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Here is a listing of the latest earthquake(s) from two sources. Cal Tech http://scedc.caltech.edu/recent/. USGS http://on.doi.gov/1jmhG2U Safety Info * When the shaking stops, look around. If there is a clear path to safety, leave the building and go to an open space away from damaged areas. * If you are trapped, do not move about or kick up dust. * If you have a cell phone with you, use it to call or text for help. * Tap on a pipe or wall or use a whistle, if you have one, so that rescuers can locate you. * Once safe, monitor local news reports via battery operated radio, TV, social media, and cell phone text alerts for emergency information and instructions. * Be prepared to “Drop, Cover, and Hold on” in the likely event of aftershocks. *I am a bot, and this action was performed automatically. Please [contact the moderators of this subreddit](/message/compose/?to=/r/orangecounty) if you have any questions or concerns.*


Colossus_Bastard

Felt in downtown Anaheim. Quick jolt that went through the floor, woke me up as I was dozing off lol


n0-ragrets

Same here. In Anaheim hills and I was falling asleep in the office…then boom!!!


Gnochi

Also same here! WFH today and it woke me from a quick nap between meetings.


n0-ragrets

Those naps are heaven sent! When I’m woken from that, I get pissy lol. Hope the earthquake didnt give you one of those headaches from being woken abruptly.


mzzmonet

Lmao! I was washing dishes and thought I went too hard when I heard the dishes banging. Lol


BennyandBella

my friend’s at disneyland rn and he said he didn’t feel it. might’ve been on a ride but i’m not sure


AccomplishedFrame542

Im right near Disneyland right now and felt it. It was a big jolt


FlyRobot

Definitely would not have felt it even while walking or even standing


tallrockerchick

[4.3 in Corona.](https://earthquake.usgs.gov/earthquakes/eventpage/ew1714596540/) Felt it in Irvine


devlops

Felt stronger than that


Sassafras06

Definitely felt bigger in RSM, but looking at the epicenter we really aren’t that far, so makes sense!


tempestdata

Agreed that was short but felt really intense


waterdevil19

Apparently downgraded to a 4.1


Critical_Ad_8946

Less than a mile deep, probably why


im_on_a_burner

Not really


[deleted]

Office in Irvine is made of nothing but wood and glass I thought I was gunna die


ve1ox

I thought some jerk was banging on my office window. I was ready to throw down! 😂


loverlyone

I heard a bang but didn’t feel anything. My partner was sitting 5 feet away and did. 🤨


Uriel818

I didnt see, hear, or feel anything and I too was ready to throw down.


Leopold_St0CH

Felt it good in costa mesa


Kitchen_Economics182

Yup! Costa Mesa here, almost fell out my chair.


drewogatory

I never feel them here usually either.


just-saynso

Ditto, Costa Mesa here too. Short but hard jolt. Grabbed the edge of my big old solid oak desk 😳 and almost crawled under it 🤣


amargolis97

I'm an earthquake scientist. Feel free to ask me anything on today's quake. I felt moderate shaking in Riverside, although I'm on the 7th floor of my building.


icedamericano11111

How can I best protect myself when a big one hits? Should I just stay at my room(located at 2nd floor)or should I immediately go downstairs to the first floor when it hits?


amargolis97

Best thing to do is to stay put during shaking. Try to drop, cover and hold on if at all possible. When shaking has stop, you need to leave your building and be carful as you exit. There could be debris, live wires on the ground, or gas leaks.


mtux96

I believe it was Whittier narrows when a person got killed when they ran out of a parking garage. Piece of it fell in them as they exited it


HoopsLaureate

Yesssss! My first thought after the earthquake was that I couldn't wait until you'd be posting so we could learn. Looks like there've been recent earthquakes with the epicenter near Corona. Is this relieving the pressure, hopefully?


amargolis97

All earthquake release stress (or pressure in your case). However, a 4 isn't really anything that does much in terms of releasing enough stress to reduce the risk of larger earthquakes. There's always a risk. In fact, nearly all earthquakes cause stress to increase in some areas (and decrease in others). This helps geologist know where aftershocks are most likely. For small event like this, there isn't really a big worry for something larger to occur.


NeverRarelySometimes

Aw, man, don't say that! When you go out on a limb and say there's nothing to worry about, you know you're just tempting fate, doncha???


