Now here's an interesting article...

Our own Kerry Sieh has been studying the area of the quake and tsunami.

The last 2 paragraphs are very interesting..:
At his speech to the annual meeting of the American Geophysical Union in San Francisco, he pointed out that, historically, such events have occurred in clusters.

Sieh believes this means another quake could be on the way: “There is some evidence that the stresses on the tectonic plates south of the epicentre may now have increased and raised the chances of another major earthquake.”

See link below for the entire article.

Canie

• Geologist gave repeated alerts