2.1 magnitude earthquake felt on Terceira island, the 2nd this Wednesday

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An earthquake with a magnitude of 2.1 on the Richter scale was felt on Terceira at 11:04 local time (12:04 in Lisbon), the second earthquake recorded on the Azorean island today, the authorities said.

According to the Azores Seismic Information and Surveillance Center (CIVISA), the earthquake had its epicenter about five kilometers east of Serreta.

“According to the information available so far, the earthquake was felt with maximum intensity III (Modified Mercalli scale) in Santa Bárbara and Doze Ribeiras (Angra do Heroísmo municipality),” CIVISA said in a statement.

At 05:07 local time (06:07 in Lisbon) today, an earthquake with a magnitude of 2.2 on the Richter scale and an epicenter about three kilometers east of Serreta had already been recorded.

The earthquake was felt with maximum intensity III/IV (Modified Mercalli scale) in Serreta (Angra do Heroísmo municipality) and with intensity III in Raminho, in the same municipality.

The two events are part of the ongoing seismic crisis on Terceira Island since June 2022.

According to the Richter scale, earthquakes are classified according to their magnitude as micro (less than 2.0), very small (2.0-2.9), small (3.0-3.9), slight (4.0-4.9), moderate (5.0-5.9), strong (6.0-6.9), large (7.0-7.9), important (8.0-8.9), exceptional (9.0-9.9) and extreme (when greater than 10).

The Modified Mercalli scale measures “degrees of intensity and their description”.

With an intensity of III, considered weak, the tremor is felt inside the house and pending objects sway, with a “vibration similar to that caused by the passage of heavy vehicles”, reveals the Portuguese Sea and Atmosphere Institute (IPMA) on its website.

When there is an intensity IV, considered moderate, parked cars sway, windows, doors and crockery shake and “glass and crockery rattle or clink”, and walls or wooden structures may creak.

Hervé Hubert
Hervé Hubert
Hervé Hubert is a 55-year-old writer and journalist based in Porto, Portugal. Born in France, he brings a unique blend of French and Portuguese perspectives to his work. Education Hervé studied Journalism and Literature at the University of Lyon in France. After completing his studies, he gained valuable experience working with various French media outlets (Portugal France also). Career He worked for several years as a journalist in France before making the move to Portugal. In Porto, he joined the Portugal Pulse team as a staff writer. Skills Hervé specializes in storytelling, investigative journalism, and cultural commentary. He has a flair for capturing complex issues in a relatable way. Personal Life He currently resides in Porto and enjoys the city's rich culture, from Fado music to Francesinha cuisine. Hervé continues to maintain strong ties to his French heritage, often traveling back to France for family visits and cultural exploration. With his unique background and diverse skill set, Hervé Hubert adds a layered, multicultural lens to every story he covers.

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