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Minor mag. 1.2 earthquake - Portugal: NE Monchique on Monday, Dec 5, 2022 at 6:21 pm (GMT +0) -

Minor magnitude 1.2 earthquake at 9 km depth

6 Dec 06:42 UTC: First to report: IPMA after 12 hours.

Earthquake details

Date & time	Dec 5, 2022 18:21:05 UTC -
Local time at epicenter	Monday, Dec 5, 2022 at 6:21 pm (GMT +0)
Status	Confirmed
Magnitude	1.2
Depth	9.0 km
Epicenter latitude / longitude	37.339°N / 8.467°W (Portugal)
Antipode	37.339°S / 171.533°E
Shaking intensity	Not felt
Felt
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	8 km (5 mi) ENE of Monchique (pop: 5,420) \| Show on map \| Quakes nearby 23 km (14 mi) NNE of Portimao (pop: 38,500) \| Show on map \| Quakes nearby 32 km (20 mi) NE of Lagos (pop: 18,800) \| Show on map \| Quakes nearby 34 km (21 mi) NW of Albufeira (pop: 15,900) \| Show on map \| Quakes nearby 44 km (27 mi) NW of Quarteira (pop: 18,800) \| Show on map \| Quakes nearby 45 km (28 mi) WNW of Loule (Loulé) (pop: 23,100) \| Show on map \| Quakes nearby 60 km (37 mi) NW of Faro (pop: 41,400) \| Show on map \| Quakes nearby 164 km (102 mi) SSE of Lissabon (pop: 517,800) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	4 x 10⁶ joules (1.11 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
1.2	9 km	Portugal: NE Monchique	IPMA

Most recent quakes Top 20 past 24 hrs Quakes in Portugal

Seismograms

Seismic station: Marmelete, Algarve, Portugal (MORF/LX network) | Distance from quake: 17 km / 10 mi | Show on map | Station Info

Seismic station Marmelete, Algarve, 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 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, showing horizontal E-W and N-S ground movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Vila do Bispo, Portugal (PFVI/PM network) | Distance from quake: 39 km / 24 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: Messejana, Aljustrel, Portugal (MESJ/LX network) | Distance from quake: 60 km / 37 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: Vaqueiros, Portugal (PVAQ/PM network) | Distance from quake: 67 km / 41 mi | Show on map | Station Info

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

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.
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: 165 km / 102 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 1.2, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.

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