Apparatus and methods for providing emergency alert system (EAS) data to subscribers of a content-based network for multiple locations including via mobile devices. In one embodiment, the apparatus comprises a server performing real-time receipt and encapsulation of the EAS data, transport of the EAS data to client devices over an IP or other packet-switched network, and use of applications running on the client devices to decode and display the EAS data. In one variant, a centralized EAS (CEAS) entity is used to aggregate and distribute EAS messages to video registration servers (VRS), which use stored client device data and user preferences to map delivery of relevant EAMs over the IP network. In another variant, instant messaging (IM) infrastructure is used to deliver and display at least portion of the EAS data via a separate transport process.