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Earthquake Safety
More than 6,000 potentially
damaging earthquakes are measured each year within the contingent
United States, and not one area has been without some tremor during
this century..
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Some areas expect to be shaken while others are expected to be safe.
Tremors can occur for reasons not related to earth shifts. A "Good"
thunder clap, an airplane or helicopter, a heavy truck, an
explosion nearby can all shake your home. Any one of these can
knock things off the shelves, cause windows to break, scare
people into panic.
Preparing for an earthquake, like all aspects of safety preparedness,
starts with the individual. Everyone should be taught to:
- Be Aware of one's surroundings. How can I get out? What can
I duck under in a second? What does not look safe?
- Take the initiative to fix hazards. Take down thinks that
rattle. Heavy items should be on lower shelves. Any shelf which
leans out from a wall is unsafe. Report unsafe conditions to
(store, building, school, etc.,) management. Learn First Aid
- Protect valuable breakables. Display small items in strong
hangers on placed on concave holders1. Larger items should
not be top-heavy2.
- Design and build quake resistance into any remodeling, repair,
or new building job.
- Develop home, neighborhood, workplace and community 's
plans. Hold practice drills, test communications. Involve those
around you (you may need to depend on them) and collect their
input. Incorporate this into action plans.
An 5.0 magnitude earthquake or above could render a population area
isolated from many or all local services. This possibility emphasizes
the importance of individual preparedness. Roadways may be destroyed
or blocked by debris. Electrical, gas, water, sewer and telephone
communication may be disrupted. It will take people, the individuals,
to clear a path, to assist themselves and others. Outside assistance
will come, but plan to be self-sufficient for 72 hours or more.
There are a few, inexpensive things you may do to make your home more
secure from earthquake damage:
- Survey your own home. Look for the small structural changes you
can do.
- Bolt Your Foundation. Walls should be firmly attached so that
they don't slide off the foundation.
- Reinforce Walls with Plywood. Provide more lateral support so
that they won't flex to one side.
- Strap Your Water Heater, furnace and air conditioning units.
Step by step instructions for the actions listed above may be see at
San Leandro's Home Retrofit Guidebook
You and your community would do well by establishing a preparedness
plan such as
Yerba Buena Neighborhood Earthquake Plan. The time
spent reading it will open many minds.
From The State of Kentucky comes the following
information:
- Before the Earthquake:
- Meet and discuss with your family and co-workers:
- Repair any deep cracks in ceilings or foundations.
- Identify safe places in each room.
- Away from where glass could shatter.
- Away from windows, mirrors, pictures.
- Away from bookcases or furniture which might fall over.
- Decide how and where your family will reunite if
separated.
- Check for hazards in the home.
- Choose an out-of-state friend or relative that separated
family members can call after the quake to report their
whereabouts and condition.
- Know the safe spots in each room: under sturdy tables, desks,
or against inside walls.
- Know the danger spots: windows, mirrors, hanging objects,
fireplaces and tall, unsecured furniture.
- Store breakable items such as bottled foods, glass, and china
in low, closed cabinets with latches.
- Conduct practice drills. Physically place yourself in safe
locations.
- Learn first aid and CPR (cardiopulmonary resuscitation) from
your local Red Cross chapter or other community organization.
- Keep a list of emergency phone numbers.
- Learn how to shut off gas, water and electricity in case the
lines are damaged. (Safety note: Do not attempt to re-light gas
pilot. Call the utility company)
- Check chimneys, roofs, walls, foundations for stability Make
sure your house is bolted to its foundation.
- Secure water heater and appliances that could move enough to
rupture utility lines.
- Keep breakables and heavy objects on bottom shelves.
- Secure hanging plants and heavy picture frames or mirrors
(especially over beds).
- Put latches on cabinet doors to keep them closed during
shaking.
- Keep flammable or hazardous liquids such as paints, pest
sprays or cleaning products in cabinets or secured on lower
shelves.
- Maintain emergency food, water and other supplies, including
a flashlight, a portable battery-operated radio, extra batteries,
medicines, first aid kit and clothing.
- During an Earthquake:
- If indoors, stay there. Get under a desk or table or
stand in a corner.
- If outdoors, get into an open area away from trees,
buildings, walls and power lines.
- If in a high-rise building, stay away from windows
and outside walls. Get under a table. Do not use elevators.
- If driving, pull over to the side of the road and
stop. Avoid overpasses and power lines. Stay inside until shaking
is over.
- If in a crowded public place, do not rush for the
doors. Move away from display shelves containing objects that
could fall.
- After and Earthquake:
- Check for injuries. Apply first aid.
- Do not move seriously injured individuals unless they are in
immediate danger.
- Do not use the telephone immediately unless there is a
serious injury or fire.
- Hunt for hazards.
- Check for gas and water leaks, broken electrical wiring or
sewage lines. If there is damage, turn utility off at the source.
- Check building for cracks and damage, including roof,
chimneys and foundation.
- Check food and water supplies. Emergency water may be
obtained from water heaters, melted ice cubes, toilet tanks and
canned vegetables.
- Turn on your portable radio for instructions and news
reports. Cooperate fully with public safety officials.
- Do not use your vehicle unless there is an emergency. Keep
the streets clear for emergency vehicles.
- Be prepared for aftershocks.
- Stay calm and lend a hand to others.
- If you evacuate, post a message inside your home
telling family members where you can be found.
Here are some fine sources of information:
References and notes:
-
Foam with recesses for storing individual objects. Holes for
objects are cut into the upper block of a 2" thick ethafoam.
A sheet of 1/4-inch ethafoam is glued to the block with recesses.
The whole unit is sized to fit a shelf.
-- From WAAC Newsleter Volume 13, Number 3, Sept 1991.
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A contoured T-mount and monofilament brace a top-heavy
container, shown mounted on a riser. An insert fits snugly
inside the riser; then screw this to the exhibition deck.
-- From WAAC Newsleter Volume 13, Number 3, Sept 1991.
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Last Modified: Nov. 15, 1999 by Fred Klusmann
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