East and north Bali felt tremors, but so far there have been no travel restrictions put own by the Foreign Office.
She said the warning was for the lowest level of tsunami, and that small waves just 15 cm high were detected in three villages.
A tsunami warning has been issued after a powerful quake stuck the Indonesian island of Lombok near Bali.
An quake measuring 7.0 magnitude on the Richter scale rocked Indonesia on Sunday.
Bali Earthquake: Is there a tsunami warning?
On July 29, a 6.4 magnitude natural disaster has struck off Lombok, province of West Nusa Tenggara, Indonesia followed by 66 aftershocks with the highest of those with a recorded magnitude of 5.7.
Evan Burns with his wife and young son
The earthquake's epicentre was located 27km northeast of the island's North Lombok district.
Another resident Rita Siswati, 47, said the quake knocked out electricity and patients were evacuated from the main hospital.
It comes a week after another tremor killed 16 people and injured dozens more on Lombok.
Officials said travellers at the global airports in Bali and Lombok were thrown into panic and there was minor damage to the buildings, but that operations were not disrupted.
Indonesia is in the grips of a second massive tremor, just a week following a major natural disaster which killed 17 people.More news: Corbyn tells Labour anti-Semites `you have no place in our movement´
More news: Bill Belichick, Robert Kraft attend Hall of Fame ceremony for Randy Moss
More news: President Trump’s Feud With The Koch Brothers Escalates