Strong mag. 6.4 earthquake - 41 Km NE of Pangai, Tonga on Thursday, 1 October 2020 - information

Fuerte terremoto magnitud 6.4 - 42 km NE of Pangai, Ha\'apai, Tonga, jueves, 01 oct. 2020

- Fuerte terremoto magnitud 6.4 - 42 km NE of Pangai, Ha\'apai, Tonga, jueves, 01 oct. 2020

Strong magnitude 6.4 earthquake at 28 km depth

1 Oct 01:21 UTC: Primero en informar: USGS después de 8 minutos.
1 Oct 01:24: Ubicación del epicentro corregida 5 km (3.1 mi) al NE.
... [show all] ...
2 Oct 02:20: Profundidad recalculada de 35.0 a 28.0 km (de 22 a 17.4 mi). Ubicación del epicentro corregida 15.6 km (9.7 mi) al ESE.
Fecha & hora: 1 Oct 2020 01:13:36 UTC -
Magnitud: 6.4
Profundidad: 28.0 km
Epicentro latitud / longitud: 19,5355°S / 174,0834°W (Tonga)
Volcán mas cercano: Late (113 km / 70 mi)
Nearby towns and cities:
42 km al NE de Pangai (pop: 1,740)
99 km al S de Neiafu (pop: 4,320)
205 km al NNE de Kolonga (pop: 1,100)
213 km al NNE de Nuku'alofa (pop: 22,400)
219 km al NNE de ‘Ohonua (Ohonua) (pop: 1,240)
399 km al S de Hihifo (pop: 815)
680 km al SSW de Tāfuna (Tualauta, Samoa Americana) (pop: 11,000)
681 km al SSW de Apia (Samoa) (pop: 40,400)
Weather at epicenter at time of quake:
Broken Clouds 28°C (82 F), humidity: 83%, wind: 4 m/s (7 kts) from N
Fuente primaria de datos: USGS
Energía liberada estimada: 2,5 x 1014 joules (69,8 gigawatt hours, equivalent to 60036 tons of TNT or 3,8 atomic bombs!) More info
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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.
MagnitudProfundidadUbicaciónFuente
M 6.428 km41 Km NE of Pangai, TongaUSGS
M 6.549 km39 Km N of Pangai, TongaGFZ
M 6.510 km6.4 TongaEMSC
M 6.642 km32 Km NNE of Pangai, TongaGeoAu
M 6.520 kmTonga Islands [Sea: Tonga]INGV
M 6.5109 km39 Km N of Pangai, TongaBMKG

User reports for this quake (13)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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104.3 km N of epicenter [Map] / Strong shaking (MMI VI) / rattling, vibrating / 15-20 s : Definitely strong shaking but no damage found so far. I wondered if my 3 storey house was going to survive. And could hear the water sloshing in the solar storage on the roof. Felt all at sea. | 4 users found this interesting.
Brawley ca (21 km WNW of epicenter) [Map] / Very strong shaking (MMI VII) / horizontal (sideways) swinging / 20-30 s : Since 5pm thru 730 every 5 to 10 minutes shaking then at 745 & 845 2.7 hits | 2 users found this interesting.
213.1 km SSW of epicenter [Map] / Moderate shaking (MMI V) (reported through our app)
Nukualofa (213.5 km SSW of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 10-15 s
Neiafu town center / Moderate shaking (MMI V) / both vertical and horizontal swinging / 15-20 s : It was more of a light maybe a little more but not quiet as strong as moderate shacking, Our shop all items hanging were shaking, and the cans and tubes or marine sealants,cleaners,aersoals fell over and onto the floor, the car parked outside was shaking too, Felt by most inside, but it seems like people out and about didn't really feel it. Our hanging items were swinging for a good 3 -5 minutes after the shake. It made a fair bit of rumbling noise. | 6 users found this interesting.
Alofi Niue / Weak shaking (MMI III) / 10-15 s : Very short but noticeable. My chair was trembling for about 10 to 15 seconds. | 3 users found this interesting.
Paliati, alofi north,niue / Weak shaking (MMI III) / 2-5 s : Heard noises from the roof. Plastic desk is shaking a little bit | 2 users found this interesting.
Mu'a, Tonga / Light shaking (MMI IV) / horizontal (sideways) swinging / 1-2 s
Fua'amotu at Kupesi Hotel / not felt : I didn't feel anything
Palmerston North / not felt
Burnaby bc Canada / not felt
Island of Vava'u, Tonga / Strong shaking (MMI VI) / rattling, vibrating / 20-30 s
Haveluloto (Tonga, 215 km SW of epicenter) : Around 20 sec. no significant local damage. (reported through EMSC)
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Aftershocks of the M 6.4 terremoto: 42 km northeast de Pangai, Ha'apai, Tonga Thu, 1 Oct 01h13

