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Minor mag. 1.4 earthquake - Portugal: NE S.Brás De Alportel on Monday, Dec 5, 2022 at 2:32 pm (GMT +0) -

Minor magnitude 1.4 earthquake at 1 km depth

5 Dec 18:06 UTC: First to report: IPMA after 4 hours.

Earthquake details

Date & time	Dec 5, 2022 14:32:32 UTC -
Local time at epicenter	Monday, Dec 5, 2022 at 2:32 pm (GMT +0)
Status	Confirmed
Magnitude	1.4
Depth	1.0 km
Epicenter latitude / longitude	37.276°N / 7.759°W (Portugal)
Antipode	37.276°S / 172.241°E
Shaking intensity	Very weak shaking
Felt	0 reports
Primary data source	IPMA (Portuguese Institute for Sea and Atmosphere (Instituto Português do Mar e da Atmosfera, IPMA))
Nearest volcano	###NEARESTVOLCANO2###
Nearby towns and cities	18 km (11 mi) NE of Sao Bras de Alportel (São Brás de Alportel) (pop: 11,200) \| Show on map \| Quakes nearby 19 km (12 mi) NNW of Tavira (pop: 15,100) \| Show on map \| Quakes nearby 24 km (15 mi) N of Laranjeiro (Moncarapacho) (pop: 20,500) \| Show on map \| Quakes nearby 28 km (17 mi) NE of Loule (Loulé) (pop: 23,100) \| Show on map \| Quakes nearby 28 km (18 mi) NNE of Olhao (Olhão) (pop: 29,200) \| Show on map \| Quakes nearby 32 km (20 mi) NNE of Faro (pop: 41,400) \| Show on map \| Quakes nearby 38 km (24 mi) NE of Quarteira (pop: 18,800) \| Show on map \| Quakes nearby 200 km (125 mi) SE of Lissabon (pop: 517,800) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	7.9 x 10⁶ joules (2.21 kilowatt hours) \| about seismic energy

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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.

Mag.	Depth	Location	Source
1.4	1 km	Portugal: NE S.Brás De Alportel	IPMA

Most recent quakes Top 20 past 24 hrs Quakes in Portugal

Seismograms

Seismic station: Vaqueiros, Portugal (PVAQ/PM network) | Distance from quake: 15 km / 9 mi | Show on map | Station Info

Seismic station Vaqueiros, Portugal: vertical movement plot around time of quake (source: IRIS/BUD)

Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

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Seismic station Vaqueiros, Portugal: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Vaqueiros, Portugal: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake, showing horizontal E-W and N-S ground movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Messejana, Aljustrel, Portugal (MESJ/LX network) | Distance from quake: 75 km / 46 mi | Show on map | Station Info

Seismic station Messejana, Aljustrel, Portugal: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Messejana, Aljustrel, Portugal: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Messejana, Aljustrel, Portugal: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Marmelete, Algarve, Portugal (MORF/LX network) | Distance from quake: 79 km / 49 mi | Show on map | Station Info

Seismic station Marmelete, Algarve, Portugal: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Marmelete, Algarve, Portugal: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Marmelete, Algarve, Portugal: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Vila do Bispo, Portugal (PFVI/PM network) | Distance from quake: 96 km / 60 mi | Show on map | Station Info

Seismic station Vila do Bispo, Portugal: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Vila do Bispo, Portugal: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Vila do Bispo, Portugal: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Lisboa, Geofisico, Portugal (GGNV/LX network) | Distance from quake: 201 km / 125 mi | Show on map | Station Info

Seismic station Lisboa, Geofisico, Portugal: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Lisboa, Geofisico, Portugal: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Lisboa, Geofisico, Portugal: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

User reports for this quake

At magnitude 1.4, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.

Earlier earthquakes in the same area

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