A magnitude 8.3 earthquake strikes the south of Samoa on Tuesday, triggering a tsunami. Then, 16 hours later, another occurs 30 miles off the east coast of the Indonesian island of Sumatra. What's going on?
American Samoa and Indonesia have both had earthquakes in 24 hours and both lie on the so-called Ring of Fire. But is some relationship between the two events? asks Tim Edwards.
'Supershear' earthquakes -- the "earthquake equivalent of a sonic boom" -- don't follow traditional fault lines and may occur in normally safe areas.
John Howard yesterday reiterated the Federal Government's commitment to nuclear power, while in Japan, this week's earthquakes led to a fire, leak, and waste spills at a nuclear plant. Just saying.