The earthquake was recorded at 02:39 (03:39) at the stations of the Seismic Network of the Azores Archipelago, with its epicentre approximately four kilometres south-southeast of Raminho (Terceira), according to the Portuguese Institute of the Sea and the Atmosphere (IPMA).

"No information has been received confirming that this earthquake was felt," added the IPMA in a statement.

On Tuesday, four tremors with magnitudes between 1.8 and 3.0 on the Richter scale were felt on Terceira Island, as part of the ongoing seismic-volcanic crisis, reported the Azores Seismic-Volcanic Information and Surveillance Center (CIVISA).

According to CIVISA, the tremors were recorded between 2:06 AM and 10:12 AM local time today (between 3:06 AM and 11:12 AM in Lisbon) and were felt in the municipalities of Praia da Vitória and Angra do Heroísmo.

CIVISA adds that the earthquakes were felt with maximum intensities of III, III/IV, IV and IV/V (Modified Mercalli scale) in the two municipalities of Terceira Island (Praia da Vitória and Angra do Heroísmo).

The events are part of “the ongoing seismic-volcanic crisis on Terceira Island since June 2022”.