Two earthquakes with magnitude 2.3 and 2.0 felt on Terceira island


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Two earthquakes with a magnitude of 2.3 and 2.0 on the Richter scale were felt today on the island of Terceira, the Azores Seismic Information and Surveillance Center (CIVISA) said.

According to CIVISA, the first earthquake was felt at 05:44 local time (06:44 in Lisbon) and the second at 07:50 local time (08:50 in Lisbon).

The first event, with a magnitude of 2.3 on the Richter scale, had its epicentre about three kilometers east of Serreta.

“According to the information available so far, the earthquake was felt with a maximum intensity of IV (Modified Mercalli scale) in the parish of Santa Bárbara (municipality of Angra do Heroísmo),” the source said in a statement.

The second earthquake, with a magnitude of 2.0, had its epicentre about three kilometers to the east-southwest of Serreta.

CIVISA said that “it was felt with maximum intensity IV (Modified Mercalli scale) in the parish of Serreta (municipality of Angra do Heroísmo)”.

According to CIVISA, both events are part of “the seismovolcanic crisis that has been underway 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 IV, considered moderate, parked cars sway, windows, doors and crockery shake, glass and crockery rattle or clink, and walls or wooden structures may creak, describes the Institute of the Sea and Atmosphere (IPMA) on its website.

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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