An earthquake measuring 2.3 on the Richter scale was felt this Thursday on the island of Terceira, the Azores Center for Seismovolcanic Information and Observation (CIVISA) reported.
According to CIVISA, the earthquake was recorded at 08:27 local time (09:27 Lisbon time) and had an epicenter approximately three kilometers north-northeast of Cinco Ribeiras, in the municipality of Angra do Heroismo.
“According to the information currently available, an earthquake with a maximum magnitude of III (modified Mercalli scale) was felt in the parish of São Bartolomeu (municipality of Angra do Heroísmo, Terceira Island),” CIVISA said in a statement.
On the Richter scale, earthquakes are classified by magnitude into micro (less than 2.0), very small (2.0-2.9), small (3.0-3.9), weak (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 higher 10).
The Modified Mercalli Scale measures “degree of intensity and corresponding description.”
At intensity III, considered weak, the shock is felt inside the house and hanging objects sway, feeling “vibrations similar to those caused by the passage of heavy vehicles,” the Institute of the Sea and the Atmosphere (IPMA) describes on its Internet page.
Author: Lusa
Source: CM Jornal
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