Indonesian authorities urged caution on Tuesday as residents returned gradually to their homes in western Sumatra after being rattled by a magnitude 7.3 earthquake and several aftershocks.
The earthquake, which took place out at sea at about 3 a.m. (2000 GMT Monday), triggered a tsunami warning that was lifted two hours later. There were no reports of casualties.
Residents in Padang, a city on the west coast of Sumatra, said they had panicked as tsunami warning sirens wailed and forced evacuation to higher ground in the middle of the night.
