Just in: 4.6-magnitude earthquake 12 miles west of Santa Barbara, CA
JUST IN: 4.0-magnitude earthquake near Rancho Palos Verdes, California
Details: http://nbcnews.to/10z5TB2
Just in: USGS reports 7.9 magnitude earthquake off the coast of Costa Rica. Tsunami watch issued for the Caribbean.

What we’re following: - Hurricane Irene strengthens, takes aim at East Coast - Firefighters work to prevent rail car explosion And did you see… - After the quake, Washington Monument closed indefinitely due to cracks

What we’re following: - Prosecutors seek to dismiss Strauss-Kahn charges - Earthquake shakes Colorado, largest since 1973 And did you see… - Hurricane Irene threatens the U.S.


