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Quake Alert Issued for Southern California – Update below

Posted by Elise on October 3, 2016

Nate Brelsford (freeimagesw.com)

Nate Brelsford (freeimagesw.com)

WE HAD A 3.7 MAGNITUDE ON SATURDAY, OCTOBER 8, 2016

 

 

Southern California cities should remain on heightened alert into early this week for the increased possibility of a powerful earthquake following a swarm of temblors near the Salton Sea, officials announced.

Such warnings are uncommon – typically issued once or twice a year, said Kelly Huston, the deputy director of crisis communications for the Governor’s Office of Emergency Services. Given the swarm’s location near the San Andreas fault, the Governor’s Office of Emergency Services issued the warning this week.

The Salton Sea is located on the 800-mile-long San Andreas, the state’s fastest moving fault. It experienced 142 temblors starting Monday. Those quakes ranged in strength from a magnitude of 1.4 to 4.3 near Bombay Beach at the southern end of the fault, according to the U.S. Geological Survey.

Because of the cluster of quakes, scientists estimate the likelihood of an earthquake of a magnitude 7.0 or higher increased to between 0.03 and 1 percent, according to the Governor’s Office of Emergency Services. That means the probability of a sizable earthquake on the southern San Andreas fault being triggered is between 1 in 3,000 and 1 in 100. That heightened probability will last through Tuesday with the odds decreasing over time.

The southernmost end of the fault hasn’t ruptured since 1690, and has been building up stress for 326 years. Earthquakes along the San Andreas typically occur every 300 years, said Morgan Page, a geophysicist with the U.S.G.S. Earthquake Science Center.

There is significant stress stored on the southern end,” Page said.

A common misconception about earthquakes is that smaller ones relieve pressure on a fault and reduce the chances of a major earthquake happening. Not so, said Page. Little quakes can actually trigger more powerful ones.

Almost all the energy is in the large earthquakes,” Page said.

Famed seismologist Luch Jones tweeted Friday that similar swarms happened in 2001 and 2009. The current quake cluster, she wrote, had ended and the risk of a major earthquake is already “mostly gone.”

The advisory comes the same week Gov. Jerry Brown signed legislation to develop a statewide warning system, and Californians will one day be able to receive alerts on their cellphones.

California is earthquake country,” said Mark Ghilarducci, the director of the state’s Office of Emergency Services. “We must always be prepared and not let our guard down.”

Source: The Orange County Register by by Lauren Williams, staff writer, lawilliams@schg.com,

(dated 9/30/16, updated: October 2, 2016)

 

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World’s Largest Earthquake Drill

Posted by Elise on September 30, 2016

shakeout_global_2016_poster_getready_color

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Triangle of Life

Posted by Elise on January 6, 2016

The E-mail  about “triangle of life”  by Doug Copp is dangerous.  Please do not take his advice.  Experts at every level in the U.S. agree that “Drop, Cover, and Hold On” is the best thing to do during earthquakes. Read the rest of this entry »

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Earthquake Myths

Posted by Elise on January 6, 2016

clix (sxc.hu)

MYTH #1: ” Big Earthquakes Always Happen in the Early Morning!” Read the rest of this entry »

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During an Earthquake

Posted by Elise on January 6, 2016

What to Do During an Earthquake

Stay as safe as possible during an earthquake.  Be aware that some earthquakes are actually foreshocks and a larger earthquake might occur.  Minimize your movements to a few steps to a nearby safe place and stay indoors until the shaking has stopped and you are sure exiting is safe. Read the rest of this entry »

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Earthquake Safety Steps

Posted by Elise on January 6, 2016

Seven Steps to Earthquake Safety

These steps were developed by members of the Earthquake Country Alliance and are based on many existing resources and the advice of many organizations.  Earthquake Country Alliance member have specific things they need to do before, during, and after an earthquake so as to reduce earthquake damage and injuries, and to speed recovery.  But, you need to do your part.

