Light mag. 2.7 earthquake - North Atlantic Ocean, 23 km southwest of Lisboa, Portugal, on Sunday, 31 Jan 2021 11:44 am (GMT +0) -

Light mag. 2.7 earthquake - North Atlantic Ocean, 23 km southwest of Lisboa, Portugal, on Sunday, 31 Jan 2021 11:44 am (GMT +0)

Séisme faible magnitude 2.7 at 1 km depth

31 Jan 11:48 UTC: Premier à signaler: EMSC après 4 minutes.
Date & time: 31 Jan 2021 11:44:49 UTC -
Local time at epicenter: dimanche, 31 janv. 2021 11:44 (GMT +0)
Magnitude: 2.7
Profondeur: 1.0 km
Epicenter latitude / longitude: 38.58°N / 9.33°W (Océan Atlantique Nord, Portugal)
Nearby towns and cities:
12 km S de Carcavelos (pop: 20,400) --> Voir les séismes à proximité!
12 km S de Oeiras (pop: 35,000) --> Voir les séismes à proximité!
13 km OSO de Charneca de Caparica (pop: 29,800) --> Voir les séismes à proximité!
14 km S de São Domingos de Rana (pop: 46,700) --> Voir les séismes à proximité!
15 km SSE de Cascais (pop: 36,400) --> Voir les séismes à proximité!
17 km OSO de Corroios (pop: 52,500) --> Voir les séismes à proximité!
21 km SSO de Queluz (pop: 103,400) --> Voir les séismes à proximité!
21 km S de Cacém (pop: 94,000) --> Voir les séismes à proximité!
21 km SSO de Amadora (pop: 178,900) --> Voir les séismes à proximité!
23 km SO de Lisbonne (pop: 517,800) --> Voir les séismes à proximité!
Weather at epicenter at time of quake:
Mist 14.8°C (59 F), humidity: 94%, wind: 6 m/s (12 kts) from WSW
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 7.1 x 108 joules (197 kilowatt hours, equivalent to 0.169 tons of TNT) Plus d'infos
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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.
MagnitudeProfondeurLieuSource
2.71 kmPORTUGALEMSC
3.14 kmSW OEIRAS.POR, PortugalIGN

User reports for this quake (44)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
At magnitude 2.7, this quake might have been felt very close to the epicenter and under calm conditions.
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São Domingos de Rana / Light shaking (MMI IV) / both vertical and horizontal swinging / 2-5 s : i had just woken up in bed, and my house started to shake and rattle for a gold couple of seconds. i was the only one awake but when i asked my family if they felt an earthquake when they were asleep, they all said yes. | One user found this interesting.  
Cascais / Very weak shaking (MMI II) / complex motion difficult to describe / 2-5 s : Were sitting on the cough in our Livingroom on 4 th floor watching Tv. I thought my dog lying next to me did some strange movement but when I looked at her she was sleeping and completely still,  
Fatais / not felt : I was awake at the time and felt or heard nothing. I used to live in Los Angeles CA USA so I am used to experiencing earth quakes . . .  
Oeiras / Very weak shaking (MMI II) / complex motion difficult to describe / 1-2 s : Heard stronge noise, like something heavy falling and then the house shakes. | One user found this interesting.  
Abóboda, Cascais / Weak shaking (MMI III) / horizontal (sideways) swinging / 2-5 s : I was on the sofa and felt it shaking sideways and the glasses in the cupboards rattled. | One user found this interesting.  
Aldeia de Juzo / Light shaking (MMI IV) : The kitchen table made a light movement | One user found this interesting.  
Caxias (15.3 km NNE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 1-2 s
12.3 km N of epicenter [Map] / Very weak shaking (MMI II) / 1-2 s
12.3 km N of epicenter [Map] / Very weak shaking (MMI II) / 1-2 s
11.4 km NE of epicenter [Map] / Weak shaking (MMI III) / very short
16.4 km NNW of epicenter [Map] / not felt
Carcavelos (12.8 km N of epicenter) [Map] / Very weak shaking (MMI II) / single vertical bump / very short
16.6 km NW of epicenter [Map] / Weak shaking (MMI III) / very short
17.6 km NNW of epicenter [Map] / not felt
Cascais, Aldeia de Juzo (19.6 km NW of epicenter) [Map] / not felt
Alges (15.1 km NNE of epicenter) [Map] / Very weak shaking (MMI II) / single lateral shake / very short
Cascais (15.2 km NNW of epicenter) [Map] / not felt
12.3 km N of epicenter [Map] / Very weak shaking (MMI II) / 1-2 s
15.5 km ENE of epicenter [Map] / Very weak shaking (MMI II) / horizontal (sideways) swinging / 1-2 s
Rua da Giribita, Paco de Arcos, Portugal (13.7 km NNE of epicenter) [Map] / Weak shaking (MMI III) / very short
Rua (15 km N of epicenter) [Map] / Weak shaking (MMI III) / very short
Parede, Portugal (12.1 km N of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 1-2 s
12.2 km NE of epicenter [Map] / Weak shaking (MMI III) / rattling, vibrating / 2-5 s
Carcavelos (12.1 km N of epicenter) [Map] / Light shaking (MMI IV)
Carcavelos (11.5 km N of epicenter) [Map] / Weak shaking (MMI III) / 1-2 s
12.8 km N of epicenter [Map] / Weak shaking (MMI III) / 2-5 s
Paco de Arcos / Light shaking (MMI IV) / horizontal (sideways) swinging / 1-2 s
Cascais / Very weak shaking (MMI II)
Cascais / not felt
Oeiras / Very weak shaking (MMI II) / horizontal (sideways) swinging / very short
Carcavelos / Light shaking (MMI IV)
Queijas / not felt
Carcavelos / Weak shaking (MMI III) / rattling, vibrating / 2-5 s
Cascais / not felt
Sao Domingos de Rana / Very weak shaking (MMI II) / rattling, vibrating / 1-2 s
Estoril / Light shaking (MMI IV) / single vertical bump
Charneca da Caparica / Very weak shaking (MMI II)
Estoril Portugal / Moderate shaking (MMI V)
Paço de Arcos (Oeiras) / Weak shaking (MMI III) / single lateral shake / 2-5 s
Carcavelos, Portugal / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
oeiras / Moderate shaking (MMI V)
Cascais / Light shaking (MMI IV) / single vertical bump / very short
Oeiras / Light shaking (MMI IV) / horizontal (sideways) swinging / 1-2 s
Paco de Arcos, Lisbon / Light shaking (MMI IV) / horizontal (sideways) swinging / 1-2 s
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