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4.5 Earthquake Shakes Southland

Los Angeles County residents are shaken by a magnitude 4.5 earthquake, which was followed by 13 aftershocks.

BREAKING NEWS, 9:56 a.m.:

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SOUTHERN CALIFORNIA — A magnitude 4.5 earthquake struck Southern California at 11:23 p.m. Tuesday, followed shortly by 13 aftershocks, according to the U.S. Geological Survey.

The temblor's epicenter was about 2 miles north-northeast of Yorba Linda, Calif., putting it about 29 miles east-southeast downtown Los Angeles, according to the U.S. Geological Survey.

Initially reported as a magnitude 4.4 temblor, the U.S. Geological Survey upgraded the magnitude to 4.5 on Wednesday morning, according to its website.

On the ground and in the air, firefighters checked large buildings, schools, power lines and "critical infrastructure," according to an alert from the Los Angeles Fire Department. No injuries or significant damage were reported.

In Orange County, there were .

The Long Beach Police Department reported no damage shortly after the earthquake. The department's relatively new high-rise is built on rollers.

"We definitely felt it here," said a desk officer on duty. "We rolled for awhile after it hit."

Less than an hour after the earthquake, the U.S. Geological Survey received more than 2,300 responses from people living in 401 zip codes who said they felt the earthquake. To submit your own report, click here.

The quake was felt as far north as Castaic and Lake Hughes and as far south as San Diego and El Cajon.

According to USGS data, 13 aftershocks, ranging in magnitude from 1.2 to 2.7, struck the same general area between 11:24 a.m. and 3:06 a.m. The largest aftershock hit about a minute after the initial earthquake.

The initial earthquake and its aftershocks were measured at depths ranging from 3.1 miles to 5.9 miles on the Whittier fault.

Did you feel the earthquake or its aftershocks? Vote in our poll below, and tell us where you were in the comments.

—Patch editor Nancy Wride contributed to this report.

Editor's note: This article was updated at 11:08 a.m. Wednesday to note that the earthquake's magnitude was upgrade to 4.5. Additionally, it was updated earlier to note that there were at least 13 aftershocks.

