concrete or
brick that is inadequately reinforced. Many cities have
requirements that these buildings be seismically
retrofitted. You are less likely to be killed in a
retrofitted building, but you may not be able to reoccupy
it after a quake.
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The
"soft" first story of this apartment building collapsed
in the 1994 magnitude 6.7 Northridge earthquake, crushing
cars below and severely damaging the floors above (FEMA
photo).
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As
a renter, ask your landlord these questions:
- What
measures have been taken to ensure the seismic safety
of this building?
- Have
water heaters been strapped to the wall studs?
- Can
I secure bookshelves and furniture to the
walls?
Go
to http://quake.abag.ca.gov/fixit/
to take a quiz to see if your apartment building or
condominium may need retrofitting. This Web site also has
links to information that can help your landlord find
appropriate ways to improve the strength of your
building.
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Mobile
home damage in the 1980 magnitude 5.8 Livermore
earthquake. (photo courtesy NISEE)
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If
you live in a mobile home...
Look
under your home. If you only see a metal or wood "skirt"
on the outside with concrete blocks or steel tripods or
jacks supporting your home, you need to have an
"engineered tie-down system" or an "earthquake-resistant
bracing system" (ERBS) installed.
An
ERBS should have a label on the bracing that says,
"Complies with the California Administrative Code, Title
25, Chapter 2, Article 7.5."
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Brick
chimneys can collapse if shaken...
Stay
away from chimneys and fireplaces during shaking!
Collapsing chimneys cause many injuries in
earthquakes&emdash;60,000 chimneys fell in the 1994
magnitude 6.7 Northridge earthquake.
You
can reduce the chance of bricks falling through a
sheetrock ceiling in a quake by putting sheets of plywood
above ceiling framing. However, "retrofitting" masonry
chimneys with bracing or strapping is not an effective
safety measure, because they may still fall as a unit
when exposed to strong shaking.
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This
chimney broke and nearly fell in the 1969 magnitude 5.6
Santa Rosa earthquake. (photo courtesy
NISEE)
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Don't
be fooled! -- Myth number 5
"WE
HAVE GOOD BUILDING CODES, SO WE MUST HAVE SAFE
BUILDINGS."
The
best building code in the world does nothing for
buildings built before the code was enacted. Although
building codes used in California have some of the
strictest seismic provisions in the world, many older
buildings have not been "retrofitted" to meet updated
codes. Retrofitting&emdash;fixing problems in older
buildings&emdash;is the responsibility of a building's
owner.
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What
Should I Do? -- Follow the Seven Steps to Earthquake
Safety
STEP
5 -- Protect Yourself During Earthquake
Shaking
"DROP,
COVER, AND HOLD ON"
If
you are indoors, when you feel strong earthquake shaking,
drop to the floor, take cover under a sturdy desk or
table, and hold on to it firmly until the shaking stops.
The
previous pages have concentrated on getting you ready for
future earthquakes in the Bay Area, but what should you
do when the shaking starts?
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If
you are indoors...
- "DROP,
COVER, AND HOLD ON." If you are not near a desk or
table, drop to the floor against an interior wall and
protect your head and neck with your arms.
- Avoid
exterior walls, windows, hanging objects, mirrors,
tall furniture, large appliances, and cabinets filled
with heavy objects.
- Do
not go outside until well after the shaking
stops!
In
bed
Hold
on and stay there, protecting your head with a pillow.
You are less likely to be injured staying where you are.
Broken glass on the floor can cause injuries; be sure to
put shoes on before stepping on the floor (see STEP
2)!
In
a high rise building
DROP,
COVER, AND HOLD ON. Avoid windows and other hazards. Do
not use elevators. Do not be surprised if sprinkler
systems or fire alarms activate.
At
work
DROP,
COVER, AND HOLD ON. Know your workplace's earthquake
safety plan and put it into action. When safe, move to a
specified meeting location.
In
a public building or theater
DROP,
COVER, AND HOLD ON if possible. If in a theater seat,
duck down and protect your head and neck with your arms.
Don't try to leave until the shaking is over. Then walk
out slowly, watching for fallen debris or anything that
could fall on you in aftershocks.
If
you are outdoors...
Move
to a clear area if you can safely do so; avoid buildings,
powerlines, trees, and other hazards. Always assume
fallen powerlines are live!
Near
tall buildings
Windows,
facades, and architectural details are often the first
parts of a building to collapse. Get away from this
danger zone when shaking starts. Take refuge in a safe
building or an open space.
Driving
When
able, safely pull over to the side of the road, stop, and
set the parking brake. Avoid overpasses, bridges,
powerlines, signs, trees, and other things that might
collapse or fall on the vehicle. Stay inside the vehicle
until the shaking is over. If a powerline falls on the
vehicle, stay inside until a trained person removes the
hazard.
In
a stadium
Stay
at your seat and protect your head and neck with your
arms. Don't try to leave until the shaking is over. Then
exit slowly, avoiding debris and watching for anything
that could fall in aftershocks.
Near
the shore
Tsunamis
from local earthquakes may flood low-lying coasts within
minutes of the quake. Distant, large earthquakes can
produce tsunamis that may arrive hours later at
California's beaches. If you feel a strong quake, hear a
tsunami warning, or notice the water suddenly withdrawing
from the beach, evacuate immediately to higher ground.
Tsunami waves may continue to arrive for hours, so do not
return to the shore until an "all clear message" has been
issued. For more tsunami survival tips go to
http://pubs.usgs.gov/circ/c1187/.
Below
a dam
Dams
can fail during a major earthquake. Catastrophic failure
is unlikely, but if you are downstream from a dam, you
should know flood-zone information and have prepared an
evacuation plan. For more information go to the
Association of Bay Area Governments Web site at
http://www.abag.ca.gov/bayarea/eqmaps/eqfloods/floods.html.
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