[ORGANIZATION]
Portuguese Institute of the Sea and Atmosphere
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Seismic activity in the Azores
3 clusters · 7 sources · last updated
Latest: Azores earthquake activity triggers nearly 100 aftershocks
On October 3, 2026, Santa Maria Island in the Azores experienced a 3.7 magnitude earthquake. The tremor, recorded at 10:54 local time, had an epicenter approximately 20 kilometers northeast of Santa Bárbara. The Azores S