Aubianne M Poulter August 08, 2012 at 05:55 PM
You're kidding, Tom. You DIDN'T feel a 4.4 in Scottsdale? You must sleep like the dead!
lahope August 08, 2012 at 05:58 PM
Slept through it in Santa Monica Canyon.
Lgraves August 08, 2012 at 05:59 PM
We felt it in the city of Orange! My son(4)says, "mom what was that?" I say, "it was an earthquake." he says, "is that when an alien plane hits the earth and makes it shake?" I just laughed..
Raymond LaMarr August 08, 2012 at 06:12 PM
I have been in calif all my life,Born here in Pasadena . I have felt some strong shakes and some soft earth moveing shakes. And for some reason, for the last two or three times we have had an earth moveing experance,I felt it going to happen. This in my mind will happen with in three to four days before it happens.Could be a lot of B S. But none the less I felt that way. I do not like them, and would like to think about somthing other than that. I will avoid things when I think about them like free way bridges, over pass, and high buildings. and now avoid these things for the next three days. I think........................?
Irene Gibson August 08, 2012 at 06:26 PM
Animals have that sort of 'sense' and tend to move to a 'safe place'. Trust your 'feeling' and use it to prepare for whatever is coming. Not many of us are so lucky. Oliver Sacks is one of a few scientists who study those senses.......lots of mysteries about brains and how they work.
John Emerson August 08, 2012 at 06:27 PM
We were at Leo Carrillo beach and heard several low frequency booms like Jurassic Park stomps but didn't feel anything. It spooked lots of people!
Spunky1 August 08, 2012 at 06:37 PM
North Hollywood - felt a quick, fast shaking at my place - even turned to the news last night. (But nothing like when I lost my apartment in the Northridge quake!)
Lastradioman August 08, 2012 at 06:38 PM
I've been in public safety and the military, and have been trained and power-pointed to death. In the aftermath of a quake, fire/police/EMS or utilities may not be able to help you for up to 72 hours. Have water, food, pet food, personal items and medicines to get you through this period. Do not count on cellular, internet, Cable, telephone, power, water or gas utilities. Looking at it another way, do you have the supplies to "camp out" in your back yard or in a high-school gym for 72 hours? I recommend the on-line FEMA courses as well as FEMA's "Are You Ready" publication. CERT training is also excellent.
Katie Miller August 08, 2012 at 06:58 PM
Excellent Advice Lastradioman! First of all, "Thank you for dedicated service; greatly appreciated. We're adding to our emergency kits!
Local Person August 08, 2012 at 07:02 PM
Wow, didn't realize so many from out of the area read the Cerritos Patch! Woke me up here in Cerritos with a mild sway.
Taylor August 08, 2012 at 07:28 PM
Buena Park.
Nancy Wride (Editor) August 08, 2012 at 07:49 PM
Christine, please email me about your fracking work. nancy.wride@patch.com Gratze.
Pete Lippman August 08, 2012 at 07:56 PM
Nothing in Malibu. We don't allow earthquakes.
Amy August 08, 2012 at 08:06 PM
Amy in Irvine Slept through the one last night, but sure felt the one this morning at 9:36. Started with a little wiggle and then a sharp jolt and it was over. I think we've had enough for awhile!!
Onyx Joanne Henneke August 08, 2012 at 08:17 PM
They actually circulate the same article on the Patch for multiple cities. Cerritos was just one.
Ollie Zaragoza August 08, 2012 at 08:18 PM
I felt the earthquake and the aftershock as well. Anything under 2.0 I do not feel but all quakes over 2.0 my house will shake or have some movement or tweeks and I do feel quite a few quakes in my home. I am in a wheelchair all my waking hours and don't have to move around much when I am doing something with my hands, quakes hit and my chair jiggles and I feel very many quakes.
cleveland lewis August 08, 2012 at 08:59 PM
Please b. Ready a big 1is on the way its only a out time start preparing now it Will sHe u in the long run
Irene Gibson August 08, 2012 at 09:00 PM
Wise also to always have at least half a tank of gas in your car, particularly before you go to sleep for the night. That was helpful after the Northridge quake.
Rebecca Whitnall (Editor) August 08, 2012 at 09:22 PM
Onyx is correct. Most of our articles are hyper local and only are posted on a specific site, but when something happens that affects a whole region, we'll share. That way, we're not all writing the same article and editors can go back to covering your town.
Yami August 09, 2012 at 06:05 AM
......if its not MORE then 6.0 ..... who cares !!! Go away
Candace Culp August 09, 2012 at 07:49 AM
We live near The Grove in West Hollywood and were watching TV Tuesday night when the room gave a shudder.. Stayed alert in case it was the beginning of something bigger...thankfully that was all.
Paul August 09, 2012 at 08:36 AM
I've been scared all day and can't sleep fr fear the earthquake will come.
Miki Henderson August 09, 2012 at 02:16 PM
You know, I've been scarred too because I know there's something about Thursdays and heat and earthquakes. Is it true, i remember reading about how moon and tide pulls and heat just after it rains can affect when an earthquake is happening, and what about the fracking? I'm on a hill in studio city that will just bury me!!!!
Dave Gray August 09, 2012 at 02:35 PM
I've been scared too and glad to see others admit it. There is a high probability that there will be another major temblor today. Store your water, and dust off that generator. By the way,dude, hot profile pix, but conservative? Really? What a shame.
Dave Gray August 09, 2012 at 02:36 PM
I've been scared too and glad to see others admit it. There is a high probability that there will be another major temblor today. Store your water, and dust off that generator. By the way,dude, hot profile pix, but conservative? Really? What a shame.
John B. Greet August 09, 2012 at 02:52 PM
There's nothing wrong with feeling afraid about this. In fact a healthier dose of fear is probably what most folks in So. Cal need! The trick is to then allow that fear to be a motivator...an enabler...of action, rather than allow it to keep you from sleeping or from acting -in constructive ways- to prepare. A larger earthquake is due here in So.Cal. Along some faults (like the Newport-Inglewood that pretty much bisects Long Beach) a larger quake is actually *over* due. That is, indeed, a fearful fact, but since there is nothing anyone can do to prevent the quake, wherever and whenever it happens, the next best course of action is to prepare. Prepare in a meaningful and effective way. Do this starting today. Once you have done everything you reasonably can to prepare for the aftermath of a major quake, you will be less fearful and sleep better.
Paul August 09, 2012 at 05:25 PM
I recently moved into a down stairs apartment. These earthquakes have me fearful. I keep thinking of the 1993 Northridge earthquake and the apartment building that collapsed killing all the downstairs occupants. I stayed in a hotel last night. I may go stay at a friend for a few days?
Paul August 09, 2012 at 05:33 PM
PS - Thanks Dave. Being conservative somewhere along the way became a bad thing. I don't use drug or abuse alcohol. I have experienced some small level of drug use. Enough to know it isn't for me. I'm all about keeping healthy which is hard living in the city. I get a lot of flack from people who say I am conservative. I'm gay but don't get all militant about it making scenes at restaurants that don't approve of my being gay. That's just stupid! I REALLY don't care about gay marriage either. I like being a gay man and not being bound down to the same pressures of marriage that my straight brother endure. Gay men need to wise up and STOP with the gay marriage issue. We have the best of both worlds already guys. STOP the silliness I say.
gerrymulligan August 11, 2012 at 03:39 PM
anyone fell the one about 4 min ago
Amy Condit August 15, 2012 at 09:40 PM
I live in Los Alamitos, and my townhouse shook from side to side. It knocked some books off the shelves, so I feel I got off easy! ;)

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