Earthquake Facts and Safety Tips
Know the relevant facts and figures about earthquakes. When do they occur? How damaging are they? What do you need to look for when an earthquake hits, and how do you need to respond in case the worst happens? Know what to do when it comes to earthquakes.
EARTHQUAKE TIPS
Know the facts and figures
WHEN DO THEY OCCUR?
JAN. DEC.
Earthquakes cannot be predicted.1 They can occur at any time of the year.2
2014 EARTHQUAKE HAZARD MAP
The 2014 U.S. Geological Survey (USGS) National Seismic Hazard Map integrates what scientists have learned about earthquake data and activity to evaluate earthquake hazards across the country.3
Scientists have never predicted a major earthquake, but the U.S. Geological Society calculates probabilities for potential future earthquakes.1
The National Earthquake Information Center locates around 20,000 earthquakes each year, or 55 per day.4
WHAT TO LOOK FOR5
Foreshock
An earthquake that occurs before a main shock of an earthquake.
Aftershock
A smaller earthquake that often follows the main shock of a large earthquake.
HOW TO RESPOND2
If you are inside when an earthquake occurs, remain inside. Move to a secure area and stay away from windows and glass. Do not use the elevators or escalators.
Drop to the ground, take cover by getting under a sturdy piece of furniture and grasp firmly until the shaking stops.
If you are in bed when an earthquake occurs, stay there and protect your head and neck with a pillow.
If you are outside remain away from buildings tress and power lines and drop to the ground.
If you are in a vehicle pull over to the side of the road. stay away from an overpass, under a bridge, under streetlights or near power lines and trees.
If you become trapped under debris, remain where you are and cover your mouth with clothing. Make noise by tapping to alert to others.
HOW DAMAGING ARE THEY?
10,0006
Average number of earthquakes in southern California every year
10-307
Seconds that the average earthquake lasts
9.28
Magnitude of biggest U.S. Earthquake, in Anchorage, Alaska, March 27, 1964
500,0009
Square mileage of the great Alaska earthquake of March 27, 1964
$40 bil10
Costliest U.S. earthquake, in Los Angeles, January 17, 1994
KNOW WHAT TO DO
when it comes to earthquakes
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