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Minor mag. 0.9 earthquake - Portugal: N Vendas Novas on Monday, Dec 5, 2022 at 2:04 pm (GMT +0) -

Minor magnitude 0.9 earthquake at 2 km depth

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

Earthquake details

Date & time	Dec 5, 2022 14:04:20 UTC -
Local time at epicenter	Monday, Dec 5, 2022 at 2:04 pm (GMT +0)
Status	Confirmed
Magnitude	0.9
Depth	2.0 km
Epicenter latitude / longitude	38.733°N / 8.465°W (Portugal)
Antipode	38.733°S / 171.535°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	6 km (4 mi) N of Vendas Novas (pop: 11,200) \| Show on map \| Quakes nearby 41 km (25 mi) ENE of Pinhal Novo (pop: 23,500) \| Show on map \| Quakes nearby 44 km (28 mi) E of Montijo (pop: 30,000) \| Show on map \| Quakes nearby 58 km (36 mi) E of Lissabon (pop: 517,800) \| Show on map \| Quakes nearby 62 km (38 mi) E of Loures (pop: 66,200) \| Show on map \| Quakes nearby 66 km (41 mi) E of Amadora (pop: 178,900) \| Show on map \| Quakes nearby 69 km (43 mi) E of Queluz (pop: 103,400) \| Show on map \| Quakes nearby 72 km (45 mi) E of Cacém (pop: 94,000) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	1.4 x 10⁶ joules (0.392 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
0.9	2 km	Portugal: N Vendas Novas	IPMA

Most recent quakes Top 20 past 24 hrs Quakes in Portugal

Seismograms

Seismic station: Lisboa, Geofisico, Portugal (GGNV/LX network) | Distance from quake: 59 km / 37 mi | Show on map | Station Info

Seismic station Lisboa, Geofisico, 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 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, 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: 102 km / 63 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: 160 km / 99 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: Vaqueiros, Portugal (PVAQ/PM network) | Distance from quake: 162 km / 100 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: Vila do Bispo, Portugal (PFVI/PM network) | Distance from quake: 181 km / 112 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

User reports for this quake

At magnitude 0.9, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.

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