Interesting article below - states: Infrared emissions above the epicenter increased dramatically in the days before the devastating earthquake in Japan, say scientists.

Intro article can be found here: http://www.csmonitor.com/Science/2011/0518/Japan-earthquake-Big-shallow-quakes-have-a-warning-signal-say-researchers/%28page%29/2

Canie

• Atmosphere Above Japan Heated Rapidly Before M9 Earthquake