Eureka Earthquake: Twitter Pics Tell the Story [PHOTOS] A strong earthquake (magnitude 6.5) hit Northern California today, breaking windows and taking out power lines in some areas. The quake hit at 4:27 pm PT, with the epicenter around 25 miles from Eureka. Being a Saturday with most of the news media not at work, it was left to Twitter to tell the story, with users posting pics to photo site Twitpic almost immediately. Dot.life: Tweeting outrage over boy's death. Flocking.me Helps You Search Your Friends' Tweets - Search - Lif. Dot.life: Twitter, Iran and #uksnow.