Monday, April 18th, 2011 — Japans recent earthquake and resultant tsunami is turning out to be the most expensive catastrophe for insurers since Hurricane Katrina in 2005, according to a new report. Risk modeling company Risk Management Solutions estimates that insurers face between $21 billion and $34 billion in total losses. Insures face property losses of $18 billion to $26 billion. Life- and health-insurance claims will add about $3 billion to $8 billion to the total, said RMS.