WHAT IS A TSUNAMI?
Tsunami hazard zone—
Tsunami hazard zone—
A tsunami is a series of waves most Rd
commonly caused by an earthquake
beneath the sea floor. As tsunamis enter
shallow water near land, they increase in
height and can cause great loss of life and
property damage where they come ashore.
Recent research suggests that tsunamis ac
have struck the Washington coast on a
regular basis. They can occur at any time of
the day or night, under any and all weather
conditions, and in all seasons. Beaches open
to the ocean, bay entrances, tidal flats, and
coastal rivers are especially vulnerable to
WHAT IS THE DIFFERENCE BETWEEN A
‘DISTANT’ AND A ‘LOCAL’ TSUNAMI?
Ocean 2nd St
When a tsunami has been generated by
a distant earthquake, it will not reach
old North Beach
the Washington coast for several hours, and
there is time to issue a warning. When a
tsunami is generated by a strong offshore
earthquake, its first waves would reach the OCEAN
outer coast minutes after the ground stops
shaking. Feeling an earthquake could be
your only warning! n Take a first aid course and learn survival Isolated areas may not receive official WHAT DO THE EVACUATION
WHAT CAN I DO TO PROTECT skills. Knowledge is your greatest defense warnings of distant tsunamis. If you notice a SIGNS MEAN?
MYSELF FROM A TSUNAMI? against potential disaster. sudden drop or rise in sea level, move to Tsunami evacuation routes TSUNAMI
high ground or inland immediately. were developed to guide coastal
n Develop a family disaster plan. Everyone HOW DO I KNOW WHEN
needs to know what to do on their own to TO EVACUATE? WHERE DO I EVACUATE TO? residents and visitors to safer
protect themselves in case of disaster. locations when car evacuation is possible.
If you feel the ground shake, evacuate The map shows tsunami hazard areas Evacuation signs have been placed along the
n Be familiar with local earthquake and inland or to high ground immediately! (yellow) and areas of higher ground (green). main roads to direct motorists to higher
tsunami plans. Know where to go to A wave as high as 20 feet could reach the Go to the nearest high ground—at least 50 ground. In some places, there may be more
survive a tsunami. Identify an evacuation Copalis Beach area within 30 minutes of the feet above sea level, if possible. If you don’t than one way to reach safer areas. These
site within 15 minutes walking distance of quake. The first wave is often not the largest; have time to travel to high ground, but are in routes are marked with multiple signs
home and/or work. successive waves may be spaced many a multi-story building, go to an upper level. showing additional options for evacuation.
n Prepare three-day emergency kits for your minutes apart and continue to arrive for If you are on the beach and unable to get to You will need to know the evacuation routes
home, automobile, and work. several hours. Return only after emergency high ground, go inland as far as you can. for your area.
officials say it is safe.
HOW DO I GET INLAND OR are urged to develop a neighborhood
WHEN YOU FEEL AN EARTHQUAKE:
TO HIGH GROUND? evacuation site. The site should be outside
the tsunami hazard area, easy to get to, and n Protect yourself—drop, cover, hold
Car evacuation may not be possible if an
capable of accommodating the number of until the earthquake is over
earthquake has damaged roads and power
people expected. If it is on private property, n Grab your three-day emergency kit
lines and resulted in significant debris. If
this is the case, do not try to follow the you will need the permission of the owner.
After the immediate danger is past and
n Move quickly inland to high ground Evacuation
evacuation routes out. Evacuate on foot and away from low-lying coastal areas
directly to the nearest high ground. Avoid
lakes and wetlands, which are prone to
if there is damage to the degree that you
cannot return home, you should then
n Evacuate on foot if at all possible
because of potential road damage and
flooding and liquefaction during aftershocks. attempt to reach a designated assembly area.
WHAT SHOULD I HAVE IN MY
Since this may not be possible, it is a good
idea to inform your County Emergency n
Do not wait for an official warning Ocean City,
EMERGENCY KIT? Manager of the location of your n Do not pack or delay
You should prepare an emergency kit with a neighborhood evacuation site. n Do not return to the shore Copalis Beach
three-day supply of necessary items for each DOES MY COMMUNITY HAVE ANY n Listen to NOAA Weather Radio or
member of your family. The kit should be
adapted to your needs, but keep it light and
PLANS IN PLACE? your local radio station for information
on shelter locations and emergency
manageable in case you must evacuate on Outdoor assembly areas have been selected
foot. Have it ready to go for immediate
evacuation. Possible supplies include:
to facilitate delivery of emergency services.
It may be several days before help can n
Be alert for aftershocks and Moclips
arrive, so if possible, bring your own three-
n Maps showing safe routes to high ground
day emergency kit and emergency shelter.
n Non-perishable food and cooking and
WHO CAN I CONTACT FOR
The assembly areas listed below are not
eating utensils, including can opener MORE INFORMATION?
specific in terms of boundaries. You may
n Water and a water purification kit camp or park in adjacent areas. Take care GRAYS HARBOR COUNTY
n First-aid kit and prescriptions not to block a roadway—leave access for Department of Public Services
Emergency and Risk Management Division
emergency vehicles. Assembly areas must
n Plastic bags for water storage and waste 310 W Spruce Street, Suite 212
be on publicly owned property. However, Montesano, WA 98563
n Dental and personal hygiene items you may make personal arrangements to go Phone: 360-249-3911; 360-249-3805 (fax)
n Sturdy shoes, clothes, sleeping bag, tent to a location that may be privately owned. index.htm
n Portable radio, headlamp/flashlight, and Designated assembly areas are North
WASHINGTON MILITARY DEPARTMENT
extra batteries Beach School District, Ocean City; Fire Emergency Management Division
Station, Copalis Crossing; Pacific Beach Camp Murray, WA 98430-5122
n Pocket knife, whistle, matches, duct tape, Phone: 800-562-6108
Naval Station, Pacific Beach Fire Station, Website: http://www.emd.wa.gov/
and rubber, latex, and heavy-duty gloves and Seabrook Development, Pacific Beach;
WHERE CAN I STAY UNTIL THIS IS OVER? and old North Beach High School, Moclips. This map was produced by the
Washington State Department of Natural Resources,
Local emergency management has tried to WHAT ARE THE NOAA WEATHER RADIO Division of Geology and Earth Resources,
in cooperation with local emergency management officials.
designate safe assembly areas within a
reasonable distance for foot traffic. If you
FREQUENCIES? Safety Tips for the
Astoria, 162.40 MHz
are at risk from a tsunami, but do not have Olympia, 162.475 MHz Washington Coast
an “official” assembly area close by, you Mount Octopus, 162.425 MHz
Printed on recycled paper July 2007