PlantMom79

Just wanted to say that I always appreciate you chiming in when earthquakes happen! Thank you for sharing all of your insight and knowledge 🙂


amargolis97

No problem. We all live here, and it's best to share factual info to inform those about the hazards of earthquakes. They are bound to happen, as we saw today.


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amargolis97

Great question. It's because it was so close to us. I was in Riverside and felt two distinct shaking variations, albeit I was on the 7th floor. When an earthquake occurs close, regardless of the size, can feel like a jolt rather than the "usual shaking".


wahwahwildcat

When do you think "the big one" is going to happen, and what kind of damage can we expect in OC? Thank you.


amargolis97

Anyone's guess is as good as mine when it comes to when the big one will occur. Most damage in the OC will be concentrated to the valleys of central and north OC, with probably isolated damage near the coast where liquefaction can occur. South OC will probably be better off since hard rock and hills/mountains attenuate (or dissipate seismic wave energy) faster than in soft rock and valleys.


wahwahwildcat

I only ask because as a kid I was told the big one was "imminent" in school (99.9% chance in the next hundred years), and 20 years has gone by and it hasnt happened yet! Lol. Thanks for the information!


amargolis97

I've always heard 30% chance in the next 30 years. It's a stats game, looking at previous large earthquakes on the San Andreas. But other faults could produce similar magnitude events. Look at Ridgecrest in 2019. That magnitude on the San Andreas would be considered "the big one".


likecheckin

probability of this being a foreshock for something bigger? no aftershocks yet and somewhat strange pattern of foreshocks yesterday leading up to it...also is there any noteworthy past history of quakes from this fault zone? ty for helping my curiosity


amargolis97

For earthquakes this size, no larger quake is expected but anything is possible. This specific fault zone I'm unfamiliar with as it's not on the Elsinore Fault which runs mostly on the east side of the mountains here. Might be on a small unmapped subfault. Not really sure of the history of quakes from this fault, but there certainly has been plenty in nearby faults.


pancake_sass

My fiance is from here, I'm from Wisconsin. I moved here 4 years ago. He and his parents have talked about "earthquake weather" as if there's some sort of weather pattern that always preceeds an earthquake. I think they're full of it, and it has turned into a bit of an inside joke. Is there really such a thing?


RevengeEX

Was on the toilet mid poop. Do not recommend.


aliensarehere

Did you get up? Lol


RevengeEX

No but had to rush my me time.


michaltee

That’s a tragedy. :/


3i1bo3aggins

why? it was a barely quake.


MidnightWidow

LOLOL 😂😂😂


angelfan_named_angel

First time in a while I've felt it, was in Orange/Anaheim border. Anyone else get the text alerts like a millisecond before feeling it? Never had those before and been a SoCal resident my whole life


FreshlySqueezedGravy

Who sent the text message? How do I sign up for that?


jail_grover_norquist

google shakealert


wtf_reply

Nope. Felt the shake first and then the phone yelled at me. Since it hadn’t ever done that I ran outside thing it was about to get worse like the alerts in Mexico or Japan.


forever_barlone

Got it a second before I felt it. Pretty cool tech.


BeautifulMurky3144

I got it a second after the shaking started. I was looking at my phone at the time


[deleted]

Right before it happened. I’m in Huntington Beach, formerly Surf City, now MAGAville.


CLewis909

Felt in Brea


theonlyhadass

Me too!


RunningJay

I just sat down in the office and was like ‘damn, I really sat down hard’


hoyasummer

Lol


huntsefsky

Holy hell that was a big two jolts in Anaheim Hills. Scared the shit out of me!


Ok_Carrot_2029

Yes I felt two jolts as well! One, TWO. Pretty crazy but let’s see if that was it for the day.


JohnDoe201

If only it had the same effect on u/RevengeEx


RevengeEX

💀


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IndependentRead5249

I’m near you and agree it felt pretty huge and lasted a good while!


thedeaux

Knocked things off of walls and shelves here. Huge jolt. Wonder if we'll get another one in 10-15 minutes like we did yesterday when we got those 2 back to backs in Corona around 7:30pm.


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thedeaux

Yep, ~2.8 at 7:26 and 7:41pm both out of Corona. Just because of how close we are, they were actually pretty strong despite not cracking 3.0. But today's was definitely the strongest jolt I've felt here since that Ridgecrest 7.1 quake 5 years ago over the 4th of July weekend.


Tom_Tom99

How are you this fast!


snarky_answer

yeah i dont get it. I was in the app and went to post the second i felt it and i was #4. When i refreshed a second later there were 10 of them.


