The tremor is said to have been felt on the islands but, according to the IPMA Portuguese Met Office, did not cause any personal or material damage.”
The IPMA said the quake was felt with a maximum intensity of III/IV on the Mercalli scale in Flamengos and Horta, on the island of Faial.
Its epicentre was registered at 4.35am around 30 kilometres west of Capelo, Faial.
The Richter scale, which measures the magnitude of an earthquake, varies from 0 to 10; a quake measuring 4.0 on the scale is considered “light”.