An earthquake measuring 2.0 on the Richter scale was felt on Wednesday morning in Terceira, in the Azores, as part of the seismovolcanic crisis on that island, reported the Azores Seismovolcanic Information and Surveillance Center (CIVISA).
According to CIVISA, the incident occurred at 08:26 local time (09:26 in Lisbon) and had its epicentre about three kilometres east of Serreta.
“According to the information available so far, the earthquake was felt with maximum intensity III (modified Mercalli scale) in Serreta (municipality of Angra do Heroísmo),” the information center said.
The event “is part of the Ongoing seismovolcanic crisis on Terceira Island from June 2022,” the same source also indicated.
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 respective description.”
With an intensity III, considered weak, the shock “is felt inside the house” and “hanging objects swing”, feeling a “vibration similar to that caused by the passage of heavy vehicles”, describes the IPMA on its website.
Source: Observadora
