Strong mag. 6.5 earthquake - Central Mid Atlantic Ridge on Sunday, 30 August 2020 - information

Fuerte terremoto magnitud 6.5 - Central Mid Atlantic Ridge, domingo, 30 ago. 2020

- Fuerte terremoto magnitud 6.5 - Central Mid Atlantic Ridge, domingo, 30 ago. 2020

Strong magnitude 6.5 earthquake at 10 km depth

30 Aug 21:29 UTC: Primero en informar: GFZ después de 9 minutos.
Aug 30 21:30: Magnitud recalculada de 6.3 a 6.2.
Aug 30 21:41: Magnitud recalculada de 6.2 a 6.5.
Fecha & hora: 30 Aug 2020 09:20:30 UTC -
Magnitud: 6.5
Profundidad: 10.0 km
Epicentro latitud / longitud: 0,76°N / 29,9°W (international territory)
Fuente primaria de datos: GFZ
Energía liberada estimada: 3,5 x 1014 joules (98,6 gigawatt hours, equivalent to 84802 tons of TNT or 5,3 atomic bombs!) [aprende más]
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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.
M 6.510 kmCentral Mid Atlantic RidgeGFZ
M 5.81 kmCentral Mid-atlantic RidgeEMSC
M 6.610 kmCentral Mid Atlantic RidgeGeoAu
M 6.510 kmcentral Mid-Atlantic RidgeUSGS
M 6.20.8 kmBrazil [Sea]INGV
M 5.810 kmCentral Mid Atlantic RidgeBMKG

User reports for this quake (20)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Vero Beach Florida (6137.2 km WNW of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 20-30 s : Rattling and shaking lasted 20-30 seconds. At first I thought it was a sound effect of surround sound but turned off tv and it was still going. Went outside and it was still going. Went back inside. It seemed to fade and then gave a final shudder during which the whole building rattled and creaked. | 2 users found this interesting.
Vero Beach Florida (6139.7 km WNW of epicenter) [Map] / Light shaking (MMI IV) / 20-30 s : Light shaking inside, enough so that I went outside and could feel it too. Seemed to fade after 20-30 seconds and then had a 10 second shudder at the end where the building shook. Seemed more external though - nothing fell inside the building. | 2 users found this interesting.
Cabedelo (1040.7 km SSW of epicenter) [Map] / Very weak shaking (MMI II) / single lateral shake / 1-2 s : I was at my computer and felt my table trembling. | 7 users found this interesting.
1565 km WSW of epicenter [Map] / not felt (reported through our app)
João Pessoa (1039.3 km SSW of epicenter) [Map] / not felt
6278.5 km NW of epicenter [Map] / Weak shaking (MMI III)
8547.5 km NNE of epicenter [Map] / not felt
9722.9 km WNW of epicenter [Map] / not felt
Shawboro, NC / Very weak shaking (MMI II) : A friend and I were in a above ground pool. We heard something that we initially thought was the pool vacuum bouncing into the pool steps; then we thought it was something coming from the rain drain pipe at back of house. We kept hearing it on and off for about 15 minutes then it stopped. | 2 users found this interesting.
234t5 / not felt
João Pessoa, Paraíba / not felt
Pacoima / not felt
Raleigh, North Carolina, USA / not felt
João pessoa / Light shaking (MMI IV)
Rialto, ca / not felt
Fortaleza / not felt
Feira de Santana / not felt
Vilas do Atlantico, Bahia / not felt
Carlsbad, CA / Weak shaking (MMI III) / rattling, vibrating / 15-20 s
Western germany / not felt
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Aftershocks of the M 6.5 terremoto: Central Mid Atlantic Ridge Sun, 30 Aug 21h20

More info
Recorded aftershocks, latest first (2 quakes):
  • 14 sep 2020 13:23 UTC
    | M 4.5 |
    10 km (6,2 mi) depth
    31 km (19 mi) distance
    | USGS | Details
  • 31 ago 2020 09:56 UTC
    | M 4.7 |
    10 km (6,2 mi) depth
    12 km (7 mi) distance
    | GFZ | Details

Earlier earthquakes in the same area since 1900

Fuerte terremoto magnitud 6.5 - Central Mid Atlantic Ridge, domingo, 30 ago. 2020

Map of earlier quakes

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