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Significant earthquake

This summarises a recorded earthquake only; it is not a warning or a prediction. Follow AFAD and the competent authorities for official statements and guidance.

39 km W of Mosteiros, Portugal earthquake sequence

Active Gardner–Knopoff windows · 20.10.2026 21:07 – ongoing

Earthquakes
50
Largest
M5,1

Earthquakes of the sequence (oldest to newest)

Earthquakes per day

Earthquakes in the sequence

MagnitudeLocationTime (Europe/Istanbul)Depth
5.1 39 km W of Mosteiros, Portugal 20.10.2026 21:07 10,0 km
2.6 AZORES ISLANDS, PORTUGAL 20.10.2026 21:26 2,0 km
3.4 AZORES ISLANDS, PORTUGAL 20.10.2026 21:30 1,4 km
2.5 AZORES ISLANDS, PORTUGAL 20.10.2026 21:45 2,5 km
2.5 AZORES ISLANDS, PORTUGAL 20.10.2026 21:49 2,0 km
2.5 AZORES ISLANDS, PORTUGAL 20.10.2026 21:59 4,3 km
3.2 AZORES ISLANDS, PORTUGAL 20.10.2026 22:19 4,2 km
3.2 AZORES ISLANDS, PORTUGAL 21.10.2026 03:12 5,0 km
2.1 AZORES ISLANDS, PORTUGAL 21.10.2026 06:20 5,0 km
3.0 AZORES ISLANDS, PORTUGAL 21.10.2026 15:07 11,9 km
2.3 AZORES ISLANDS, PORTUGAL 22.10.2026 10:40 2,0 km
4.4 AZORES ISLANDS, PORTUGAL 22.10.2026 19:14 2,0 km
2.4 AZORES ISLANDS, PORTUGAL 22.10.2026 19:29 5,0 km
2.4 AZORES ISLANDS, PORTUGAL 22.10.2026 21:40 1,0 km
3.1 AZORES ISLANDS, PORTUGAL 22.10.2026 22:58 0,6 km
2.5 AZORES ISLANDS, PORTUGAL 23.10.2026 00:25 4,2 km
2.1 AZORES ISLANDS, PORTUGAL 23.10.2026 00:51 0,1 km
2.5 AZORES ISLANDS, PORTUGAL 23.10.2026 02:00 4,1 km
2.0 AZORES ISLANDS, PORTUGAL 23.10.2026 15:52 2,0 km
3.0 AZORES ISLANDS, PORTUGAL 23.10.2026 15:59 3,5 km
2.6 AZORES ISLANDS, PORTUGAL 24.10.2026 08:48 0,0 km
2.7 AZORES ISLANDS, PORTUGAL 26.10.2026 09:47 4,0 km
2.4 AZORES ISLANDS, PORTUGAL 26.10.2026 21:02 1,0 km
3.5 AZORES ISLANDS, PORTUGAL 26.10.2026 23:28 4,6 km
3.4 AZORES ISLANDS, PORTUGAL 27.10.2026 03:58 2,0 km
2.5 AZORES ISLANDS, PORTUGAL 27.10.2026 04:49 5,9 km
2.7 AZORES ISLANDS, PORTUGAL 27.10.2026 07:51 0,7 km
3.7 AZORES ISLANDS, PORTUGAL 27.10.2026 08:24 3,8 km
3.2 AZORES ISLANDS, PORTUGAL 27.10.2026 15:35 4,0 km
3.9 AZORES ISLANDS, PORTUGAL 28.10.2026 18:18 0,0 km
3.5 AZORES ISLANDS, PORTUGAL 29.10.2026 10:39 1,0 km
4.6 41 km W of Mosteiros, Portugal 29.10.2026 10:54 10,0 km
2.9 AZORES ISLANDS, PORTUGAL 29.10.2026 12:37 2,0 km
2.9 AZORES ISLANDS, PORTUGAL 29.10.2026 14:48 2,1 km
3.6 AZORES ISLANDS, PORTUGAL 29.10.2026 16:09 5,0 km
2.8 AZORES ISLANDS, PORTUGAL 29.10.2026 19:06 5,0 km
2.5 AZORES ISLANDS, PORTUGAL 30.10.2026 04:17 3,0 km
2.9 AZORES ISLANDS, PORTUGAL 30.10.2026 04:26 2,0 km
2.4 AZORES ISLANDS, PORTUGAL 31.10.2026 15:29 5,0 km
2.5 AZORES ISLANDS, PORTUGAL 01.11.2026 00:08 2,0 km
2.2 AZORES ISLANDS, PORTUGAL 02.11.2026 01:40 2,0 km
3.3 AZORES ISLANDS, PORTUGAL 03.11.2026 02:14 1,5 km
2.2 AZORES ISLANDS, PORTUGAL 03.11.2026 04:08 2,0 km
2.2 AZORES ISLANDS, PORTUGAL 03.11.2026 04:14 1,0 km
2.0 AZORES ISLANDS, PORTUGAL 03.11.2026 15:25 5,0 km
3.1 AZORES ISLANDS, PORTUGAL 04.11.2026 02:30 1,4 km
2.1 AZORES ISLANDS, PORTUGAL 04.11.2026 21:53 5,0 km
2.4 AZORES ISLANDS, PORTUGAL 10.11.2026 00:59 4,7 km
2.4 AZORES ISLANDS, PORTUGAL 10.11.2026 12:37 4,3 km
2.5 AZORES ISLANDS, PORTUGAL 11.11.2026 01:17 2,0 km

Sequences group earthquakes that have occurred by proximity in time and location (Gardner–Knopoff windows, Poisson rate test). Follow AFAD and Kandilli Observatory for official assessments. (Gardner & Knopoff (1974))