More info
Recorded aftershocks, latest first (6 quakes):
  • 20 oct 2020 18:57 UTC
    | M 5.0 |
    35 km (21,7 mi) depth
    |
    11 km (7 mi) distance
    | USGS | Details
  • 17 oct 2020 05:19 UTC
    | M 4.9 |
    10 km (6,2 mi) depth
    |
    91 km (56 mi) distance
    | USGS | Details
  • 09 oct 2020 17:01 UTC
    | M 4.8 |
    10 km (6,2 mi) depth
    |
    49 km (30 mi) distance
    | USGS | Details
  • 05 oct 2020 01:10 UTC
    | M 4.9 |
    10 km (6,2 mi) depth
    |
    11 km (7 mi) distance
    | USGS | Details
  • 04 oct 2020 23:20 UTC
    | M 5.2 |
    10 km (6,2 mi) depth
    |
    81 km (51 mi) distance
    | GFZ | Details
  • 02 oct 2020 17:12 UTC
    | M 4.9 |
    10 km (6,2 mi) depth
    |
    20 km (12 mi) distance
    | USGS | Details

Earlier earthquakes in the same area since 1900

Fuerte terremoto magnitud 6.4 - 42 km NE of Pangai, Ha'apai, Tonga, jueves, 01 oct. 2020
    Hint: Click on Date/Time to show latest first
  • Date / time UTC
    | Mag |
    Profundidad
    |
    Age
    |
    Distancia
    | Details
  • 19 ago 2018 00:19
    | 8.1 |
    566km / 352mi
    |
    hace 2 años
    |
    473km / 294mi
    | Fiji Islands Region
  • 29 sep 2009 17:48
    | 8.1 |
    18km / 11,2mi
    |
    hace 11 años
    |
    497km / 309mi
    | Samoa Islands Region
  • 30 abr 1919 07:17
    | 8.1 |
    25km / 16mi
    |
    hace 102 años
    |
    211km / 131mi
    | Tonga Region
  • 03 may 2006 15:26
    | 8.0 |
    55km / 34mi
    |
    hace 15 años
    |
    73km / 45mi
    | Tonga
  • 26 jun 1917 05:49
    | 8.0 |
    15km / 9,3mi
    |
    hace 104 años
    |
    536km / 333mi
    | Samoa Islands Region
  • 06 sep 2018 15:49
    | 7.8 |
    640km / 398mi
    |
    hace 2 años
    |
    710km / 441mi
    | Fiji Islands
  • 09 dic 2007 07:28
    | 7.8 |
    153km / 95mi
    |
    hace 13 años
    |
    800km / 497mi
    | South of the Fiji Islands (New Zealand)
  • 14 oct 1997 09:53
    | 7.8 |
    167km / 104mi
    |
    hace 23 años
    |
    399km / 248mi
    | South of the Fiji Islands (Tonga)
  • 26 dic 1975 15:56
    | 7.8 |
    33km / 21mi
    |
    hace 45 años
    |
    402km / 250mi
    | Samoa Islands Region
  • 11 oct 1975 14:35
    | 7.8 |
    9km / 5,6mi
    |
    hace 45 años
    |
    605km / 376mi
    | South of Tonga
  • Show all

Map of earlier quakes

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