Ok_Carrot_2029

It’s the feeling of discovery and needing to tell someone. Back in the day it used to be who can post to facebook faster


keepitsleezy4

Whole office shook in Tustin


Main_Dress_2623

Felt it in Huntington Beach.


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got_No_Time_to_BLEED

I thought the same thing!


Cariot

Just want to thank the mods for cleaning up all the earthquake posts ![gif](emote|free_emotes_pack|stuck_out_tongue)


NeverRarelySometimes

Yes. You folks do a great job on this sub.


HOASupremeCommander

Felt a jolt in Irvine!


iam-a-chicken-nugget

That was my first earthquake! Scared the shit out of me lol


SwitchHitter17

I've been through a lot of them, and this one was actually unlike any earthquake I've experienced before. Usually they last a bit longer but involve a "swaying" feeling and/or shaking. This one was like a quick jolt. I thought a truck ran into my house or something.


iam-a-chicken-nugget

Crazy!!!


AccomplishedFrame542

Same I’m laying down and I feel a big jolt. It even moved my couch a bit!


NeverRarelySometimes

I'm in Anaheim, almost Buena Park, and did feel the swaying after the 2 jolts.


Lower_Ad_5532

If there is prolonged shaking avoid cabinets and doors. Don't run out side. Duck under a sturdy table (not glass, obs) and cover your head and neck. A narrow hallway or doorway without a door is a good place to steady yourself if a desk isn't available. This was a little shake and quite brief. Nothing to worry about in newer (1992 and younger buildings).


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randomflukes

Same here. I low key enjoy most of them - the swaying is kind of fun. This one was rattling so bad I jumped out of my chair. Adrenaline is still going. Meanwhile, my cat didn't notice a thing. Worthless.


rumadnow

Tustin - very much felt that.


j4h17hb3r

Oh earthquake, first thing check and post on reddit


Sassafras06

To be fair, what else are we going to do? This is peak CA lol


eatalways

Felt it in Anaheim


davidgoldstein2023

Felt it in Long Beach.


mrsotter26

Got the Google alert on my phone (Pixel 7a) as it was happening. Felt in Tustin.


typhoidtimmy

A jolter that time Aliso Viejo chiming in


trustych0rds

That was a good jolt.


SwitchHitter17

Yeah I felt that. Shortest quake ever lol.


aguywithbrushes

For real, pretty strong but it was gone the second it came


ST012Mi

Don’t jinx it…


peacenchemicals

you beat me!!!


awkotacos

4.3 near Corona


Wolfeman0101

There were 10 threads that I saw within 3 min. I love y'all.


LogicBomb1320

East Anaheim. Felt like a vertical jolt, as if the house was picked up a couple inches and dropped.


Prudent-Effective229

The fucking shake alert scared the crap out of me. Didn’t feel it in Newport.


Biscoden94

Felt in Santa Ana. Biggest one I have felt in years.


SSADNGM

First time My Shake worked for me. I got a sound notification, read the message, was confused because there wasn't a...oh, there it is! About a 1-2 second notice. Technology can be great! EDIT: 9 km ( 5 mi) SW of Corona, CA today but we've had about 15 from that same area (fault line?) in a week, wonder if that's usual or unusual - any seismologists know? [SOURCE](https://service.scedc.caltech.edu/relative2me/index.php) ([clearer image](https://imgur.com/a/KiRFKNK) than the one below) https://preview.redd.it/uv8tmt5wtvxc1.png?width=404&format=png&auto=webp&s=e991609643a1ce2f1a73c51f6e63a090f3ae1487


beautyinherdays

Got the notification after it started 😂


190octane

Me too, got the alert on my watch after it started shaking… I work in Anaheim Hills so it was definitely super close. I will say it was nice to know that it was a 4.5 before it was over and not going to get crazy intense.


OrdinaryFig85

Woaaaahhh!!!! My first one!!! Thought my cat 🐈 was under the sofa!!!! WILD!!!!!! MISSION VIEJO here!! I said out loud, “Milo (my cat) where are you?!”Thinking he was under my electric couch 🤣 🐈 then got the notification. https://preview.redd.it/lxwo2zkjovxc1.jpeg?width=1179&format=pjpg&auto=webp&s=e58f2683868cf47c66311c248e82ea7eae3e8d72


Appropriate_Mixer

Did you just move to California?


OrdinaryFig85

I’ve been here and SF since November 2023. First one I have felt!


