I have a chat buddy from Singapore and another in the Philippines. I haven't heard from either one, and am getting worried 
Sorry to hear that.

I hope they are well and you hear from them soon. I don't have any family or friends in that region, but I give my sympathies to all who were directly affected by this unprecedented natural disaster.
If you're in the US and have questions regarding the well-being of loved ones in that region, the following information might be of some help.
The State Department established a toll-free telephone number for inquiries about U.S. citizens affected by the Asian earthquake and tsunamis.
The public may call toll free at 888-407-4747. Overseas, people may call 317-472-2328.
Those seeking information also can contact the department's Office of American Citizens Services and Crisis Management, 202-647-5225.
General information about disaster relief, preparation and emergency services to U.S. citizens abroad can be found at the State Department Webpage,
https://travel.state.gov/travel/crisismg.html