Preparedness experts recommend that residents of disaster-prone areas have supplies available to remain self-sufficient in the days and weeks after an event like a megaquake.

The supplies any one person needs for a disaster may vary, depending on the type of damage done and life circumstances, such as having a medical condition or needing to care for a child.

The American Red Cross does recommend a few basic items for everyone, however:

The American Red Cross recommends that each household have a few week’s worth of emergency supplies in the event of a natural disaster. Those supplies include water, non-perishable food, a flashlight, a first aid kit, a cellphone or other communication device with extra battery supplies, copies of personal documents like birth certificates and social security cards and extra cash.