Meteorologia

  • 18 MAIO 2024
Tempo
16º
MIN 13º MÁX 20º

1.8 Magnitude Earthquake on the Richter Scale Felt on Terceira Island

An earthquake measuring 1.8 on the Richter scale was felt today on Terceira Island, according to the Azores Seismovolcanic Information and Surveillance Center (CIVISA).

1.8 Magnitude Earthquake on the Richter Scale Felt on Terceira Island
Notícias ao Minuto

09:33 - 24/04/24 por Lusa

País CIVISA

According to CIVISA, the quake was felt at 00:37 local time (01:37 in Lisbon) and its epicenter was about four kilometers east of Serreta.
"According to the information available so far, the earthquake was felt with a maximum intensity of III (Modified Mercalli scale) in Serreta (municipality of Angra do Heroísmo)", said CIVISA in a statement.

The event "is part of the ongoing seismic-volcanic 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), light (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 the "degrees of intensity and respective description".

With an intensity of III, considered weak, the quake is felt indoors and hanging objects swing, perceiving a "vibration similar to that caused by the passage of heavy vehicles", reveals the Portuguese Institute of the Sea and the Atmosphere (IPMA) on its website.

Read Also: Earthquake of magnitude 2.1 on the Richter scale felt on Terceira Island (Portuguese version)

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