Magnitude 3.7 earthquake was felt on Santa Maria
A magnitude 3.7 earthquake northeast of Santa Bárbara was felt on Santa Maria on Saturday morning, according to the Azores seismovolcanic authority.
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Archived 12 September 2026CIVISA continues to monitor the event. Residents should use official updates for any change rather than relying on social-media estimates of magnitude or impact.
- The earthquake was recorded at 10:54 on 3 October.
- Its epicentre was about 20 kilometres northeast of Santa Bárbara.
- It was felt at intensity III in parts of Vila do Porto and Almagreira.
What has been confirmed
RTP Açores, citing CIVISA, reports a magnitude 3.7 event at 10:54, with an epicentre around 20 kilometres northeast of Santa Bárbara on Santa Maria. It was felt at intensity III on the modified Mercalli scale in Vila do Porto and Almagreira.
Magnitude describes energy at the source; felt intensity describes effects reported in a place. Early readings can be revised as the seismic network processes more data.
Use the regional monitoring channels
CIVISA is monitoring the event. If a later official notice changes the magnitude, location or assessment, that newer notice should replace the first report.
During shaking, move away from glass and unstable objects, protect your head and do not use lifts. After a significant event, follow Civil Protection instructions and report an emergency through 112.
What you can do now.
- 01
Use CIVISA and Azores Civil Protection for updates.
- 02
Keep emergency routes and household contacts accessible.
- 03
Call 112 only for an emergency.
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