An earthquake measuring 3.4 (Richter), whose epicentre was located at sea, around 60 kilometres south of Olhão, was recorded at 16:03 (local time) at the stations of the Mainland Seismic Network, the Portuguese Institute of the Sea and Atmosphere (IPMA) has just reported.
According to IPMA, until the preparation of its statement, “no information was received confirming that this earthquake was felt”.
If you felt the earthquake, you can help IPMA, which wants to map the extent of the effects of the earthquakes, by filling out a small questionnaire, available here.
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 .9,0), exceptional (9,9-10) and extreme (when greater than XNUMX).
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