Earthquake in Southern California

Southern California Earthquake Data Center ^ | January 5, 2024

[Fiji Hill]

A light earthquake occurred at 10:55:54 AM (PST) on Friday, January 5, 2024. The magnitude 4.1 event occurred 1 km (1 miles) WNW of Lytle Creek, CA. The hypocentral depth is 9 km ( 5 miles).

[Fiji Hill]

I felt the earthquake here in North Orange County.

[Orosius]

Not strong enough to count.

[Wuli]

Am I wrong, or isn’t the depth of 9km/5mi a shallow depth?? In fact it seems to VERY shallow.

[jpp113]

Felt it here in Glendale, but I am also on the 10th floor of an office building

[Wuli]

Am I wrong, or isn’t the depth of 9km/5mi a shallow depth?? In fact it seems to VERY shallow. And, if my prior reading is correct shallow earthquakes can - possibly, given many variables - be more damaging because the seismic wave does not have to travel as far as deeper quakes in order to be felt.

[al baby]

We felt it over here at home by Knotts too

[BenLurkin]

Grandpa Lurkin lived his entire life in SoCal. He opined that as long as there are little earthquakes there won’t be a big on.

[null and void]

I used to go shooting there.

[dfwgator]

[Jeff Chandler]

I’ve camped there.

[avital2]

felt in Tarzana. wonder if there is a connection to 4.+ on New Years Day

[Vendome]

magnitude 4.1

Whatever...

[Beowulf9]

😆

[verum ago]

Am I wrong, or isn’t the depth of 9km/5mi a shallow depth?? In fact it seems to VERY shallow.

In the big scheme of things, not that shallow. In fact, when the USGS cannot determine the depth of an earthquake, they typically assign it a value of 10 km because where the worldwide data tends to cluster around.

It might seem shallow because the bigger earthquakes that get media attention tend to be deeper.

In fact, a quick look at California DEC's page says most California earthquakes are at a depth of 4-6 mi (6.4-9.6 km).

A quick look at the USGS "Latest Earthquakes" map centered on the continental US gives the following depths for M2.5+ earthquakes over the last day:

6.7 km
11 km
16 km
8.8 km (this one)
5.7 km
8.7 km
3.9 km
5.7 km
5.0 km

average: 7.9 km

[Jonny7797]

There is a great outdoor shooting range in Lytle Creek, CA.

[Fiji Hill]

I used to go shooting there.

I did, too. Lytle Creek was a popular place to do target practice.

[dragnet2]

Lytle Creek, where all the gang bangers go to shoot...Leaving behind their targets...Junk stoves, microwaves, TVs, computers...Last time I was there is looked like a junk yard full of shot up junk...

[dragnet2]

BTW, for the folks still left in S. CA, Lytle creek is at the base of the Cajon Pass, right where the San Andreas fault is...

[Sarah Barracuda]

Didnt feel it here on the westside but was watching ABC7 and Lucy Jones(She’s always the one to go on tv after a quake) I missed some of what she said but she mentioned that this quake was in the vicinity of the san andreas fault line

[DAC21]

The wife felt it in Chino, I guess the dog started barking. I was driving so I didn’t feel a thing. The epicenter is where I have gone shooting at a private outdoor range a number of times.