Excellant article and site for changes going on and what to expect. Highly reccomended.
October 19, 2012– SAN FRANCISCO, CA – A bright fireball, reportedly with hues of red and orange, streaked across the night sky visible from San Francisco’s Bay Area on Wednesday, October 18, around 8 p.m. local time (3UTC on October 18). Many say they heard a boom, which was so loud it “shook their homes,” some residents said, making them think it may be an earthquake. Belmont, California astronomer Wes Jones captured the fireball as it sailed across the sky on October 17, just as it was entering the trees. –Earth Sky