Tidal waves that lashed coastal districts of Andhra Pradesh on Sunday have claimed 77 lives and over 1,200 people are reported missing, according to official sources in Hyderabad.

Also see: Quake toll crosses 22,000 in S Asia | 'India not prepared to tackle tsunamis'

Unofficial reports, however, put the toll at 104.

Six coastal districts -- Nellore, Prakasam, Krishna, Guntur, West Godavari and East Godavari -- were hit by tsunami waves triggered by a powerful earthquake in Indonesia.

Over 22,000 people have been evacuated to safer places, sources added.

Also see: Pictures of the disaster