Strong mag. 6.8 earthquake - 38km SE of Blenheim, New Zealand on Friday, 16 August 2013

Forte terremoto magnitudine 6.5 - 29 km a sud da Blenheim, Marlborough District, Nuova Zelanda, venerdì, 16 agosto 2013

Forte terremoto magnitudine 6.5 - 29 km a sud da Blenheim, Marlborough District, Nuova Zelanda, venerdì, 16 agosto 2013

Strong magnitude 6.5 earthquake at 10 km depth

16 Aug 02:38 UTC: Primo a segnalare: USGS dopo 7 minuti.
Data & ora: 16 Aug 2013 02:31:07 UTC
Ora locale a epicentro: Friday, August 16, 2013 14:31:07
Magnitudine: 6.5
Profondità: 10.0 km
Epicentro latitudine / longitudine: 41.7668°S / 174.0609°E (Marlborough District, Marlborough, Nuova Zelanda)
Nearby towns and cities:
11 km S da Seddon (pop: 511) --> Vedi sismi vicini
29 km SSE da Blenheim (pop: 26,600) --> Vedi sismi vicini
80 km SO da Wellington (pop: 381,900) --> Vedi sismi vicini
85 km SE da Nelson (pop: 59,200) --> Vedi sismi vicini
94 km SO da Lower Hutt (Wellington) (pop: 101,200) --> Vedi sismi vicini
96 km SO da Porirua (Wellington) (pop: 50,900) --> Vedi sismi vicini
108 km SO da Upper Hutt (Wellington) (pop: 38,400) --> Vedi sismi vicini
229 km NNE da Christchurch (Canterbury) (pop: 363,900) --> Vedi sismi vicini
444 km SSO da Distretto di Rotorua (Bay of Plenty) (pop: 65,900) --> Vedi sismi vicini
500 km SSO da Opotiki (Bay of Plenty) (pop: 4,040) --> Vedi sismi vicini
Fonte dati primaria: USGS (United States Geological Survey)
Stima dell'energia sismica liberata: 3.5 x 1014 joules (98.6 gigawatt hours, equivalent to 84802 tons of TNT or 5.3 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.
MagnitudineProfonditàUbicazioneFonte
M 6.510 km29km SSE of Blenheim, New ZealandUSGS
M 6.52 km COOK STRAIT, NEW ZEALANDEMSC
M 6.510 kmCook Strait, New ZealandGFZ
M 6.85 kmNear Seddon, South Island, NZGeoAu
M 6.445 kmCook Strait, New ZealandBMKG

shake map
(shakemap: USGS)

User reports for this quake (37)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Nelson / Moderate shaking (MMI V) : We were in social studies class, working on our topic: Natural Disasters. Our teacher had just said \"Natural disaster\" when the room started shaking. My class all got under their desks and we waited it out. The lights were still swinging 10 minutes after the shaking stopped.
Seddon (94 km NE of epicenter) [Map] / Violent shaking (MMI IX)
Blenheim (28.6 km NNW of epicenter) [Map] / Strong shaking (MMI VI) : was in car outside school waiting to collect children. Car was bouncing side to side on the road. Unable to drive.
Waikanae / Strong shaking (MMI VI) : The ground started with a shake and then it went into a roll like effect and unlike other quakes/last month's 6+ quake it seemed to go quiet like it was going to stop but the rolling increased and then shaking that seemed to go on for a long time before a strong shake. The other difference with this quake compared to the 6+ quake last month was the aftershock in this area was not felt till some time later nearly 45mins later. The aftershock last month was felt in a 15 minute timeframe. Perhaps
Cambridge / Light shaking (MMI IV)
Paraparaumu, Wellington, New Zealand / Moderate shaking (MMI V) : It started slowly, and then suddenly rocked the building. Power went out for about 10 seconds.
Blenheim New Zealand / Strong shaking (MMI VI) : Was at work and walking through doorway, was thrown against door and back to door frame. It was a scary shake! Light items moved , pictures fall off walls and vases fell.
Blenheim (30.4 km NNW of epicenter) [Map] / Strong shaking (MMI VI) : Closet doors rattled, windows flexed, closed doors opened and open doors swung, pendant light described huge parabolas, china rattled, things fell over in the cupboards. I dont usually move but this one had me on the floor .. and the dog under the bed
Hamilton (453.9 km NNE of epicenter) [Map] / Light shaking (MMI IV) : 4 storey building swaying for an extended period of time
Waimauku, Auckland / Very weak shaking (MMI II) : I was sitting in my car and the car swayed
Taihape (220.5 km NNE of epicenter) [Map] / Light shaking (MMI IV)
elderslea, upper hutt wellington / Moderate shaking (MMI V)
stokes valley / not felt : heart started racing was scared. i hate earthquakes. car alarms went off and hanging lights swinging
Collingwood (183.3 km NW of epicenter) [Map] / Light shaking (MMI IV)
Palmerston north (223.2 km NE of epicenter) [Map] / Moderate shaking (MMI V)
PAHIATUA State Highway 2. New Zealand / Moderate shaking (MMI V) : Someone asked, is that an earthquake?? Teacher said, \"Everyone under the tables. Drop and HOLD.\" A few people got really anxious and started to yell out but managed to calm down. It lasted for over a minute, gently swaying our classroom (2nd floor) to and fro. We are blessed that it was only a small quake.
Hamilton / Very weak shaking (MMI II) : We work in chartwell mall and all our lights were swinging
wanganui / Moderate shaking (MMI V)
Hastings (349.1 km NE of epicenter) [Map] / Strong shaking (MMI VI)
Taumarunui, New Zealand / Light shaking (MMI IV) : Me and a friend just started cracking up at the people shitting themselfs haha, but it was scary abit lol
Hastings / Moderate shaking (MMI V) : Floor moved up and down as well as sideways. Chandeliers swinging wildly. No damage and nothing fell from shelves
Taumarunui, New Zealand / Light shaking (MMI IV) : Me and a friend just started cracking up at the people shitting themselfs haha, but it was scary abit lol
christchurch / Moderate shaking (MMI V)
Christchurch / Weak shaking (MMI III)
Waitakere, Auckland / Very weak shaking (MMI II)
greymouth / Moderate shaking (MMI V)
Palmerston North / Moderate shaking (MMI V)
Whanganui (220.5 km NNE of epicenter) [Map] / Severe shaking (MMI VIII) : At traffic lights car shaking and traffic lights moving. Most disconcerting.
Whanganui (220.5 km NNE of epicenter) [Map] / Severe shaking (MMI VIII) : At traffic lights car shaking and traffic lights moving. Most disconcerting.
Stronvar, Masterton (155 km ENE of epicenter) [Map] / Light shaking (MMI IV)
Hamilton (456.6 km NNE of epicenter) [Map] / Weak shaking (MMI III)
Hamilton / Very weak shaking (MMI II) : felt my head had just moved, and i felt like i was going to faint. I still feel sick.
Hastings (333 km NE of epicenter) [Map] / Light shaking (MMI IV)
Napier / Light shaking (MMI IV) : rolling sort of feeling, went on for a while
Hawera / Light shaking (MMI IV)
Taihape (New Zealand, 267 km NE of epicenter) : Strong shaking. Scary. (reported through EMSC)
Hanmer Springs (New Zealand, 146 km SW of epicenter) : Seemed to last for quite a few seconds (reported through EMSC)
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Aftershocks of the 6.5 quake 29 km south of Blenheim, Marlborough District, New Zealand, Friday, August 16, 2013 14:31:07

