2.1 magnitude earthquake on the Richter scale felt on Terceira island
An earthquake with a magnitude of 2.1 on the Richter scale was felt in the early hours of today on the island of Terceira, in the Azores, announced the Azores Seismovolcanic Information and Surveillance Center (CIVISA).
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País ilha Terceira
The event is part of the ongoing seismovolcanic 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".
When there is an intensity of IV, considered moderate, parked cars swing, windows, doors, and dishes shake, and "glass and dishes collide or tinkle", and wooden walls or structures may creak.
Read Also: At least five earthquakes up to 5.5 on the Richter scale registered in Taiwan (Portuguese version)
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