10:19pm: The U.S. Geological Survey is reporting that an earthquake with an estimated magnitude of 3.6 on the Richter scale struck the city of San Francisco at approximately 7:05pm local time. More on this story as it develops.
TOKYO (Reuters) - Japan on Monday expanded the evacuation zone around its crippled nuclear plant because of high levels of accumulated radiation, as a strong aftershock rattled the area one month after a quake and tsunami sparked the worst nuclear crisis since Chernobyl.
he plan to start choking off oil gushing into the Gulf of Mexico was suddenly halted as government officials and BP said further analysis must be done Wednesday before critical tests could proceed.
