Livermore earthquake: Bay Area reacts to magnitude-4.3 temblor on Twitter

BLACKHAWK, Calif. -- When you think you've felt an earthquake, what's the first thing you do?

Barring injury or damage, many would say they run to their Twitter feeds for confirmation - And that's exactly what happened after a 4.3 magnitude temblor rattled the East Bay Tuesday afternoon.

People reported feeling it in a wide range of places:

Click here for the latest stories and videos about earthquakes here in the Bay Area and around the world, and click here for more information on disaster preparedness.

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