1.  Identify potential hazards in your home and begin to fix them.

2.  Create a disaster-preparedness plan.

3.  Prepare disaster supplies kits.

4.  Identify your building’s potential weaknesses and begin to fix them.

5.   Protect yourself during earthquake shaking- drop, cover, and hold on.

6.   After the earthquake, check for injuries and damage.

7.  When safe, continue to follow your disaster preparedness plan.

 
Source:  Putting Down Roots in Earthquake Country
 
Originally posted: 11/18/09

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Earthquake Advice for People With Disabilities or Access and Functional Needs

Posted by Elise on January 6, 2016

cuervo (sxc.hu)

During a significant earthquake, you could experience sudden and intense back and forth motions of up to six feet per second. The floor or the ground would jerk sideways out from under you. Every unsecured object around you would likely topple, fall, and become airborne, potentially causing serious injury. Strong shaking might not end for you until a minute and a half after you first felt the earthquake.  That’s why federal, state, and local emergency management experts and other official preparedness organizations all agree that “Drop, Cover, and Hold On” is the appropriate action to reduce injury and death during earthquakes.

If you cannot Drop, Cover, and Hold On, there are modified actions you should immediately take to protect your head and neck.

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After an Earthquake

Posted by Elise on January 6, 2016

What to Do After an Earthquake

Expect aftershocks These secondary shockwaves are usually less violent than the main quake but can be strong enough to do additional damage to weakened structures and can occur in the first hours, days, weeks, or even months after the quake.

Listen to a battery-operated radio or television.  Listen for the latest emergency information.

Use the telephone only for emergency calls.

Open cabinets cautiously.  Beware of objects that can fall off shelves.

Stay away from damaged areas.  Stay away unless your assistance has been specifically requested by police, fire, or relief organizations. Return home only when authorities say it is safe.

Be aware of possible tsunamis if you live in coastal areas.  These are also known as seismic sea waves (mistakenly called “tidal waves”). When local authorities issue a tsunami warning, assume that a series of dangerous waves is on the way. Stay away from the beach.

Help injured or trapped persons.  Remember to help your neighbors who may require special assistance such as infants, the elderly, and people with disabilities.  Give first aid where appropriate.  Do not move seriously injured persons unless they are in immediate danger of further injury.  Call for help.

.Clean up spilled medicines, bleaches, gasoline or other flammable liquids immediately.  Leave the area if you smell gas or fumes from other chemicals.

Inspect the entire length of chimneys for damage.  Unnoticed damage could lead to a fire.

Inspect utilities.

 Check for gas leaks.  If you smell gas or hear blowing or hissing noise, open a window and quickly leave the building.  Turn off the gas at the outside main valve if you can and call the gas company from a neighbor’s home.  If you turn off the gas for any reason, it must be turned back on by a professional.

Look for electrical system damage.  If you see sparks or broken or frayed wires, or if you smell hot insulation, turn off the electricity at the main fuse box or circuit breaker.  If you have to step in water to get to the fuse box or circuit breaker, call an electrician first for advice.

Check for sewage and water lines damage.  If you suspect sewage lines are damaged, avoid using the toilets and call a plumber.  If water pipes are damaged, contact the water company and avoid using water from the tap.  You can obtain safe water by melting ice cubes.

www.fema.gov

Originally posted: 11/17/09

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Disaster Proofing Your Home

Posted by Elise on January 6, 2016

Ayla87 (sxc.hu)

The federal government declared 86 major natural disasters in the first nine months of 2011, more than in any full year in the past. Ten of those disasters topped $1 billion in damage, and at least three—Hurricane Irene along the Atlantic coast up to Vermont…the Virginia-based earthquake…and wildfires as far north as Minnesota—remind us that disasters can strike homes that are not built to withstand them. There’s no way to make a house completely disaster-proof, but there are home-improvement projects that can significantly limit damage and/or improve the odds that a home will survive. Not all of these projects make financial sense for every home owner, but many provide considerable protection at a reasonable price.

Helpful: Insurers sometimes offer discounts to home owners who invest in home-protection upgrades. Read the rest of this entry »

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Surprising Places Earthquakes can Happen

Posted by Elise on January 6, 2016

LilGoldWmn (sxc.hu)

Thousands of Earthquakes Hit the U.S. Each Year (and Not Just California)

Major earthquakes in Haiti and Chile this year left hundreds of thousands of people homeless, injured or dead. Virtually ignored amid news of these disasters was a much smaller earthquake in Read the rest of this entry »

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