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Strong mag. 5.9 earthquake - North Atlantic Ocean, 275 km southwest of Lajes das Flores, Azores, Portugal, on Monday, Nov 28, 2022 at 12:51 am (GMT -2) -

Strong mag. 5.9 earthquake - North Atlantic Ocean, 275 km southwest of Lajes das Flores, Azores, Portugal, on Monday, Nov 28, 2022 at 12:51 am (GMT -2) Strong mag. 5.9 earthquake - North Atlantic Ocean, 275 km southwest of Lajes das Flores, Azores, Portugal, on Monday, Nov 28, 2022 at 12:51 am (GMT -2)

Strong magnitude 5.9 earthquake at 10 km depth

28 Nov 02:58 UTC: First to report: GFZ after 7 minutes.
28 Nov 02:59: Epicenter location corrected by 21 km (13 mi) towards W.
28 Nov 03:10: Now using data updates from USGS
28 Nov 03:24: Epicenter location corrected by 2.1 km (1.3 mi) towards N.

Earthquake details

Date & timeNov 28, 2022 02:51:23 UTC -
Local time at epicenterMonday, Nov 28, 2022 at 12:51 am (GMT -2)
StatusConfirmed
Magnitude5.9
Depth10.0 km
Epicenter latitude / longitude37.0984°N / 32.3973°W (North Atlantic Ocean, Portugal)
Antipode37.098°S / 147.603°E
Shaking intensityStrong shaking near epicenter
Felt2 reports
Primary data sourceUSGS (United States Geological Survey)
Nearby towns and cities275 km (171 mi) SSW of Lajes das Flores (pop: 3,910) | Show on map | Quakes nearby
368 km (229 mi) WSW of Horta (pop: 6,570) | Show on map | Quakes nearby
376 km (234 mi) WSW of Madalena (pop: 6,140) | Show on map | Quakes nearby
392 km (244 mi) WSW of Lajes (pop: 4,710) | Show on map | Quakes nearby
392 km (244 mi) WSW of San Roque (pop: 3,710) | Show on map | Quakes nearby
408 km (253 mi) WSW of Velas (pop: 1,980) | Show on map | Quakes nearby
419 km (261 mi) WSW of Calheta (pop: 3,770) | Show on map | Quakes nearby
443 km (275 mi) WSW of Santa Cruz da Graciosa (pop: 1,780) | Show on map | Quakes nearby
281 km (175 mi) SSW of Flores Island (pop: 3,910) | Show on map | Quakes nearby
364 km (226 mi) WSW of Faial Island (pop: 14,900) | Show on map | Quakes nearby
Weather at epicenter at time of quakeLight Rain 20.7°C (69 F), humidity: 86%, wind: 15 m/s (30 kts) from SSW
Estimated seismic energy released4.5 x 1013 joules (12.4 gigawatt hours, equivalent to 10676 tons of TNT or 0.7 atomic bombs!) | about seismic energy
Show interactive Map
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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.DepthLocationSource
5.910 km274 Km SSW of Lajes Das Flores, PortugalUSGS
5.910 kmPortugal: AZORES ISLANDS REGIONEMSC
5.410 kmPortugal: Near LisbonRENASS
5.910 kmPortugal: Azores Islands RegionRaspberryShake
5.810.2 kmPortugal [Sea]INGV
5.810 kmPortugal: Azores Islands RegionGFZ
5.910 kmPortugal: Azores Islands RegionIRIS
5.910 kmPortugal: Azores Islands RegionGeoAu

User reports for this quake (5)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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near Madalena, Azores (376.4 km ENE of epicenter) [Map] / Weak shaking (MMI III) : I felt light shaking | 2 users found this interesting.  
Capelo / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s : I woke up, my dog ​​was awake and nervous, the ducks in the enclosure were suddenly very restless and active. (reported through our app)  
1889 km ESE of epicenter [Map] / not felt : I dont feel anything. Everything is OK. (reported through our app)  
São Martinho, Funchal Municipality, Madeira (1492 km ESE of epicenter) [Map] / not felt : It is Lajes not Lagens.  
Wolvega (3434.7 km NE of epicenter) [Map] / not felt : Nothing felt.  

Aftershocks

[More info]

Recorded aftershocks, latest first (2 quakes)

Date and timeMag
Depth
LocationDetails
Dec 25, 2022 09:06
6 weeks ago
4.8

10 km
North Atlantic Ocean, 278 km SW of Lajes das Flores, Azores, PortugalMore
Nov 29, 2022 07:42
10 weeks ago
4.8

10 km
North Atlantic Ocean, 285 km SW of Lajes das Flores, Azores, PortugalMore

Earlier earthquakes in the same area

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