Yorba Linda Quakes Detected By New Early Warning System

CBSLA.com) ^ | August 8, 2012 10:53 PM

[BenLurkin]

PASADENA (CBSLA.com) — The pair of quakes that hit near Yorba Linda last night and Wednesday morning were detected by a new earthquake warning system that was showcased at Cal Tech.

A 4.5-magnitude temblor struck one mile northeast from Yorba Linda at 11:23 p.m. Tuesday.

Less than 10 hours later, a 4.5-magnitude quake struck two miles from the same location.

“In the case of the first event last night, here in Pasadena, we got about nine seconds warning before the strongest shaking was felt here,” said Douglas Given from the U.S. Geological Survey. “In the case of the second quake, it was a little bit less…about four seconds warning.”

Experts said this prototype system is the first to ever pick up quakes before the ground started shaking

[Paladin2]

I (safely) predict many more earthquakes in California.

[roylene]

Southern California has its seasons fire, fog, floods, and fracking quakes.
Even if the quakes can be predicted twenty minutes ahead, what will that do ? It’s still going to happen.
Unless buildings are already built to quake standard what does knowing for a few minutes before get you?
Just wondering

[BenLurkin]

This is detection. Not prediction.

If you want prediction, this guy is always predicting ......http://www.quakeprediction.com/

[JRandomFreeper]

Even if the quakes can be predicted twenty minutes ahead, what will that do ?

Well, it would give you time to take that pan of hot oil off the stove and move that beaker of acid off the edge of the table.

/johnny

[BenLurkin]

I wouldn’t mind having 9 seconds warning if I’m at the stove fixing soup or pasta. It could save me from getting a nasty burn.

[roylene]

Well that is a good point

[Paladin2]

Cool:

[bgill]

The warning was 4.5. The quake was 4.5. Uh, ok, then.

[EveningStar]

SoCal Ping!



Attention Southern Californians

Please ping me with any Southern California related articles. Thank you!

If you want on or off this ping list, please FReepmail me.

[who_would_fardels_bear]

Even if you have only a few seconds that's enough time for an automated switch to turn off the gas main.

[NCLaw441]

Does the warning say WHEN the quake will occur? Is it always 9 seconds later? Is it ever hours later? If I am warned that there will be a quake “sometime soon” how does that help me?

[Mr. Bird]

There's a joke about Nixon turning in his grave somewhere in there, considering the lies emanating from the White House.

[BenLurkin]

I'm no scientist but here's how I understand the detectors work.

Every earthquake sends out different types of shock waves, some of which are faster than others. The detector senses the faster (often barely felt by people) waves as they arrive and then warns of the coming heavy motion that inevitably follows.

What this means is that the the bigger the quake (and the farther away you are) the more warning you will have. If you are right on top of the epicenter then you will receive little or no warning.

But there is no warning at all until after the earthquake has actually begun.

[Churchillspirit]

Thanks for the warning. I’ll pass the info. along to my cats....although they probably already know - being smarter than us :)

[Ernest_at_the_Beach]

OK...if this guy is right 50% of the time ....I want out of here.