We just had a 5.6 earthquake here in SoCal (Chino Hills).
The are calling is a pre-shock to a bigger earthquake that we haven't had yet. How the heck do they know that
We've had about 12 aftershocks in the past hr.
The are calling is a pre-shock to a bigger earthquake that we haven't had yet. How the heck do they know that
![Confused](https://www.tigeowners.com/core/images/smilies/confused.gif)
![Confused](https://www.tigeowners.com/core/images/smilies/confused.gif)
We've had about 12 aftershocks in the past hr.
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