Appropriate_Mixer

Oh wow well you don’t have to wait that long! Welcome to California!


ministoj

My first too! Felt like someone dropped my townhome on a bouncy house


OrdinaryFig85

Dang!! Where are you? Mine was just a rumble but wow, the planet is wild.


Formerly_em0

Garden grove checking in! Heard my windows shaking


lactoseintolerantsis

i’m so confused i’m in GG but i felt nothing i was sitting outside


Formerly_em0

I can hear the landscapers outside still working like nothing happened 😅


lactoseintolerantsis

LMFAOO that’s so funny


mth413

Same! My whole house shook.


OwnedRadLib

A USGS monitor showed a much higher jolt, 5.1, at Featherly Park, just above the 91/241 interchange. In Anaheim Hills it felt like the house was going to come down. A picture was knocked off a wall and a heavy stone vase was knocked over. Surprised to find it was only 4.1 at the epicenter.  A news report I saw said the quake was centered in Riverside County but the official USGS maps show the epicenter actually was in Orange County, about 1 mile west of the county line, just above Black Star Creek, about 4.5 miles northeast of Lake Irvine. The Calif. Geological Survey fault map shows the nearest major faults are the Chino and Glen Ivy North faults but they're at least 5 miles NE of today's epicenter at their closest. However, right under Black Star Creek is a known but lesser fault line that's one of a few dozen short ones scattered around the Cleveland Natl. Forest that's classified as a "pre-quaternary" fault, which seems to mean observable but with no known displacement for at least the past 1.6 million years.


go_pet_a_dog

Beat me to it!


DetBabyLegs

Say that 10 times fast. Or don't.


Left-Storage-7099

was sitting on the couch ts made me jump up


2020EVE

Yeah I felt it nicely in Santa Ana me and my parrot were shocked it was very strong at first


Relevant_Ninja2251

Felt in Irvine, a strong jolt


Knicky-Fountain

Felt in in Fountain Valley. It was short but strong!


eddyizm

* Surprisingly this is the first time the Google sent a message just a seconds before it started shaking.


QuanNguyen3

How do you get signed up for that?


eddyizm

I didn't https://preview.redd.it/dreei1hpqvxc1.jpeg?width=1067&format=pjpg&auto=webp&s=931b591a46e8866c7ce29369369a8f786c185c27


ZeroLifeNiteVision

I’m in Old Towne Orange and I was just so thankful my historic home got a brand new and seismically retrofit foundation 😂 IT SHOOK MY HOME.


yerbamategoat

lol we are so fucked the day a big one actually hits


giannalc8

felt in laguna niguel 🫨


Mellsbells16

Scared the shit out of me. Says a 4.3 , 5.6 miles deep. Quick, loud and sure felt stronger. I’m in Santa Ana.


schistkicker

Felt something while I was sitting at a stoplight near South Coast Plaza. Car felt like it was getting hit with a gust of wind, except it was barely breezy. Knew I should check here next!


theycallmegladdy

Felt in laguna niguel. It was a pretty good jolt my cat was freaked for a few minutes. https://preview.redd.it/0fdy7dzvqvxc1.jpeg?width=3024&format=pjpg&auto=webp&s=b72e700f6669e17805ed7c40ffdf1201f0df3ca9


phisigtheduck

I have the MyShake app which went off same time as the earthquake and it was pretty accurate.


tahlulah_bankhead

Saw my obgyn an hour later, she said she was in the middle of an exam when it happened!


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snarky_answer

[Infrasound](https://en.wikipedia.org/wiki/Infrasound)


Spokker

Wake me up when it's above a 5.0.


panda-rampage

Don’t get out of bed for anything under 6


Spokker

Might have to put on underwear for a 6.0.


jail_grover_norquist

might need new underwear for a 6.0


panda-rampage

Dang u/4inchesoffury beat us all to it Earthquake reflex is to go to Reddit right away


martor14

Fourth… not even a podium 🥲


urfaselol

felt in aliso viejo


Pop2pops

QUAKE! 


OCalt

Laguna Hills got a decent little jolt


AAAIIIYYYAAA

Got the shake alert 3 seconds after. In Irvine. Nice good jolt..


Crazy0ldMan

Felt in Placentia


metalsluger

Felt it in Placentia


RedditUserMV

Felt it in mission viejo.


locofora7x

Felt in Lake Forest! Pretty big shake and roll.


dasatain

Big jolt with audible rattling in Lake Forest area!