More info
Recorded aftershocks, latest first (1833 quakes):
  • 12 Feb 2014 01:46 UTC
    | M 2.7 |
    115.9 km (72 mi) depth
    |
    98 km (61 mi) distance
    | GEONET (NZ) | Details
  • 12 Feb 2014 01:43 UTC
    | M 2.1 |
    16.1 km (10 mi) depth
    |
    30 km (19 mi) distance
    | GEONET (NZ) | Details
  • 12 Feb 2014 00:25 UTC
    | M 2.2 |
    13.6 km (8.5 mi) depth
    |
    34 km (21 mi) distance
    | GEONET (NZ) | Details
  • 12 Feb 2014 00:00 UTC
    | M 2.2 |
    5.8 km (3.6 mi) depth
    |
    29 km (18 mi) distance
    | GEONET (NZ) | Details
  • 11 Feb 2014 16:47 UTC
    | M 2.1 |
    13.8 km (8.6 mi) depth
    |
    29 km (18 mi) distance
    | GEONET (NZ) | Details
  • 11 Feb 2014 12:41 UTC
    | M 2.3 |
    13.8 km (8.6 mi) depth
    |
    21 km (13 mi) distance
    | GEONET (NZ) | Details
  • 11 Feb 2014 10:53 UTC
    | M 2.2 |
    11 km (6.8 mi) depth
    |
    5 km (3 mi) distance
    | GEONET (NZ) | Details
  • 11 Feb 2014 10:18 UTC
    | M 2.7 |
    11 km (6.8 mi) depth
    |
    16 km (10 mi) distance
    | GEONET (NZ) | Details
  • 11 Feb 2014 10:18 UTC
    | M 2.5 |
    6.9 km (4.3 mi) depth
    |
    18 km (11 mi) distance
    | GEONET (NZ) | Details
  • 10 Feb 2014 19:14 UTC
    | M 2.0 |
    11 km (6.8 mi) depth
    |
    5 km (3 mi) distance
    | GEONET (NZ) | Details
  • 10 Feb 2014 13:38 UTC
    | M 2.3 |
    16.8 km (10.4 mi) depth
    |
    19 km (12 mi) distance
    | GEONET (NZ) | Details
  • 10 Feb 2014 03:56 UTC
    | M 2.2 |
    21.1 km (13.1 mi) depth
    |
    14 km (9 mi) distance
    | GEONET (NZ) | Details
  • 10 Feb 2014 03:31 UTC
    | M 2.2 |
    14.3 km (8.9 mi) depth
    |
    42 km (26 mi) distance
    | GEONET (NZ) | Details
  • 09 Feb 2014 19:03 UTC
    | M 2.4 |
    15 km (9.3 mi) depth
    |
    21 km (13 mi) distance
    | GEONET (NZ) | Details
  • 09 Feb 2014 19:03 UTC
    | M 2.4 |
    15.1 km (9.4 mi) depth
    |
    21 km (13 mi) distance
    | GEONET (NZ) | Details
  • 09 Feb 2014 06:42 UTC
    | M 2.3 |
    84.5 km (52.5 mi) depth
    |
    88 km (55 mi) distance
    | GEONET (NZ) | Details
    • Show all

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Earlier earthquakes in the same area

Strong mag. 6.5 earthquake - 29 km south of Blenheim, Marlborough District, New Zealand, on Friday, August 16, 2013 14:31:07
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