Download several essential iPhone apps for earthquake disasters, which might save your life.

After the major earthquake in Japan, Softbank quickly reacted and launched a "disaster rumor board". In fact, there are several useful earthquake-related apps on iPhone. You can download them to your phone when you're free to learn about earthquake prevention, detection, and alerts. These apps could be very helpful in case of emergencies. If you have these apps with you during a disaster, your chances of survival will be significantly higher than others.