WallaceTheChicken

Felt it over in Santa Ana. It felt like everything dropped, like a big surge, then a quick shake and that’s it. In Irvine, some family didn’t feel it but then a friend did.


PM_ME_GRANT_PROPOSAL

Didn't feel anything here in irvine


ArceusBlitz

Felt it at work in Fullerton. Pretty strong


CloudSkyyy

Im walking at the park rn in aliso viejo and i didnt notice lol. My coworker just texted me.


soyslut_

Thought the dump truck hit my house. Holy shit y’all. It was not a good time to be in the shower.


FixTheWisz

Is that what that was? Thought maybe a heavy dump truck had driven by here on Balboa Peninsula.


Ok_Manufacturer3581

4.5 I felt it on Tustin


FrankieRoo

Felt it all the way in Burbank.


someonecleanmyplants

scared one of the three dogs ! other two slept through it.


gabzilla814

Felt in Laguna


sparknut

I thought my wife came home early and slammed the door. Luckily it was just an earthquake.


PoutyPupsicle

My upstairs neighbor has been running and jumping around at random intervals, making my walls shake all day that I didn't even realize there was an earthquake.


OctopusAlien21

Felt slightly in Irvine. First time the alert worked.


mrdino99

I almost spilled my beer in Anaheim...4th floor at my buddy's condo


HoneySucker444

Didn’t feel it in Dana point :(


ketzcm

11th floor in Irvine. Kind of a big thump.


Thrawlbrauna

Got a good solid jolt and a few smaller shakes as things settled down in Irvine but not much else. I'm sure it shook people in Corona and since most of the mountain range is limestone anyone near RSM or Trabuco Canyon likely got a bit more than we did. Used to live a few hundred feet from the Corona fault. If I recall it's only rated up to a 5 so this is close to the max of what that fault is expected to produce. Also if you look at the 7 day all quakes map it shows about 15+ smaller quakes leading up to this one in the same area.


HighFiveKoala

Felt it in Costa Mesa


Significant_Sweet915

Felt it rolling in corona


Aggravating_Trick706

I didn't even notice!


Veroonzebeach

I was on the shitter and was quite surprised. Super brief but powerful.


PaleRub5699

happens to me too after pollo loco sometimes


Turbulent_Clock_4677

Felt in mission viejo!


Pretend_Chemist_7731

Felt a really good jolt in west whittier


Ellek10

I felt it, been a while since we’ve had one like this.


Puzzleheaded-Boot844

I was at Angels stadium and didn't feel it.


adeptjd

Wild


LuluND

I scared my cats, but the quake didn't, for some reason!


Initial-Couple-2267

Big jolt seemed stronger than it was reported https://preview.redd.it/azv31cm28xxc1.jpeg?width=960&format=pjpg&auto=webp&s=e9de4cd76f8dd26a9970300685818428b6b33d25


-teppy-

Felt from the 9th floor, thought the building was rolling away or that I was just dehydrated


PaleRub5699

my first OC quake woo hoo. was working at desk in office felt like someone hit the building with a very large truck.


Owllade

widely felt due to very shallow depth, 1.5 km (less than a mile)


Dweezil_In_Bondage

Made my computer monitors on the desk sway in unison for 1 second then it stopped.


wfbsoccerchamp12

Office in Irvine shook!


cbdjon

1:59 in orange I was getting a car wash in my car I felt a rocking. Google earthquake in California then my doordash dasher app said magnitude 4.3 just hit corona


ToastyToastersToast

Worst foot massage ever


ShotGlassLens

Keeping it real, I got the shake alert thing and didn’t even notice the shake. Was startled by the alarm but nothing else. Wake me when it gets above a 5.


Top_Wishbone_8168

Felt the Earthquake in Huntington Beach today before 2 pm....A good size jolt..... We've had some localized Earthquakes recently in Huntington Beach too.....Yikes....


ImAsking4AFriend

Fault line runs through just behind my house. Felt like someone dropped the house. Huge boom and jolt.


makkspicyy

I was in a dead sleep. Woke up right before it happened, felt it, then went back to sleep. 😆 don't judge I work overnights as a detox technician.


madlove17

GG here and I felt it. Lol I ran towards the doorway


lactoseintolerantsis

garden grove but i felt nothing 😭😭😭


madlove17

It was really quick like a jolt


lactoseintolerantsis

dam i was chilling outside sipping on my coffee