Copyright CCCarto Source - USGS, ESRI. This map shows fault zones in the Yellowstone National Park region. Click on faults for more information. Other Earthquake Fault Maps: Hollister CA Area Faults Los Angeles Faults Santa Rosa Faults San Bernardino Area Faults Santa Cruz Area Faults San Francisco Area Faults Salt Lake City Area Faults Coastal Oregon Faults Main Web Map Index

Things to check or prepare before a earthquake -


1. Check your earthquake insurance policy. Property and valuables have gone up. Make sure you have
enough earthquake insurance coverage.
2. Make sure you have a wrench near your gas and water values. Many companies sell aluminum wrenches
that don't weather and can be place outdoor next to your gas value.
3. Do a check of things that would most likely fall in a earthquake. Anything top heavy with a high
center of gravity will most likely fall over. Move these items to lower shelves or fasten down with
velcro or double face tape.
4. Tall furniture with high centers of gravity will most likely fall over. All new HDTVs have a very
high center of gravity and could fall over or jump off their stands. You might want to firmly fasten
them to the wall or tv stand with screws or bolts. Make sure high bookcases are attached to the wall
with cleats or hinges. Strap your water heater to the wall. After a large quake the water-heater water
can be used for washing from the value at the bottom. You don't want to loose this water source.
5. Throw a old pair of tennis shoes in your car. You might have to walk after a quake. Tennis shoes
are better to walk in than dress shoes.
6. Check your garage for objects that could fall down and dent your car. Many shelves in garages could
have fronts put on them to keep things from flying out. Check and see where you park outside. If you
park near objects that could fall on your car, you might want to park some where else. These include
chimneys, unreinforced walls, glass buildings;etc.
7. Keep some water on hand for drinking. A few gallons for each person will keep you alive a couple of
days. Also, the water in your toilet reservoir tank can be used for washing.
8. Keep a radio on hand and flashlights in each room.

Things to check after a quake -


1. Check family members/pets in house. Call out and don't walk to them. Broken glass and items blocking
your way will be on the house floors.
2. If it is night. Find flashlight and shoes first before getting up. Make sure you are not in danger
before getting up. Items may have fallen in the house that could cause a threat. Example: If your house
has a large aquarium, it might have now fallen over and flood the house. Make sure you turn off the
electrical first.
3. If the quake was a very large, check for damage. Check for gas smell first and shut off main value
if you smell gas. Check for things that are partially fallen and secure them. They will most likely be
a aftershock that will complete the task of dislodging items.
4. Be very careful opening up cabinets and refrigerator. Many items will be broken and loose and will
fall out on you.
5. Unplug items that have fallen - TVs, stereos, microwaves, computers; etc.
6. Check for structure damage. Walls, door frames, cracks, chimneys, pool, windows, car, gas, water,
electric, phone. If your windows are cracked, you might want to tape them with duct tape to keep glass
from flying in a aftershock. If they are broken, knock out any loose glass.
7. After a large quake most cellphone and landline service will be out. Listen to the radio for
information if TV and power are out.
8. If water is still on after a quake you might want to fill water bottles and tub for water. Must
likely water mains will have broken and you will lose pressure fast.
9. Don't use toilet. The water in the reservoir tank is important to save.
10. Check for anything that has fallen outside. This includes power-lines and hazardous structures.
11. Check neighbors and see if they are ok. If they are not home turn off their gas. The number one
threat after a quake is fires. Most water mains will be broken and no water will be available to fight
fires. If a house near yours catches on fire, it will spread.
12. Keep freezer and refrig closed. Power will be off and item will last longer if you don't open the
doors.